:root {
  --brand-navy: #102A56;
  --brand-navy-strong: #071B3A;
  --brand-blue: #2459A6;
  --brand-blue-dark: #183F7A;
  --brand-blue-soft: #DDEBFF;
  --brand-gold: #D99A21;
  --brand-blue-wash: #F6FAFF;
  --brand-ink-soft: #E6EDF8;
  --surface-primary: #F3F6FC;
  --surface-secondary: #FFFFFF;
  --surface-elevated: #FFFFFF;
  --surface-subtle: #EAF0FA;
  --text-primary: #172433;
  --text-secondary: #4C6070;
  --text-tertiary: #738292;
  --border-default: #CBD8EA;
  --border-subtle: #DEE7F4;
  --accent-primary: var(--brand-blue);
  --accent-hover: var(--brand-blue-dark);
  --status-present: #DDF7E6;
  --status-present-text: #137A3A;
  --status-absent: #FDE2E2;
  --status-absent-text: #B42318;
  --status-late: #FFF3C4;
  --status-late-text: #8A5A00;
  --status-outing: #DDEBFF;
  --status-outing-text: #1D5EA8;
  --status-inactive: #E4E7EC;
  --status-inactive-text: #667085;
  --status-upcoming: #EFE7FF;
  --status-upcoming-text: #6941C6;
  --status-empty: #FFFFFF;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100dvh;
  background: var(--surface-primary);
  color: var(--text-primary);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled,
input:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent-primary) 35%, transparent);
  outline-offset: 2px;
}


.login-screen {
  display: grid;
  min-height: 100dvh;
  place-items: center;
  padding: var(--space-5);
}

.login-card {
  width: min(100%, 420px);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-secondary);
  padding: var(--space-6);
  box-shadow: 0 1px 2px rgba(27, 36, 48, 0.04);
}

.login-heading {
  display: grid;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
}

.login-heading h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.login-heading p:last-child {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.45;
}

.login-form {
  display: grid;
  gap: var(--space-4);
}

.login-form .primary-button {
  width: 100%;
}

.login-error {
  margin: 0;
  border: 1px solid var(--status-absent-text);
  border-radius: 8px;
  background: var(--status-absent);
  color: var(--status-absent-text);
  padding: var(--space-2) var(--space-3);
  font-size: 13px;
  font-weight: 700;
}

.login-error[hidden] {
  display: none;
}

.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  max-width: 1440px;
  margin: 0 auto var(--space-5);
  padding: var(--space-6) var(--space-5);
  border-bottom: 4px solid var(--brand-gold);
  background: var(--brand-navy);
  color: #FFFFFF;
}

.app-header h1 {
  margin: var(--space-1) 0;
  color: #FFFFFF;
  font-size: 30px;
  line-height: 1.2;
}

.eyebrow,
.today,
.muted,
.help-text,
.panel-heading p,
.map-heading p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.45;
}

.eyebrow {
  color: var(--accent-primary);
  font-weight: 800;
}

.app-header .eyebrow {
  color: var(--brand-gold);
}

.app-header .today {
  color: color-mix(in srgb, #FFFFFF 82%, var(--brand-blue-soft));
  font-weight: 700;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: var(--space-5);
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--space-5) var(--space-8);
}

.workspace,
.side-panel,
.manager-section,
.seat-map-card,
.summary-card,
.detail-card {
  border: 1px solid var(--border-subtle);
  background: var(--surface-secondary);
  box-shadow: 0 1px 2px rgba(13, 35, 56, 0.04);
}

.workspace {
  min-width: 0;
  border-top: 3px solid var(--brand-blue);
  background: color-mix(in srgb, var(--surface-secondary) 92%, var(--brand-blue-soft));
  padding: var(--space-5);
}

.seat-map-card {
  border-top: 3px solid var(--brand-navy);
  background: color-mix(in srgb, var(--surface-secondary) 88%, var(--brand-blue-wash));
}

.manager-section,
.side-panel {
  border-top: 3px solid color-mix(in srgb, var(--brand-blue) 72%, var(--brand-gold));
}

.floor-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.tab-button,
.primary-button,
.ghost-button,
.danger-button,
.icon-button,
.action-grid button {
  min-height: 40px;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--surface-secondary);
  color: var(--text-primary);
  font-weight: 700;
  transition: transform 120ms ease-out, background 120ms ease-out, border-color 120ms ease-out;
}

.tab-button {
  min-width: 92px;
  padding: 0 var(--space-4);
}

.tab-button.is-active,
.primary-button {
  border-color: var(--accent-primary);
  background: var(--accent-primary);
  color: #FFFFFF;
}

.primary-button:hover,
.tab-button.is-active:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.ghost-button {
  padding: 0 var(--space-4);
}

.danger-button {
  padding: 0 var(--space-4);
  border-color: var(--status-absent-text);
  color: var(--status-absent-text);
}

.icon-button {
  width: 40px;
  padding: 0;
  font-size: 24px;
  line-height: 1;
}

.tab-button:hover,
.primary-button:hover,
.ghost-button:hover,
.danger-button:hover,
.icon-button:hover,
.action-grid button:hover,
.seat-button:hover {
  transform: translateY(-1px);
}

.tab-button:active,
.primary-button:active,
.ghost-button:active,
.danger-button:active,
.icon-button:active,
.action-grid button:active,
.seat-button:active {
  transform: translateY(1px);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.summary-card {
  position: relative;
  min-height: 92px;
  overflow: hidden;
  border-color: color-mix(in srgb, var(--brand-navy) 12%, var(--border-subtle));
  padding: var(--space-4);
  box-shadow: 0 1px 2px rgba(13, 35, 56, 0.05);
}

.summary-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--brand-blue);
}

.summary-card span {
  display: block;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
}

.summary-card strong {
  display: block;
  margin-top: var(--space-3);
  font-size: 24px;
  line-height: 1.1;
}

.summary-card.tone-present {
  border-color: color-mix(in srgb, var(--status-present-text) 30%, var(--border-subtle));
  background: var(--status-present);
  color: var(--status-present-text);
}

.summary-card.tone-present::before {
  background: var(--status-present-text);
}

.summary-card.tone-absent {
  border-color: color-mix(in srgb, var(--status-absent-text) 28%, var(--border-subtle));
  background: var(--status-absent);
  color: var(--status-absent-text);
}

.summary-card.tone-absent::before {
  background: var(--status-absent-text);
}

.summary-card.tone-outing {
  border-color: color-mix(in srgb, var(--status-outing-text) 28%, var(--border-subtle));
  background: var(--status-outing);
  color: var(--status-outing-text);
}

.summary-card.tone-outing::before {
  background: var(--status-outing-text);
}

.summary-card.tone-upcoming {
  border-color: color-mix(in srgb, var(--status-upcoming-text) 28%, var(--border-subtle));
  background: var(--status-upcoming);
  color: var(--status-upcoming-text);
}

.summary-card.tone-upcoming::before {
  background: var(--status-upcoming-text);
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 220px 220px;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field span {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--surface-secondary);
  color: var(--text-primary);
  padding: var(--space-2) var(--space-3);
}

.field textarea {
  resize: vertical;
}

.schedule-mode-field small {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  align-items: center;
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.legend-chip {
  width: 14px;
  height: 14px;
  border: 1px solid var(--border-default);
  border-radius: 4px;
}

.seat-map-card {
  padding: var(--space-4);
}

.map-heading,
.panel-heading,
.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.map-heading h2,
.panel-heading h2,
.modal-header h2,
.detail-card h3 {
  margin: 0;
}

.map-heading {
  margin-bottom: var(--space-4);
}

.seat-map-scroll {
  overflow: auto;
  padding-bottom: var(--space-2);
}

.seat-map {
  display: grid;
  grid-template-columns: repeat(var(--seat-cols), minmax(76px, 1fr));
  grid-template-rows: repeat(var(--seat-rows), 98px);
  gap: var(--space-2);
  min-width: calc(var(--seat-cols) * 92px);
}

.seat-map.floor-4f {
  grid-template-columns: repeat(var(--seat-cols), minmax(52px, 1fr));
  grid-template-rows: repeat(var(--seat-rows), 82px);
  gap: 5px;
  min-width: 736px;
}

.seat-map.floor-4f .seat-button {
  min-height: 82px;
  padding: 5px;
}

.seat-map.floor-4f .seat-name,
.seat-map.floor-4f .seat-meta,
.seat-map.floor-4f .seat-status,
.seat-map.floor-4f .seat-label {
  font-size: 12px;
}
.seat-map.floor-2g {
  grid-template-columns: repeat(var(--seat-cols), minmax(58px, 1fr));
  grid-template-rows: repeat(var(--seat-rows), 82px);
  gap: 6px;
  min-width: 1320px;
}

.seat-map.floor-2g .seat-button {
  min-height: 82px;
  padding: 6px;
}

.seat-map.floor-2g .seat-name,
.seat-map.floor-2g .seat-meta,
.seat-map.floor-2g .seat-status,
.seat-map.floor-2g .seat-label {
  font-size: 12px;
}

.seat-button {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: var(--space-1);
  width: 100%;
  min-height: 98px;
  border: 1px solid color-mix(in srgb, var(--brand-navy) 16%, var(--border-default));
  border-radius: 8px;
  background: var(--surface-secondary);
  padding: var(--space-2);
  color: var(--text-primary);
  text-align: left;
  box-shadow: 0 1px 2px rgba(13, 35, 56, 0.04);
  transition: transform 120ms ease-out, box-shadow 120ms ease-out, opacity 120ms ease-out, border-color 120ms ease-out;
}

.seat-button.is-filtered {
  opacity: 0.18;
}

.seat-label {
  color: var(--text-tertiary);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  font-weight: 800;
}

.seat-student {
  align-self: center;
  display: grid;
  min-width: 0;
  gap: 2px;
}

.seat-name {
  overflow: hidden;
  color: inherit;
  font-size: 14px;
  line-height: 1.2;
  text-overflow: ellipsis;
  word-break: keep-all;
  white-space: nowrap;
}

.seat-meta {
  overflow: hidden;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.seat-status {
  overflow: hidden;
  color: inherit;
  font-size: 12px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}



.seat-button {
  position: relative;
}

.seat-corner-badge {
  position: absolute;
  top: 5px;
  right: 5px;
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 22px;
  border: 1px solid currentColor;
  border-radius: 6px;
  background: var(--surface-elevated);
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
}

.seat-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-1);
  min-width: 0;
}

.seat-schedule-chip {
  flex: 0 0 auto;
  border-radius: 6px;
  padding: 2px 6px;
  border: 1px solid var(--border-default);
  background: var(--surface-subtle);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 900;
  line-height: 1.2;
  box-shadow: 0 1px 2px rgba(27, 36, 48, 0.06);
}

.schedule-chip-expected {
  border-color: color-mix(in srgb, var(--status-late-text) 38%, var(--border-default));
  background: var(--status-late);
  color: var(--status-late-text);
}

.schedule-chip-allowed {
  border-color: color-mix(in srgb, var(--status-outing-text) 35%, var(--border-default));
  background: var(--status-outing);
  color: var(--status-outing-text);
}

.schedule-chip-free {
  border-color: color-mix(in srgb, var(--accent-primary) 28%, var(--border-default));
  background: color-mix(in srgb, var(--status-outing) 68%, var(--surface-secondary));
  color: var(--accent-primary);
}

.schedule-chip-upcoming {
  border-color: color-mix(in srgb, var(--status-upcoming-text) 42%, var(--border-default));
  background: var(--status-upcoming);
  color: var(--status-upcoming-text);
}

.schedule-chip-closed {
  border-color: var(--border-default);
  background: var(--status-inactive);
  color: var(--status-inactive-text);
}


.student-row.is-clickable {
  cursor: pointer;
}

.student-row.is-clickable:hover {
  border-color: var(--accent-primary);
  background: color-mix(in srgb, var(--accent-primary) 7%, var(--surface-secondary));
}

.student-row.is-clickable:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent-primary) 35%, transparent);
  outline-offset: 2px;
}

.status-empty {
  border-style: dashed;
  background: var(--status-empty);
  color: var(--text-secondary);
}

.status-none {
  background: color-mix(in srgb, var(--surface-subtle) 72%, var(--brand-blue-soft));
  color: var(--text-primary);
}

.status-present,
.status-returned {
  border-color: color-mix(in srgb, var(--status-present-text) 36%, var(--border-default));
  background: var(--status-present);
  color: var(--status-present-text);
}

.status-absent {
  border-color: color-mix(in srgb, var(--status-absent-text) 34%, var(--border-default));
  background: var(--status-absent);
  color: var(--status-absent-text);
}

.status-late {
  border-color: color-mix(in srgb, var(--status-late-text) 34%, var(--border-default));
  background: var(--status-late);
  color: var(--status-late-text);
}

.status-outing {
  border-color: color-mix(in srgb, var(--status-outing-text) 34%, var(--border-default));
  background: var(--status-outing);
  color: var(--status-outing-text);
}

.status-inactive {
  border-color: color-mix(in srgb, var(--status-inactive-text) 24%, var(--border-default));
  background: var(--status-inactive);
  color: var(--status-inactive-text);
}

.status-upcoming {
  border-color: color-mix(in srgb, var(--status-upcoming-text) 34%, var(--border-default));
  background: var(--status-upcoming);
  color: var(--status-upcoming-text);
}

.seat-button.is-upcoming {
  border-color: color-mix(in srgb, var(--status-upcoming-text) 44%, var(--border-default));
}

.upcoming-badge,
.upcoming-help {
  display: inline-grid;
  width: fit-content;
  border: 1px solid color-mix(in srgb, var(--status-upcoming-text) 36%, var(--border-default));
  border-radius: 8px;
  background: var(--status-upcoming);
  color: var(--status-upcoming-text);
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.35;
}

.upcoming-help {
  display: block;
  width: auto;
  margin: 0;
  padding: var(--space-2) var(--space-3);
}

.upcoming-notice {
  display: grid;
  gap: var(--space-1);
  border: 1px solid color-mix(in srgb, var(--status-upcoming-text) 36%, var(--border-default));
  border-radius: 8px;
  background: var(--status-upcoming);
  color: var(--status-upcoming-text);
  padding: var(--space-3);
}

.upcoming-notice strong,
.upcoming-notice span {
  display: block;
}

.upcoming-notice span {
  font-size: 13px;
  font-weight: 700;
}

.side-panel {
  display: grid;
  gap: var(--space-4);
  align-content: start;
  padding: var(--space-4);
}

.manager-section {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
}

.student-form {
  display: grid;
  gap: var(--space-3);
}

.student-form.compact {
  gap: var(--space-3);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.student-list {
  display: grid;
  gap: var(--space-2);
  max-height: 360px;
  overflow: auto;
}

.student-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: var(--space-3);
}

.student-row strong,
.student-row span {
  display: block;
}

.student-row span,
.student-row small {
  color: var(--text-secondary);
  font-size: 12px;
}

.student-row.is-inactive {
  background: var(--status-inactive);
}

.student-row.is-upcoming {
  border-color: color-mix(in srgb, var(--status-upcoming-text) 32%, var(--border-subtle));
  background: color-mix(in srgb, var(--status-upcoming) 58%, var(--surface-secondary));
}

.import-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin: 0;
}

.import-summary div {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: var(--space-3);
}

.import-summary dt {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
}

.import-summary dd {
  margin: var(--space-1) 0 0;
  font-weight: 800;
  word-break: break-all;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.seat-move-box {
  display: grid;
  gap: var(--space-3);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-subtle);
  padding: var(--space-3);
}

.seat-move-box .primary-button {
  width: 100%;
}


.seat-picker {
  display: grid;
  gap: var(--space-2);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-subtle);
  padding: var(--space-3);
}

.seat-picker-grid {
  display: grid;
  grid-template-columns: minmax(96px, 0.8fr) minmax(96px, 0.8fr) minmax(128px, 1.2fr);
  gap: var(--space-2);
  align-items: end;
}

.seat-picker-help {
  margin: 0;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.45;
}
.button-row button,
.student-form .primary-button {
  padding: 0 var(--space-4);
}

.empty-state {
  border: 1px dashed var(--border-default);
  background: var(--surface-secondary);
  padding: var(--space-8);
  text-align: center;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  background: rgba(27, 36, 48, 0.42);
  padding: var(--space-4);
}

.modal {
  width: min(1040px, 100%);
  max-height: min(860px, calc(100dvh - 32px));
  overflow: auto;
  border-radius: 8px;
  background: var(--surface-elevated);
  box-shadow: 0 24px 80px rgba(27, 36, 48, 0.22);
}

.modal-header {
  position: sticky;
  top: 0;
  z-index: 1;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface-elevated);
  padding: var(--space-5);
}

.modal-body {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: var(--space-4);
  padding: var(--space-5);
}

.detail-card {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
}

.current-status {
  display: grid;
  gap: var(--space-1);
  border-radius: 8px;
  padding: var(--space-3);
}

.current-status span {
  font-size: 13px;
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.toast-region {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 30;
}

.toast {
  max-width: 420px;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--surface-elevated);
  box-shadow: 0 24px 80px rgba(27, 36, 48, 0.22);
  padding: var(--space-3) var(--space-4);
  font-weight: 700;
}

.toast.tone-error {
  border-color: var(--status-absent-text);
  color: var(--status-absent-text);
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .side-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .summary-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
   .seat-picker-grid {
    grid-template-columns: 1fr;
  }
 .app-header {
    display: grid;
  }

  .app-shell,
  .app-header {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }

  .workspace {
    padding: var(--space-3);
  }

  .side-panel {
    grid-template-columns: 1fr;
  }

  .summary-grid,
  .toolbar,
  .modal-body {
    grid-template-columns: 1fr;
  }

  .seat-map {
    grid-template-columns: repeat(var(--seat-cols), 88px);
  }

  .modal-backdrop {
    align-items: stretch;
    padding: var(--space-2);
  }

  .modal {
    max-height: calc(100dvh - 16px);
  }
}

@media (max-width: 480px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-grid,
  .action-grid {
    grid-template-columns: 1fr;
  }

  .floor-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}


.schedule-box {
  display: grid;
  gap: var(--space-2);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-subtle);
  padding: var(--space-3);
}

.schedule-box strong {
  font-size: 13px;
}

.schedule-box pre {
  margin: 0;
  overflow: auto;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.45;
  white-space: pre-wrap;
}


.schedule-status {
  display: grid;
  gap: var(--space-3);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: var(--space-3);
}

.schedule-status-main {
  display: grid;
  gap: var(--space-1);
}

.schedule-label {
  width: fit-content;
  border-radius: 6px;
  padding: var(--space-1) var(--space-2);
  font-size: 12px;
  font-weight: 800;
}

.schedule-status-main strong {
  font-size: 14px;
  line-height: 1.45;
}

.schedule-status.schedule-expected {
  background: var(--status-late);
  color: var(--status-late-text);
}

.schedule-status.schedule-allowed,
.schedule-status.schedule-free {
  background: var(--status-present);
  color: var(--status-present-text);
}

.schedule-status.schedule-closed {
  background: var(--status-inactive);
  color: var(--status-inactive-text);
}

.schedule-label {
  background: color-mix(in srgb, currentColor 12%, var(--surface-secondary));
}

.schedule-facts {
  display: grid;
  gap: var(--space-2);
}

.schedule-facts p {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: var(--space-2);
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
}

.schedule-facts span {
  color: inherit;
  overflow-wrap: anywhere;
}

.schedule-today summary {
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
}

.schedule-today ul {
  display: grid;
  gap: var(--space-1);
  margin: var(--space-2) 0 0;
  padding-left: var(--space-4);
  font-size: 12px;
  line-height: 1.45;
}


.report-section {
  align-content: start;
}

.section-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: var(--space-3);
}

.section-heading h2 {
  margin: 0;
  font-size: 18px;
}

.section-heading span {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.report-textarea {
  min-height: 360px;
  font-family: var(--font-mono, "SFMono-Regular", Consolas, "Liberation Mono", monospace);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre;
}

.report-mini-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0;
}

.report-mini-summary div {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: var(--space-2);
  background: var(--surface-subtle);
}

.report-mini-summary dt {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
}

.report-mini-summary dd {
  margin: var(--space-1) 0 0;
  font-size: 18px;
  font-weight: 800;
}

@media (max-width: 480px) {
  .report-mini-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}


.student-note-schedule-box {
  display: grid;
  gap: var(--space-3);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--surface-subtle);
  padding: var(--space-3);
}

.weekly-schedule-editor {
  display: grid;
  gap: var(--space-3);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: var(--space-3);
  background: var(--surface-secondary);
}

.schedule-hidden-textarea[hidden] {
  display: none;
}

.weekly-schedule-heading {
  display: grid;
  gap: var(--space-1);
}

.weekly-schedule-heading strong {
  font-size: 15px;
  line-height: 1.4;
}

.weekly-schedule-heading span,
.schedule-step-label,
.schedule-entry-heading span,
.schedule-empty-state span,
.schedule-entry-item span {
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.45;
}

.schedule-builder {
  display: grid;
  gap: var(--space-3);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--surface-secondary);
  padding: var(--space-3);
}

.schedule-builder-step {
  display: grid;
  gap: var(--space-2);
}

.schedule-step-label {
  font-weight: 800;
}

.schedule-day-picker,
.schedule-type-picker {
  display: grid;
  gap: var(--space-2);
}

.schedule-day-picker {
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.schedule-type-picker {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.schedule-day-choice,
.schedule-type-choice {
  min-width: 0;
}

.schedule-day-choice input,
.schedule-type-choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.schedule-day-choice span,
.schedule-type-choice span {
  display: grid;
  min-height: 40px;
  place-items: center;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--surface-secondary);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  transition: background 120ms ease-out, border-color 120ms ease-out, color 120ms ease-out;
}

.schedule-day-choice input:checked + span,
.schedule-type-choice input:checked + span {
  border-color: var(--accent-primary);
  background: var(--accent-primary);
  color: #FFFFFF;
}

.schedule-day-choice input:focus-visible + span,
.schedule-type-choice input:focus-visible + span {
  outline: 3px solid color-mix(in srgb, var(--accent-primary) 35%, transparent);
  outline-offset: 2px;
}

.schedule-time-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(132px, 1fr));
  gap: var(--space-2);
  align-items: end;
}

.schedule-time-row .field {
  min-width: 0;
}

.schedule-time-row input {
  min-width: 0;
}

.schedule-reason-field {
  grid-column: 1 / -1;
}

.schedule-add-button {
  width: 100%;
}

.schedule-entry-panel {
  display: grid;
  gap: var(--space-2);
}

.schedule-entry-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.schedule-entry-heading strong {
  font-size: 14px;
}

.schedule-entry-list {
  display: grid;
  gap: var(--space-2);
}

.schedule-entry-item,
.schedule-empty-state {
  display: grid;
  gap: var(--space-1);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-secondary);
  padding: var(--space-2);
}

.schedule-entry-item {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.schedule-entry-item strong,
.schedule-empty-state strong {
  display: block;
  font-size: 13px;
  line-height: 1.4;
}

.schedule-remove-button {
  min-height: 36px;
  padding: 0 var(--space-3);
}

.compact-field {
  gap: var(--space-1);
}

.compact-field span {
  font-size: 12px;
}

@media (max-width: 768px) {
  .schedule-day-picker {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .schedule-type-picker {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .schedule-time-row {
    grid-template-columns: repeat(2, minmax(132px, 1fr));
  }
}

@media (max-width: 480px) {
  .schedule-day-picker,
  .schedule-type-picker {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .schedule-time-row {
    grid-template-columns: 1fr;
  }

  .schedule-entry-item {
    grid-template-columns: 1fr;
  }

  .schedule-remove-button {
    width: 100%;
  }
}

.view-switch {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.roster-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 0 var(--space-5) var(--space-8);
}

.roster-page {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-secondary);
  padding: var(--space-5);
}

.roster-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
  gap: var(--space-5);
  align-items: start;
}

.roster-header h2 {
  margin: var(--space-1) 0 var(--space-2);
  font-size: 24px;
  line-height: 1.25;
}

.roster-header p {
  max-width: 720px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.55;
}

.roster-counts {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0;
}

.roster-counts div {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-subtle);
  padding: var(--space-3);
}

.roster-counts dt {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 800;
}

.roster-counts dd {
  margin: var(--space-1) 0 0;
  font-size: 22px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

.roster-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: end;
  margin: var(--space-5) 0;
}

.roster-grade-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: flex-end;
}

.roster-grade-tabs .tab-button {
  min-width: 78px;
}

.roster-grade-tabs .tab-button span {
  margin-left: var(--space-1);
  font-size: 12px;
  font-weight: 800;
  opacity: 0.85;
}

.roster-table-wrap {
  overflow: auto;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
}

.roster-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
}

.roster-table th,
.roster-table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
  vertical-align: middle;
  font-size: 14px;
}

.roster-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface-subtle);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 900;
}

.roster-table tbody tr:last-child td {
  border-bottom: 0;
}

.roster-row.is-clickable {
  cursor: pointer;
}

.roster-row.is-clickable:hover td {
  background: color-mix(in srgb, var(--accent-primary) 5%, var(--surface-secondary));
}

.roster-row.is-upcoming td {
  background: color-mix(in srgb, var(--status-upcoming) 50%, var(--surface-secondary));
}

.roster-seat-pill {
  display: inline-grid;
  min-height: 28px;
  align-items: center;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-subtle);
  padding: 0 var(--space-2);
  font-weight: 800;
  white-space: nowrap;
}

.roster-open-button {
  min-height: 36px;
  padding: 0 var(--space-3);
  white-space: nowrap;
}

.roster-empty {
  padding: var(--space-8) !important;
  color: var(--text-secondary);
  text-align: center !important;
}

@media (max-width: 900px) {
  .header-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .roster-header,
  .roster-controls {
    grid-template-columns: 1fr;
  }

  .roster-grade-tabs {
    justify-content: flex-start;
  }

  .roster-counts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .roster-shell {
    padding: 0 var(--space-3) var(--space-6);
  }

  .roster-page {
    padding: var(--space-3);
  }

  .roster-counts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .roster-table {
    min-width: 0;
  }

  .roster-table thead {
    display: none;
  }

  .roster-table,
  .roster-table tbody,
  .roster-table tr,
  .roster-table td {
    display: block;
    width: 100%;
  }

  .roster-table tr {
    border-bottom: 1px solid var(--border-subtle);
    padding: var(--space-2);
  }

  .roster-table tr:last-child {
    border-bottom: 0;
  }

  .roster-table td {
    display: grid;
    grid-template-columns: 104px minmax(0, 1fr);
    gap: var(--space-2);
    border: 0;
    padding: var(--space-2);
  }

  .roster-table td::before {
    content: attr(data-label);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 900;
  }

  .roster-open-button {
    width: 100%;
  }
}
.app-shell-seat-only {
  grid-template-columns: minmax(0, 1fr);
  width: min(1500px, calc(100% - 64px));
  max-width: none;
}

.workspace-seat-focus {
  width: 100%;
}

.roster-shell {
  width: min(1500px, calc(100% - 64px));
  max-width: none;
}

.roster-controls {
  grid-template-columns: minmax(280px, 1.4fr) minmax(160px, 0.7fr) minmax(150px, 0.6fr) minmax(140px, 0.6fr);
}

.roster-grade-tabs {
  margin-bottom: var(--space-4);
  justify-content: flex-start;
}

.roster-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: var(--space-5);
  align-items: start;
}

.roster-main-panel {
  min-width: 0;
}

.roster-admin-panel {
  display: grid;
  gap: var(--space-4);
}

@media (max-width: 1220px) {
  .roster-layout {
    grid-template-columns: 1fr;
  }

  .roster-admin-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .app-shell-seat-only,
  .roster-shell {
    width: auto;
  }

  .roster-controls {
    grid-template-columns: 1fr;
  }

  .roster-admin-panel {
    grid-template-columns: 1fr;
  }
}
/* mobile roster overflow guard */
@media (max-width: 640px) {
  .roster-page,
  .roster-layout,
  .roster-main-panel,
  .roster-admin-panel,
  .roster-admin-panel > *,
  .roster-table-wrap,
  .roster-table,
  .roster-table tbody,
  .roster-table tr {
    max-width: 100%;
    min-width: 0;
  }

  .roster-page {
    overflow-x: hidden;
  }

  .roster-table tr {
    width: auto;
  }
}
.fixed-login-id {
  display: grid;
  gap: var(--space-1);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-subtle);
  padding: var(--space-3) var(--space-4);
}

.fixed-login-id span {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 800;
}

.fixed-login-id strong {
  color: var(--text-primary);
  font-size: 18px;
  line-height: 1.2;
}

.header-actions {
  display: grid;
  gap: var(--space-2);
  justify-items: end;
}

.view-switch {
  display: inline-flex;
  flex-wrap: nowrap;
  gap: 0;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, #FFFFFF 28%, var(--brand-blue));
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.10);
}

.view-switch .nav-tab {
  min-width: 118px;
  min-height: 44px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: color-mix(in srgb, #FFFFFF 88%, var(--brand-blue-soft));
  font-size: 16px;
}

.view-switch .nav-tab.is-active {
  background: var(--brand-blue);
  color: #FFFFFF;
}

.view-switch .nav-tab + .nav-tab {
  border-left: 1px solid var(--border-subtle);
}

.utility-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
}

.utility-button {
  min-height: 36px;
  border-color: color-mix(in srgb, #FFFFFF 22%, var(--brand-blue));
  background: rgba(255, 255, 255, 0.10);
  color: #FFFFFF;
  font-size: 14px;
}

@media (max-width: 768px) {
  .header-actions {
    justify-items: stretch;
  }

  .view-switch,
  .utility-actions {
    width: 100%;
  }

  .view-switch .nav-tab,
  .utility-actions .utility-button {
    flex: 1 1 0;
  }
}
.modal-body-single {
  grid-template-columns: minmax(0, 1fr);
}

.modal-subtitle {
  margin: var(--space-1) 0 0;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
}


.phone-shell {
  width: min(1500px, calc(100% - 64px));
  max-width: none;
  margin: 0 auto var(--space-8);
}

.phone-page {
  border: 1px solid var(--border-subtle);
  background: var(--surface-secondary);
  padding: var(--space-5);
}

.phone-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--space-4);
  align-items: stretch;
  margin-bottom: var(--space-5);
}

.phone-header h2 {
  margin: 0 0 var(--space-2);
  font-size: 28px;
}

.phone-header p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.phone-date-card,
.phone-help-panel {
  border: 1px solid var(--border-subtle);
  background: var(--surface-subtle);
  padding: var(--space-4);
}

.phone-date-card span,
.phone-date-card small,
.phone-help-panel span {
  display: block;
  color: var(--text-secondary);
}

.phone-date-card strong {
  display: block;
  margin: var(--space-2) 0;
  font-size: 18px;
}

.phone-floor-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.phone-summary-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.phone-help-panel {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: var(--space-4);
}

.phone-help-panel strong {
  flex: 0 0 auto;
}

.phone-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(156px, 1fr));
  gap: var(--space-3);
}

.phone-slot-card {
  min-height: 156px;
  border: 1px solid var(--border-default);
  background: var(--surface-secondary);
  padding: var(--space-3);
  display: grid;
  gap: var(--space-3);
  align-content: space-between;
}

.phone-slot-card.is-submitted {
  border-color: var(--status-present-text);
  background: var(--status-present);
}

.phone-slot-card.is-missing {
  border-color: var(--status-absent-text);
  background: var(--status-absent);
}

.phone-slot-card.is-upcoming {
  border-color: var(--status-upcoming-text);
  background: var(--status-upcoming);
}

.phone-slot-card.is-empty {
  background: var(--surface-primary);
  color: var(--text-secondary);
}

.phone-slot-topline {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  align-items: center;
}

.phone-slot-topline strong {
  font-size: 22px;
  font-variant-numeric: tabular-nums;
}

.phone-slot-topline span {
  font-size: 12px;
  font-weight: 700;
  color: inherit;
}

.phone-student-block b,
.phone-student-block small {
  display: block;
  overflow-wrap: anywhere;
}

.phone-student-block b {
  margin-bottom: var(--space-1);
}

.phone-student-block small {
  color: var(--text-secondary);
  line-height: 1.35;
}

.phone-toggle-button {
  min-height: 44px;
  border: 1px solid var(--accent-primary);
  background: var(--accent-primary);
  color: #FFFFFF;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.phone-toggle-button.is-submitted {
  background: var(--surface-secondary);
  color: var(--status-present-text);
  border-color: var(--status-present-text);
}

.phone-toggle-button:disabled {
  cursor: not-allowed;
  border-color: var(--border-default);
  background: var(--surface-subtle);
  color: var(--text-secondary);
}

.phone-toggle-button:not(:disabled):hover {
  transform: translateY(-1px);
  background: var(--accent-hover);
}

.phone-toggle-button:not(:disabled):active {
  transform: translateY(1px);
}

@media (max-width: 900px) {
  .phone-shell {
    width: auto;
  }

  .phone-header,
  .phone-summary-grid {
    grid-template-columns: 1fr;
  }

  .phone-grid {
    grid-template-columns: repeat(auto-fill, minmax(138px, 1fr));
  }
}


.student-detail-modal {
  width: min(980px, 100%);
}

.student-detail-header {
  padding: var(--space-4) var(--space-5);
}

.student-detail-body {
  padding: var(--space-4);
}

.student-detail-form {
  display: grid;
  gap: var(--space-3);
}

.student-detail-overview {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1.4fr;
  gap: var(--space-2);
}

.student-detail-overview div,
.student-detail-section {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-secondary);
}

.student-detail-overview div {
  min-width: 0;
  padding: var(--space-2) var(--space-3);
}

.student-detail-overview span {
  display: block;
  margin-bottom: 2px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 800;
}

.student-detail-overview strong {
  display: block;
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.student-detail-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(360px, 1.14fr);
  gap: var(--space-3);
  align-items: start;
}

.student-detail-section {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-3);
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: var(--space-2);
}

.section-heading h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.35;
}

.section-heading span {
  display: block;
  margin-top: 2px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
}

.student-detail-modal .field {
  gap: 6px;
}

.student-detail-modal .field span {
  font-size: 12px;
  font-weight: 800;
}

.student-detail-modal .field input,
.student-detail-modal .field select,
.student-detail-modal .field textarea {
  min-height: 38px;
  padding: var(--space-2) var(--space-3);
}

.student-detail-modal textarea[name="memo"] {
  min-height: 76px;
}

.student-detail-modal .schedule-status,
.student-detail-modal .student-note-schedule-box,
.student-detail-modal .weekly-schedule-editor,
.student-detail-modal .schedule-builder {
  gap: var(--space-2);
  padding: var(--space-2);
}

.student-detail-modal .weekly-schedule-heading strong {
  font-size: 14px;
}

.student-detail-modal .weekly-schedule-heading span {
  font-size: 12px;
}

.student-detail-modal .schedule-day-choice span,
.student-detail-modal .schedule-type-choice span {
  min-height: 36px;
  font-size: 12px;
}

.student-detail-modal .schedule-time-row {
  grid-template-columns: repeat(2, minmax(128px, 1fr));
}

.student-detail-actions {
  justify-content: flex-end;
  border-top: 1px solid var(--border-subtle);
  background: var(--surface-elevated);
  padding-top: var(--space-3);
}

.student-detail-actions .primary-button,
.student-detail-actions .danger-button {
  min-height: 42px;
}

.student-detail-actions .primary-button {
  min-width: 180px;
}

@media (max-width: 900px) {
  .student-detail-grid,
  .student-detail-overview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .student-detail-body {
    padding: var(--space-3);
  }

  .student-detail-section {
    padding: var(--space-2);
  }

  .student-detail-actions {
    justify-content: stretch;
  }

  .student-detail-actions button {
    flex: 1 1 100%;
  }

  .student-detail-modal .schedule-time-row {
    grid-template-columns: 1fr;
  }
}


.quick-check-panel {
  display: grid;
  gap: var(--space-3);
  border: 1px solid color-mix(in srgb, var(--brand-blue) 22%, var(--border-subtle));
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-secondary) 86%, var(--brand-blue-soft));
  padding: var(--space-3);
  margin-bottom: var(--space-4);
}

.quick-check-panel.is-active {
  border-color: var(--accent-primary);
  background: color-mix(in srgb, var(--accent-primary) 12%, var(--surface-secondary));
}

.quick-check-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: center;
}

.quick-check-main h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
}

.quick-check-main span,
.quick-check-tools span {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.45;
}

.quick-toggle-button {
  min-height: 44px;
  border: 1px solid var(--accent-primary);
  border-radius: 8px;
  background: var(--surface-secondary);
  color: var(--accent-primary);
  padding: 0 var(--space-5);
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}

.quick-toggle-button.is-on {
  background: var(--accent-primary);
  color: #FFFFFF;
}

.quick-check-actions {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--space-2);
}

.quick-action-button {
  min-height: 42px;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--surface-secondary);
  color: var(--text-primary);
  font-weight: 800;
  cursor: pointer;
}

.quick-action-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.quick-action-button.is-selected {
  border-width: 2px;
}

.quick-action-present.is-selected {
  border-color: var(--status-present-text);
  background: var(--status-present);
  color: var(--status-present-text);
}

.quick-action-absent.is-selected {
  border-color: var(--status-absent-text);
  background: var(--status-absent);
  color: var(--status-absent-text);
}

.quick-action-late.is-selected {
  border-color: var(--status-late-text);
  background: var(--status-late);
  color: var(--status-late-text);
}

.quick-action-outing.is-selected {
  border-color: var(--status-outing-text);
  background: var(--status-outing);
  color: var(--status-outing-text);
}

.quick-action-inactive.is-selected {
  border-color: var(--status-inactive-text);
  background: var(--status-inactive);
  color: var(--status-inactive-text);
}

.quick-check-tools {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.quick-filter-button.is-selected {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.quick-undo-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.seat-map-card.is-quick-checking .seat-button:not(.status-empty):not(.status-inactive):not(.is-upcoming) {
  border-width: 2px;
}

.seat-map-card.is-quick-checking .seat-button:not(.status-empty):not(.status-inactive):not(.is-upcoming)::after {
  content: "빠른체크";
  position: absolute;
  right: 6px;
  bottom: 6px;
  border-radius: 6px;
  background: var(--accent-primary);
  color: #FFFFFF;
  padding: 2px 5px;
  font-size: 10px;
  font-weight: 800;
}

@media (max-width: 900px) {
  .quick-check-main {
    grid-template-columns: 1fr;
  }

  .quick-toggle-button {
    width: 100%;
  }

  .quick-check-actions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .quick-check-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quick-check-tools .ghost-button {
    flex: 1 1 100%;
  }
}


.seat-detail-modal {
  width: min(940px, 100%);
}

.seat-detail-header {
  padding: var(--space-4) var(--space-5);
}

.seat-modal-body {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
}

.seat-modal-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.seat-modal-summary div {
  min-width: 0;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-secondary);
  padding: var(--space-3);
}

.seat-modal-summary span,
.seat-modal-summary small {
  display: block;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.seat-modal-summary strong {
  display: block;
  margin: 3px 0;
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.seat-modal-form,
.seat-accordion-list {
  display: grid;
  gap: var(--space-3);
}

.seat-accordion {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-secondary);
  overflow: hidden;
}

.seat-accordion summary {
  display: grid;
  grid-template-columns: minmax(140px, 0.34fr) minmax(0, 1fr);
  gap: var(--space-3);
  align-items: center;
  min-height: 56px;
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  list-style: none;
}

.seat-accordion summary::-webkit-details-marker {
  display: none;
}

.seat-accordion summary::after {
  content: "열기";
  justify-self: end;
  border: 1px solid var(--border-default);
  border-radius: 999px;
  padding: 3px 9px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 800;
}

.seat-accordion[open] summary {
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface-subtle);
}

.seat-accordion[open] summary::after {
  content: "닫기";
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.seat-accordion summary span {
  color: var(--text-primary);
  font-size: 17px;
  font-weight: 900;
  line-height: 1.3;
}

.seat-accordion summary strong {
  min-width: 0;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.seat-accordion-content {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
}

.seat-action-grid {
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
}

.seat-action-grid button {
  min-height: 48px;
  padding: 0 var(--space-3);
  white-space: nowrap;
  font-size: 15px;
  font-weight: 900;
}

.seat-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.seat-save-row {
  justify-content: flex-end;
}

.seat-save-row button {
  min-height: 42px;
}

.seat-detail-modal .student-note-schedule-box,
.seat-detail-modal .weekly-schedule-editor,
.seat-detail-modal .schedule-builder {
  gap: var(--space-2);
}

@media (max-width: 768px) {
  .seat-modal-summary,
  .seat-form-grid {
    grid-template-columns: 1fr;
  }

  .seat-accordion summary {
    grid-template-columns: 1fr auto;
  }

  .seat-accordion summary strong {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .seat-modal-body {
    padding: var(--space-3);
  }

  .seat-accordion summary,
  .seat-accordion-content {
    padding: var(--space-3);
  }

  .seat-action-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .seat-action-grid button {
    min-width: 0;
    white-space: normal;
  }

  .seat-save-row button {
    flex: 1 1 100%;
  }
}


.monthly-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 0 var(--space-5) var(--space-8);
}

.monthly-page {
  display: grid;
  gap: var(--space-5);
  border: 1px solid var(--border-subtle);
  border-top: 3px solid var(--brand-blue);
  border-radius: 8px;
  background: var(--surface-secondary);
  padding: var(--space-5);
  box-shadow: 0 1px 2px rgba(13, 35, 56, 0.04);
}

.monthly-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: var(--space-4);
  align-items: end;
}

.monthly-header h2 {
  margin: var(--space-1) 0 var(--space-2);
  font-size: 26px;
  line-height: 1.2;
}

.monthly-month-field {
  align-self: end;
}

.monthly-input-panel {
  border: 1px solid color-mix(in srgb, var(--brand-blue) 18%, var(--border-subtle));
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-secondary) 88%, var(--brand-blue-soft));
  padding: var(--space-4);
}

.monthly-form {
  display: grid;
  grid-template-columns: 150px minmax(180px, 1fr) 130px 140px minmax(220px, 1.4fr) auto;
  gap: var(--space-3);
  align-items: end;
}

.monthly-memo-field {
  min-width: 0;
}

.monthly-add-button {
  min-height: 40px;
  padding: 0 var(--space-4);
  white-space: nowrap;
}

.monthly-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
}

.monthly-calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(136px, 1fr));
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-2);
}

.monthly-day-card {
  min-height: 128px;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-secondary) 94%, var(--brand-blue-wash));
  padding: var(--space-3);
}

.monthly-day-card.has-notes {
  border-color: color-mix(in srgb, var(--brand-blue) 26%, var(--border-subtle));
  box-shadow: inset 0 3px 0 color-mix(in srgb, var(--brand-blue) 70%, #FFFFFF);
}

.monthly-day-title {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-2);
}

.monthly-day-title strong {
  font-size: 14px;
}

.monthly-day-title span {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 800;
}

.monthly-note-list {
  display: grid;
  gap: var(--space-2);
}

.monthly-empty-note {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 12px;
  line-height: 1.4;
}

.monthly-note {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-2);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-secondary);
  padding: var(--space-2);
}

.monthly-note strong,
.monthly-note small,
.monthly-note p,
.monthly-note-side span {
  display: block;
}

.monthly-note strong {
  margin-top: 2px;
  font-size: 14px;
  line-height: 1.25;
}

.monthly-note small {
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.3;
}

.monthly-note p {
  margin: var(--space-1) 0 0;
  color: var(--text-primary);
  font-size: 12px;
  line-height: 1.35;
}

.monthly-note-type {
  display: inline-grid;
  width: fit-content;
  border-radius: 6px;
  padding: 2px 6px;
  background: var(--brand-blue-soft);
  color: var(--brand-blue-dark);
  font-size: 11px;
  font-weight: 900;
  line-height: 1.2;
}

.monthly-note-late {
  border-color: color-mix(in srgb, var(--status-late-text) 30%, var(--border-subtle));
}

.monthly-note-late .monthly-note-type {
  background: var(--status-late);
  color: var(--status-late-text);
}

.monthly-note-absent {
  border-color: color-mix(in srgb, var(--status-absent-text) 30%, var(--border-subtle));
}

.monthly-note-absent .monthly-note-type {
  background: var(--status-absent);
  color: var(--status-absent-text);
}

.monthly-note-outing,
.monthly-note-early {
  border-color: color-mix(in srgb, var(--status-outing-text) 30%, var(--border-subtle));
}

.monthly-note-outing .monthly-note-type,
.monthly-note-early .monthly-note-type {
  background: var(--status-outing);
  color: var(--status-outing-text);
}

.monthly-note-side {
  display: grid;
  gap: var(--space-2);
  justify-items: end;
  align-content: start;
}

.monthly-note-side span {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.monthly-delete-button {
  min-height: 30px;
  padding: 0 var(--space-2);
  font-size: 12px;
}

@media (max-width: 1100px) {
  .monthly-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .monthly-add-button {
    grid-column: 1 / -1;
  }

  .monthly-calendar {
    grid-template-columns: repeat(3, minmax(180px, 1fr));
  }
}

@media (max-width: 768px) {
  .monthly-shell {
    padding: 0 var(--space-3) var(--space-6);
  }

  .monthly-page {
    padding: var(--space-3);
  }

  .monthly-header,
  .monthly-summary-grid,
  .monthly-form {
    grid-template-columns: 1fr;
  }

  .monthly-calendar {
    grid-template-columns: 1fr;
  }

  .monthly-note {
    grid-template-columns: 1fr;
  }

  .monthly-note-side {
    justify-items: start;
  }
}
.attendance-date-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.45fr);
  gap: var(--space-4);
  align-items: end;
  border: 1px solid color-mix(in srgb, var(--brand-blue) 22%, var(--border-subtle));
  border-top: 3px solid var(--brand-blue);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-secondary) 90%, var(--brand-blue-wash));
  padding: var(--space-4);
}

.attendance-date-main h2 {
  margin: var(--space-1) 0;
  font-size: 22px;
  line-height: 1.2;
}

.attendance-date-main span {
  display: block;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 800;
}

.attendance-date-controls {
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr) auto auto;
  gap: var(--space-2);
  align-items: end;
}

.compact-date-field {
  min-width: 0;
}

.compact-date-field input,
.compact-date-field select {
  min-height: 40px;
}

.attendance-date-controls button {
  min-height: 40px;
  white-space: nowrap;
}

@media (max-width: 1100px) {
  .attendance-date-panel {
    grid-template-columns: 1fr;
  }

  .attendance-date-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .attendance-date-panel {
    padding: var(--space-3);
  }

  .attendance-date-controls {
    grid-template-columns: 1fr;
  }

  .attendance-date-controls button {
    width: 100%;
  }
}
.voice-shell {
  width: min(1500px, calc(100% - 64px));
  margin: 0 auto var(--space-8);
}

.voice-page {
  border: 1px solid var(--border-subtle);
  border-top: 3px solid var(--brand-blue);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-secondary) 92%, var(--brand-blue-wash));
  padding: var(--space-5);
}

.voice-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.voice-header h2 {
  margin: 0 0 var(--space-2);
  font-size: 28px;
  letter-spacing: 0;
}

.voice-summary-card {
  min-width: 180px;
  border: 1px solid color-mix(in srgb, var(--brand-blue) 20%, var(--border-subtle));
  border-radius: 8px;
  background: var(--surface-secondary);
  padding: var(--space-4);
}

.voice-summary-card span,
.voice-recording-status span,
.voice-note-meta,
.voice-note-footer {
  display: block;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
}

.voice-summary-card strong {
  display: block;
  margin-top: var(--space-2);
  color: var(--brand-blue-dark);
  font-size: 28px;
}

.voice-layout {
  display: grid;
  grid-template-columns: minmax(320px, 440px) minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
}

.voice-form-panel,
.voice-list-panel {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-secondary);
  padding: var(--space-4);
}

.voice-form {
  display: grid;
  gap: var(--space-3);
}

.voice-form-grid,
.voice-list-tools {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.voice-list-tools {
  grid-template-columns: minmax(180px, 260px) 1fr;
  margin-bottom: var(--space-4);
}

.voice-recorder {
  display: grid;
  gap: var(--space-3);
  border: 1px dashed color-mix(in srgb, var(--brand-blue) 35%, var(--border-default));
  border-radius: 8px;
  background: color-mix(in srgb, var(--brand-blue-soft) 58%, #FFFFFF);
  padding: var(--space-4);
}

.voice-recording-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.voice-recording-status strong {
  display: block;
  color: var(--brand-blue-dark);
  font-size: 16px;
}

.voice-rec-dot {
  width: 12px;
  height: 12px;
  flex: 0 0 12px;
  border-radius: 999px;
  background: var(--border-default);
}

.voice-recorder.is-recording {
  border-color: var(--status-absent);
  background: color-mix(in srgb, var(--status-absent) 34%, #FFFFFF);
}

.voice-recorder.is-recording .voice-rec-dot {
  background: #D33F3F;
}

.voice-recorder-actions,
.voice-note-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.voice-file-input {
  display: grid;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 800;
}

.voice-file-input input {
  width: 100%;
}

.voice-pending-audio {
  display: grid;
  gap: var(--space-2);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--surface-secondary);
  padding: var(--space-3);
}

.voice-pending-audio audio {
  width: 100%;
}

.voice-pending-audio strong,
.voice-pending-audio span {
  display: block;
}

.voice-pending-audio span {
  color: var(--text-secondary);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.voice-save-button {
  min-height: 48px;
}

.voice-note-list {
  display: grid;
  gap: var(--space-3);
}

.voice-note-card {
  display: grid;
  gap: var(--space-3);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--brand-blue);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-secondary) 94%, var(--brand-blue-wash));
  padding: var(--space-3);
}

.voice-note-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
}

.voice-note-head strong {
  display: block;
  font-size: 16px;
  overflow-wrap: anywhere;
}

.voice-audio-chip {
  flex: 0 1 auto;
  max-width: 220px;
  border: 1px solid color-mix(in srgb, var(--brand-blue) 28%, var(--border-subtle));
  border-radius: 999px;
  background: var(--brand-blue-soft);
  color: var(--brand-blue-dark);
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 900;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.voice-note-memo {
  margin: 0;
  color: var(--text-primary);
  line-height: 1.45;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.voice-note-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}

.voice-empty {
  border: 1px dashed var(--border-default);
  border-radius: 8px;
  background: var(--surface-secondary);
  color: var(--text-secondary);
  padding: var(--space-5);
  text-align: center;
  font-weight: 800;
}

.voice-empty.compact {
  padding: var(--space-3);
  text-align: left;
  font-size: 13px;
}

@media (max-width: 900px) {
  .voice-shell {
    width: auto;
    margin: 0 var(--space-3) var(--space-6);
  }

  .voice-page {
    padding: var(--space-4);
  }

  .voice-header,
  .voice-note-head,
  .voice-note-footer {
    display: grid;
  }

  .voice-summary-card {
    width: 100%;
  }

  .voice-layout,
  .voice-form-grid,
  .voice-list-tools {
    grid-template-columns: 1fr;
  }

  .voice-audio-chip {
    max-width: 100%;
  }
}

.quick-focus-queue,
.quick-focus-empty {
  border: 1px solid color-mix(in srgb, var(--brand-blue) 18%, var(--border-subtle));
  border-radius: 8px;
  background: var(--surface-secondary);
  padding: var(--space-3);
}

.quick-focus-empty {
  display: grid;
  gap: var(--space-1);
  color: var(--text-secondary);
}

.quick-focus-empty strong {
  color: var(--text-primary);
}

.quick-focus-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: var(--space-2);
}

.quick-focus-heading strong {
  display: block;
  color: var(--text-primary);
  font-size: 16px;
}

.quick-focus-heading span,
.quick-focus-more {
  color: var(--text-secondary);
  font-size: 13px;
}

.quick-focus-list {
  display: grid;
  gap: var(--space-2);
}

.quick-focus-row {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) auto minmax(340px, 1.5fr);
  gap: var(--space-2);
  align-items: center;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-secondary) 92%, var(--brand-blue-soft));
  padding: var(--space-2);
}

.quick-focus-row.is-required {
  border-color: color-mix(in srgb, var(--brand-gold) 58%, var(--border-default));
  background: color-mix(in srgb, var(--status-late) 40%, var(--surface-secondary));
}

.quick-focus-student {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px var(--space-2);
  align-items: center;
  min-width: 0;
}

.quick-focus-student strong,
.quick-focus-student small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quick-focus-student small {
  grid-column: 2;
  color: var(--text-secondary);
  font-size: 12px;
}

.quick-seat-label,
.quick-required-chip {
  border-radius: 6px;
  padding: 3px 6px;
  font-size: 12px;
  font-weight: 800;
}

.quick-seat-label {
  background: var(--brand-blue-soft);
  color: var(--accent-primary);
}

.quick-required-chip {
  justify-self: start;
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
}

.quick-required-chip.is-required {
  border-color: color-mix(in srgb, var(--brand-gold) 70%, var(--border-default));
  background: var(--status-late);
  color: var(--status-late-text);
}

.quick-row-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
}

.quick-mini-action {
  min-height: 38px;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--surface-secondary);
  color: var(--text-primary);
  font-weight: 800;
  cursor: pointer;
}

.quick-mini-action.quick-action-present {
  border-color: color-mix(in srgb, var(--status-present-text) 45%, var(--border-default));
  background: var(--status-present);
  color: var(--status-present-text);
}

.quick-mini-action.quick-action-absent {
  border-color: color-mix(in srgb, var(--status-absent-text) 45%, var(--border-default));
  background: var(--status-absent);
  color: var(--status-absent-text);
}

.quick-mini-action.quick-action-late {
  border-color: color-mix(in srgb, var(--status-late-text) 45%, var(--border-default));
  background: var(--status-late);
  color: var(--status-late-text);
}

.quick-mini-action.quick-action-outing {
  border-color: color-mix(in srgb, var(--status-outing-text) 45%, var(--border-default));
  background: var(--status-outing);
  color: var(--status-outing-text);
}

.quick-mini-action:active {
  transform: translateY(1px);
}

@media (max-width: 900px) {
  .quick-focus-heading,
  .quick-focus-row {
    grid-template-columns: 1fr;
  }

  .quick-row-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}


.voice-ai-panel {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: #f8fbff;
}

.voice-ai-panel.is-busy {
  border-color: var(--accent-primary);
  background: #eef6ff;
}

.voice-ai-panel textarea {
  min-height: 96px;
  resize: vertical;
}

.voice-save-row {
  display: grid;
  grid-template-columns: minmax(140px, 0.8fr) minmax(180px, 1.2fr);
  gap: 10px;
}

.voice-note-summary {
  white-space: pre-wrap;
  margin: 12px 0 0;
  padding: 12px;
  border-radius: 8px;
  background: #f8fbff;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: inherit;
  line-height: 1.55;
}

.voice-note-transcript {
  margin-top: 10px;
  color: var(--text-secondary);
}

.voice-note-transcript summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--accent-primary);
}

.student-voice-history {
  margin-top: 16px;
}

.student-voice-history .voice-note-card {
  margin-top: 10px;
}

@media (max-width: 760px) {
  .voice-save-row {
    grid-template-columns: 1fr;
  }
}


/* mobile-operator-upgrade */
@media (max-width: 760px) {
  body { font-size: 14px; }
  .app-header { padding: 16px 12px; margin-bottom: 12px; }
  .app-header h1 { font-size: 24px; }
  .header-actions, .floor-tabs, .toolbar, .quick-check-actions, .quick-check-tools, .attendance-date-controls { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; gap: 8px; }
  .header-actions > *, .floor-tabs > *, .toolbar > *, .quick-check-actions > *, .quick-check-tools > *, .attendance-date-controls > * { width: 100%; min-height: 44px; }
  .app-shell, .app-shell-seat-only, .roster-shell, .monthly-shell, .voice-shell { width: 100%; max-width: none; padding-left: 10px; padding-right: 10px; }
  .workspace, .workspace-seat-focus, .seat-map-card, .manager-section, .side-panel, .monthly-page, .voice-page { padding: 12px; border-radius: 8px; }
  .summary-grid, .phone-summary-grid, .attendance-kpi-grid, .monthly-summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .summary-card, .phone-summary-card, .attendance-kpi-card { min-height: 72px; padding: 10px; }
  .summary-card strong, .phone-summary-card strong, .attendance-kpi-card strong { font-size: 22px; }
  .quick-check-panel, .quick-focus-queue, .quick-focus-empty { padding: 12px; }
  .quick-check-main, .quick-focus-heading, .quick-focus-row { grid-template-columns: 1fr; }
  .quick-row-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quick-action-button, .quick-mini-action, .quick-toggle-button { min-height: 44px; }
  .seat-map-scroll { margin-left: -4px; margin-right: -4px; padding: 0 4px 10px; scroll-snap-type: x proximity; }
  .seat-map { grid-template-columns: repeat(var(--seat-cols), minmax(82px, 88px)); grid-template-rows: repeat(var(--seat-rows), 92px); min-width: max(100%, calc(var(--seat-cols) * 90px)); }
  .seat-map.floor-4f { grid-template-columns: repeat(var(--seat-cols), minmax(58px, 64px)); grid-template-rows: repeat(var(--seat-rows), 78px); min-width: max(100%, 760px); }
  .seat-map.floor-2g { grid-template-columns: repeat(var(--seat-cols), minmax(58px, 68px)); min-width: max(100%, 1260px); }
  .seat-button { min-height: 88px; scroll-snap-align: start; }
  .seat-map.floor-4f .seat-button, .seat-map.floor-2g .seat-button { min-height: 76px; }
  .seat-name { font-size: 13px; }
  .seat-meta, .seat-status, .seat-label { font-size: 11px; }
  .modal-backdrop { align-items: stretch; padding: 8px; }
  .modal, .student-detail-modal, .seat-detail-modal { width: 100%; max-height: calc(100dvh - 16px); border-radius: 8px; }
  .modal-header, .seat-detail-header, .student-detail-header { padding: 12px; }
  .seat-modal-body, .student-detail-body, .modal-body { padding: 12px; }
  .seat-accordion summary { grid-template-columns: 1fr auto; min-height: 52px; padding: 12px; }
  .seat-accordion summary strong { grid-column: 1 / -1; }
  .seat-accordion-content { padding: 12px; }
  .seat-action-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .seat-action-grid button { min-height: 46px; white-space: normal; }
  .student-detail-grid, .student-detail-overview, .voice-layout, .voice-form-grid, .voice-list-tools { grid-template-columns: 1fr; }
  .student-detail-actions, .voice-save-row { grid-template-columns: 1fr; }
  .student-detail-actions button, .voice-save-row button { width: 100%; min-height: 44px; }
}

@media (max-width: 430px) {
  .header-actions, .floor-tabs, .toolbar, .quick-check-actions, .quick-check-tools, .attendance-date-controls, .summary-grid, .phone-summary-grid, .attendance-kpi-grid, .monthly-summary-grid, .seat-action-grid, .quick-row-actions { grid-template-columns: 1fr; }
  .app-header h1 { font-size: 22px; }
  .seat-map.floor-4f { min-width: 720px; }
}

/* mobile-workflow-separation */
.nav-tab-title,
.nav-tab-desc {
  display: block;
  line-height: 1.25;
}
.nav-tab-title {
  font-size: 15px;
  font-weight: 900;
}
.nav-tab-desc {
  margin-top: 2px;
  font-size: 11px;
  font-weight: 800;
  opacity: .82;
}
@media (max-width: 760px) {
  .app-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 3px solid var(--brand-blue);
    box-shadow: 0 10px 24px rgba(7, 27, 58, .16);
  }
  .header-actions {
    display: grid;
    gap: 10px;
    border: 1px solid color-mix(in srgb, #FFFFFF 24%, var(--brand-blue));
    border-radius: 10px;
    background: rgba(255, 255, 255, .10);
    padding: 10px;
  }
  .header-actions::before {
    content: "업무 선택";
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 900;
  }
  .view-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    border: 0;
    background: transparent;
    overflow: visible;
  }
  .view-switch .nav-tab,
  .tab-button.nav-tab {
    display: grid;
    align-content: center;
    min-width: 0;
    min-height: 62px;
    border: 1px solid color-mix(in srgb, #FFFFFF 28%, var(--brand-blue));
    border-radius: 8px;
    background: rgba(255, 255, 255, .14);
    color: #FFFFFF;
    padding: 9px 10px;
    text-align: left;
    white-space: normal;
  }
  .view-switch .nav-tab.is-active,
  .tab-button.nav-tab.is-active {
    border-color: #FFFFFF;
    background: #FFFFFF;
    color: var(--brand-navy);
    box-shadow: inset 0 0 0 2px var(--brand-blue);
  }
  .utility-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .workspace-seat-focus,
  .roster-page,
  .phone-page,
  .monthly-page,
  .voice-page {
    border-top: 4px solid var(--brand-blue);
    box-shadow: 0 8px 22px rgba(16, 42, 86, .08);
  }
  body[data-active-view="seats"] .workspace-seat-focus::before,
  body[data-active-view="students"] .roster-page::before,
  body[data-active-view="phones"] .phone-page::before,
  body[data-active-view="monthly"] .monthly-page::before,
  body[data-active-view="voice"] .voice-page::before {
    display: block;
    margin-bottom: 10px;
    color: var(--brand-blue);
    font-size: 13px;
    font-weight: 900;
  }
  body[data-active-view="seats"] .workspace-seat-focus::before { content: "출석 관리 - 좌석표에서 빠르게 체크"; }
  body[data-active-view="students"] .roster-page::before { content: "학생관리 - 명단, 연락처, 좌석 수정"; }
  body[data-active-view="phones"] .phone-page::before { content: "핸드폰 제출 - 번호별 제출 확인"; }
  body[data-active-view="monthly"] .monthly-page::before { content: "월별 출석부 - 지각/결석 예정 기록"; }
  body[data-active-view="voice"] .voice-page::before { content: "상담 기록 - 녹음과 AI 요약"; }
}
@media (max-width: 430px) {
  .view-switch {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .utility-actions {
    grid-template-columns: 1fr;
  }
}