/* ============================================================
   ZÁLOŽKY
   ============================================================ */

.attendance-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
}

.tab-btn {
    background: none;
    padding: 10px 18px;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}

.tab-btn:hover {
    color: var(--color-primary);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* ============================================================
   SPOLEČNÉ PRVKY
   ============================================================ */

/* ============================================================
   1. RANNÍ ZÁPIS — seznam žáků
   ============================================================ */

.student-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.student-row {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 12px 16px;
}

.student-row-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.student-name {
    font-weight: 600;
    font-size: var(--font-size-base);
    min-width: 160px;
}

.status-toggle-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.status-btn {
    background: var(--color-border-light);
    color: var(--color-text-secondary);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-small);
    font-weight: 600;
}

.status-btn:hover {
    filter: brightness(0.95);
}

.status-btn[data-status="present"].active {
    background: var(--color-success);
    color: white;
}

.status-btn[data-status="absent"].active {
    background: var(--color-error);
    color: white;
}

.status-btn[data-status="late"].active {
    background: var(--color-warning);
    color: var(--color-on-warning);
}

.status-btn[data-status="excused"].active {
    background: var(--color-info);
    color: white;
}

.status-btn[data-status="left_early"].active {
    background: var(--color-secondary);
    color: white;
}

.status-btn.left-early-btn.active {
    background: var(--color-secondary);
    color: white;
}

.student-row-extra {
    display: none;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--color-border-light);
    flex-wrap: wrap;
}

.student-row-extra.visible {
    display: flex;
}

.student-row-extra label {
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    margin-right: 4px;
}

.student-row-extra input[type="time"] {
    padding: 5px 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.student-row-extra input[type="text"] {
    flex: 1;
    min-width: 160px;
    padding: 5px 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
}

.morning-save-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    position: sticky;
    bottom: 0;
    background: var(--color-bg-primary);
    padding: var(--spacing-md) 0;
}

.readonly-field-row {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

/* ============================================================
   2. PRŮBĚŽNÉ ZMĚNY
   ============================================================ */

.modal-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    justify-content: flex-end;
}

/* ============================================================
   3. PŘEHLED — týdenní mřížka
   ============================================================ */

.grid-scroll {
    overflow-x: auto;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.attendance-grid {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-base);
}

.attendance-grid th,
.attendance-grid td {
    padding: 10px 14px;
    text-align: center;
    border-bottom: 1px solid var(--color-border-light);
    white-space: nowrap;
}

.attendance-grid thead th {
    background: var(--color-border-light);
    font-weight: 600;
    color: var(--color-bg-dark);
    border-bottom: 2px solid var(--color-border);
}

.attendance-grid th.grid-name-col,
.attendance-grid td.grid-name-col {
    text-align: left;
    position: sticky;
    left: 0;
    background: var(--color-bg-white);
    z-index: 1;
}

.attendance-grid thead th.grid-name-col {
    background: var(--color-border-light);
    z-index: 2;
}

.attendance-grid td.grid-name-col {
    font-weight: 600;
    cursor: pointer;
}

.attendance-grid td.grid-name-col:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.attendance-grid th.today-col,
.attendance-grid td.today-col {
    background: var(--color-info-light);
}

.attendance-grid tfoot td {
    font-weight: 600;
    background: var(--color-border-light);
    border-bottom: none;
    border-top: 2px solid var(--color-border);
}

.grid-cell {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    min-width: 44px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-small);
    font-weight: 600;
}

.grid-cell:hover {
    filter: brightness(0.95);
}

.grid-cell.status-present {
    color: var(--color-text-placeholder);
}

.grid-cell.status-absent {
    background: var(--color-error);
    color: white;
}

.grid-cell.status-late {
    background: var(--color-warning);
    color: var(--color-on-warning);
}

.grid-cell.status-left_early {
    background: var(--color-secondary);
    color: white;
}

.grid-cell.status-excused {
    background: var(--color-info);
    color: white;
}

.grid-cell.status-none {
    background: var(--color-border-light);
    color: var(--color-text-placeholder);
}

.grid-week-summary {
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.grid-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
}

.grid-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.legend-swatch {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 4px;
}

.legend-swatch.present { background: var(--color-border-light); border: 1px solid var(--color-border); }
.legend-swatch.absent { background: var(--color-error); }
.legend-swatch.late { background: var(--color-warning); }
.legend-swatch.left_early { background: var(--color-secondary); }
.legend-swatch.excused { background: var(--color-info); }
.legend-swatch.none { background: var(--color-border-light); border: 1px solid var(--color-border); }

/* ============================================================
   Mini detail buňky (popup)
   ============================================================ */

.popup-backdrop {
    position: fixed;
    inset: 0;
    background: transparent;
    z-index: 100;
}

.cell-popup {
    position: fixed;
    z-index: 101;
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    min-width: 220px;
    max-width: 300px;
}

.cell-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    font-weight: 600;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border-light);
}

.popup-close {
    background: none;
    color: var(--color-text-muted);
    font-size: var(--font-size-medium);
    line-height: 1;
    padding: 2px;
}

.popup-close:hover {
    color: var(--color-text-primary);
}

#cell-popup-body p {
    margin: 4px 0;
    font-size: var(--font-size-base);
}

/* ============================================================
   Detail žáka (overlay přes celou stránku)
   ============================================================ */

.student-detail-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: var(--color-bg-primary);
    overflow-y: auto;
}

.student-detail-panel {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.student-detail-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.student-detail-header h2 {
    font-size: var(--font-size-xlarge);
    color: var(--color-text-primary);
}

.detail-toggle-all {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
}

.summary-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.summary-chip {
    background: var(--color-bg-white);
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-md);
    padding: 8px 16px;
    font-size: var(--font-size-base);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.summary-chip .count {
    font-size: var(--font-size-large);
}

/* .status-label je ted v shared/components.css, sekce Stitky. */

/* .attendance-table je ted v shared/components.css, sekce Tabulky. */

/* ============================================================
   Potvrzovací / konfliktní dialog (ranní zápis)
   ============================================================ */

.confirm-modal-backdrop {
    position: fixed;
    inset: 0;
    background: var(--color-overlay);
    z-index: 250;
}

.confirm-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 251;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
    max-width: 480px;
    width: calc(100% - 40px);
    max-height: 80vh;
    overflow-y: auto;
}

.confirm-modal h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-large);
}

.confirm-modal-conflict-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md);
}

.confirm-modal-conflict-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: var(--font-size-base);
}

.confirm-modal-conflict-list li:last-child {
    border-bottom: none;
}

@media (max-width: 767px) {
    .student-row-main {
        flex-direction: column;
        align-items: flex-start;
    }
}