/* ==============================================================================
 *  # Grade de Reservas — premium (Fase 1 — Item 4)
 *
 *  Namespace: .gr-*
 *  Tokens do design system: --occ-* (superfícies, accent, glass, sombras)
 *  Status colors: herdados da semântica visual do legado Delphi (UGradeRes.pas)
 *  Dark mode: espelho completo em [data-color-theme="dark"]
 * ---------------------------------------------------------------------------- */

/* ------------------------------
 *  PAGE SHELL
 * ------------------------------ */
.gr-page {
    flex: 1 1 0%;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.gr-layout {
    display: flex;
    gap: 1rem;
    min-height: 0;
    flex: 1 1 0%;
}

/* ------------------------------
 *  SIDEBAR (FILTROS)
 * ------------------------------ */
.gr-sidebar {
    width: 280px;
    flex-shrink: 0;
    background: var(--occ-surface);
    border: 1px solid var(--occ-line);
    border-radius: var(--occ-radius);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.gr-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.15rem 0.75rem;
    border-bottom: 1px solid var(--occ-line);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--occ-ink);
}

.gr-sidebar-header i {
    color: var(--occ-accent);
    margin-right: 0.4rem;
}

.gr-sidebar-body {
    padding: 1rem 1.15rem;
    overflow-y: auto;
    flex: 1 1 0%;
}

.gr-filter-group {
    margin-bottom: 0.75rem;
}

.gr-filter-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--occ-ink-faint);
    margin-bottom: 0.25rem;
}

.gr-filter-group .form-control,
.gr-filter-group .form-select {
    font-size: 0.85rem;
    background-color: var(--occ-surface-2);
    border-color: var(--occ-line);
    color: var(--occ-ink);
    border-radius: var(--occ-radius-sm);
}

.gr-filter-group .form-control:focus,
.gr-filter-group .form-select:focus {
    border-color: var(--occ-accent);
    box-shadow: 0 0 0 2px var(--occ-accent-soft);
}

.gr-filter-group .form-control::placeholder {
    color: var(--occ-ink-faint);
}

/* ------------------------------
 *  MAIN CONTENT AREA
 * ------------------------------ */
.gr-main {
    display: flex;
    flex-direction: column;
    flex: 1 1 0%;
    min-width: 0;
    min-height: 0;
}

/* ------------------------------
 *  BOARD HEADER (MÉTRICAS + LEGENDA)
 * ------------------------------ */
.gr-board-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.75rem 1rem;
    background: var(--occ-surface);
    border: 1px solid var(--occ-line);
    border-radius: var(--occ-radius-sm);
    margin-bottom: 0.75rem;
    flex-shrink: 0;
}

.gr-metric {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gr-metric-value {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--occ-ink);
    line-height: 1.2;
}

.gr-metric-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--occ-ink-faint);
    margin-top: 0.1rem;
}

.gr-metric-divider {
    width: 1px;
    height: 32px;
    background: var(--occ-line);
    flex-shrink: 0;
}

/* Legend */
.gr-legend {
    display: flex;
    gap: 0.75rem;
    margin-left: auto;
    flex-wrap: wrap;
}

.gr-legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    color: var(--occ-ink-soft);
    white-space: nowrap;
}

.gr-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.gr-dot--ativa     { background: var(--occ-accent); }
.gr-dot--cancelada { background: #8b5cf6; }
.gr-dot--usada     { background: #ef4444; }
.gr-dot--noshow    { background: #f59e0b; }
.gr-dot--bloqueio  { background: #3b82f6; }
.gr-dot--grupo     { background: #10b981; }

/* ------------------------------
 *  TABELA PREMIUM
 * ------------------------------ */
.gr-table-wrap {
    background: var(--occ-surface);
    border: 1px solid var(--occ-line);
    border-radius: var(--occ-radius-sm);
    overflow: auto;
    flex: 1 1 0%;
    min-height: 0;
}

.gr-table {
    margin-bottom: 0;
    width: 100%;
    border-collapse: collapse;
}

.gr-table thead {
    position: sticky;
    top: 0;
    z-index: 2;
}

.gr-table thead th {
    background: var(--occ-surface-2);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
    color: var(--occ-ink-soft);
    padding: 0.65rem 0.85rem;
    white-space: nowrap;
    border-bottom: 2px solid var(--occ-line);
    cursor: default;
    user-select: none;
}

.gr-table thead th[data-sort] {
    cursor: pointer;
    transition: color var(--occ-dur) var(--occ-ease);
}

.gr-table thead th[data-sort]:hover {
    color: var(--occ-accent);
}

.gr-table thead th[data-sort].sorted-asc::after {
    content: " \2191";
    color: var(--occ-accent);
}

.gr-table thead th[data-sort].sorted-desc::after {
    content: " \2193";
    color: var(--occ-accent);
}

.gr-table tbody td {
    padding: 0.6rem 0.85rem;
    font-size: 0.84rem;
    color: var(--occ-ink);
    border-bottom: 1px solid var(--occ-line);
    white-space: nowrap;
    vertical-align: middle;
}

.gr-table tbody tr {
    cursor: pointer;
    transition: background-color var(--occ-dur) var(--occ-ease),
                border-color var(--occ-dur) var(--occ-ease);
    border-left: 3px solid transparent;
}

/* Status colors — mapeados do legado Delphi (UGradeRes.pas OnDrawColumnCell) */
.gr-table tbody tr[data-situacao="CANCELADA"] { background: rgba(139, 92, 246, 0.06); border-left-color: rgba(139, 92, 246, 0.5); }
.gr-table tbody tr[data-situacao="USADA"]     { background: rgba(239, 68, 68, 0.05);  border-left-color: rgba(239, 68, 68, 0.5); }
.gr-table tbody tr[data-situacao="NOSHOW"]    { background: rgba(245, 158, 11, 0.07); border-left-color: rgba(245, 158, 11, 0.5); }
.gr-table tbody tr[data-tipo="BLOQUEIO"]      { background: rgba(59, 130, 246, 0.06); border-left-color: rgba(59, 130, 246, 0.5); }
.gr-table tbody tr[data-tipo="GRUPO"]         { background: rgba(16, 185, 129, 0.06); border-left-color: rgba(16, 185, 129, 0.5); }

.gr-table tbody tr:hover {
    background-color: var(--occ-surface-2) !important;
}

.gr-table tbody tr.selected {
    background: var(--occ-accent-soft) !important;
    border-left-color: var(--occ-accent) !important;
}

.gr-table .gr-status-badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.gr-status-badge--ativa     { background: rgba(28, 167, 167, 0.12); color: var(--occ-accent); }
.gr-status-badge--cancelada { background: rgba(139, 92, 246, 0.12); color: #8b5cf6; }
.gr-status-badge--usada     { background: rgba(239, 68, 68, 0.12);  color: #ef4444; }
.gr-status-badge--noshow    { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }
.gr-status-badge--bloqueio  { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.gr-status-badge--grupo     { background: rgba(16, 185, 129, 0.12); color: #10b981; }
/* Deadline Vencido — mesma cor canônica de --xc-st-expiredDeadline (tabela-ocupacao, Fase 3). */
.gr-status-badge--deadline  { background: rgba(239, 68, 68, 0.12);  color: #ef4444; }

/* ------------------------------
 *  PAINEL DE DETALHE INFERIOR
 * ------------------------------ */
.gr-detail-panel {
    border: 1px solid var(--occ-line);
    border-top: 2px solid var(--occ-accent);
    border-radius: 0 0 var(--occ-radius-sm) var(--occ-radius-sm);
    background: var(--occ-surface);
    padding: 1rem 1.25rem;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.gr-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.gr-detail-header h6 {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--occ-ink);
    margin: 0;
}

.gr-detail-header h6 span {
    color: var(--occ-accent);
}

.gr-detail-header .btn {
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 50%;
    border: 1px solid var(--occ-line);
    background: transparent;
    color: var(--occ-ink-faint);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gr-detail-header .btn:hover {
    background: var(--occ-surface-2);
    color: var(--occ-ink);
}

.gr-detail-body {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem 2rem;
}

.gr-detail-field {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.gr-detail-field-label {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--occ-ink-faint);
}

.gr-detail-field-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--occ-ink);
}

.gr-detail-field-value i {
    font-style: normal;
    color: var(--occ-ink-soft);
    font-weight: 400;
}

/* ------------------------------
 *  TOOLBAR DE AÇÕES
 * ------------------------------ */
.gr-action-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding: 0.65rem 1rem;
    background: var(--occ-surface);
    border: 1px solid var(--occ-line);
    border-radius: var(--occ-radius-sm);
    flex-shrink: 0;
}

.gr-action-toolbar .btn {
    border-radius: 30px;
    padding: 0.45rem 1.1rem;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid var(--occ-line);
    background: var(--occ-surface);
    color: var(--occ-ink-soft);
    transition: all var(--occ-dur) var(--occ-ease);
}

.gr-action-toolbar .btn:hover {
    background: var(--occ-surface-2);
    border-color: var(--occ-line-strong);
    color: var(--occ-ink);
    transform: translateY(-1px);
}

.gr-action-toolbar .btn i {
    font-size: 0.95rem;
    color: var(--occ-ink-faint);
    transition: color var(--occ-dur) var(--occ-ease);
}

.gr-action-toolbar .btn:hover i {
    color: var(--occ-accent);
}

.gr-action-toolbar .btn-primary {
    background: var(--occ-accent);
    color: #fff;
    border-color: var(--occ-accent);
}

.gr-action-toolbar .btn-primary:hover {
    background: color-mix(in srgb, var(--occ-accent) 85%, #000000);
    color: #fff;
}

.gr-action-toolbar .btn-primary i {
    color: rgba(255, 255, 255, 0.85);
}

/* ------------------------------
 *  EMPTY STATE
 * ------------------------------ */
.gr-empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    color: var(--occ-ink-faint);
    text-align: center;
    flex: 1 1 0%;
}

.gr-empty-state.visible {
    display: flex;
}

.gr-empty-state i {
    font-size: 3rem;
    color: var(--occ-ink-faint);
    margin-bottom: 0.75rem;
    opacity: 0.4;
}

.gr-empty-state p {
    font-size: 0.9rem;
    margin: 0;
}

/* ------------------------------
 *  DARK MODE
 * ------------------------------ */
[data-color-theme="dark"] .gr-sidebar,
[data-color-theme="dark"] .gr-table-wrap,
[data-color-theme="dark"] .gr-board-header,
[data-color-theme="dark"] .gr-detail-panel,
[data-color-theme="dark"] .gr-action-toolbar {
    background: var(--occ-surface);
}

[data-color-theme="dark"] .gr-table tbody tr[data-situacao="CANCELADA"] { background: rgba(139, 92, 246, 0.09); }
[data-color-theme="dark"] .gr-table tbody tr[data-situacao="USADA"]     { background: rgba(239, 68, 68, 0.08); }
[data-color-theme="dark"] .gr-table tbody tr[data-situacao="NOSHOW"]    { background: rgba(245, 158, 11, 0.10); }
[data-color-theme="dark"] .gr-table tbody tr[data-tipo="BLOQUEIO"]      { background: rgba(59, 130, 246, 0.09); }
[data-color-theme="dark"] .gr-table tbody tr[data-tipo="GRUPO"]         { background: rgba(16, 185, 129, 0.09); }

[data-color-theme="dark"] .gr-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.04) !important;
}

[data-color-theme="dark"] .gr-table tbody tr.selected {
    background: var(--occ-accent-soft) !important;
}