:root {
    --room-primary: #315fbc;
    --room-primary-dark: #244887;
    --room-accent: #0f9f8f;
    --room-success: #2c9b69;
    --room-warning: #d89614;
    --room-danger: #d9534f;
    --room-info: #2c88c7;
    --room-ink: #263244;
    --room-muted: #6b778c;
    --room-line: #e5eaf3;
    --room-soft: #f7f9fc;
    --room-card: #ffffff;
}

body {
    background: var(--room-soft);
    color: var(--room-ink);
}

.container-fluid {
    max-width: 1600px;
}

#wrapper #content-wrapper {
    background: linear-gradient(180deg, #f7f9fc 0%, #eef3f9 100%);
}

.sidebar.bg-gradient-primary {
    background-color: var(--room-primary-dark);
    background-image: linear-gradient(180deg, #315fbc 0%, #244887 72%, #203b6f 100%);
}

.sidebar .sidebar-brand {
    min-height: 4.75rem;
    letter-spacing: 0.02em;
}

.sidebar .sidebar-heading {
    color: rgba(255, 255, 255, 0.58);
    letter-spacing: 0.08em;
}

.sidebar .nav-item .nav-link {
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
    border-radius: 8px;
    margin: 0.08rem 0.6rem;
}

.sidebar .nav-item.active .nav-link,
.sidebar .nav-item .nav-link:hover {
    background: rgba(255, 255, 255, 0.12);
}

.topbar {
    border-bottom: 1px solid var(--room-line);
}

.topbar.shadow {
    box-shadow: 0 0.2rem 1rem rgba(38, 50, 68, 0.06) !important;
}

.card {
    background: var(--room-card);
    border: 1px solid var(--room-line);
    border-radius: 8px;
}

.card.shadow,
.card.shadow-sm {
    box-shadow: 0 0.25rem 1rem rgba(58, 59, 69, 0.08) !important;
}

.card-body {
    padding: 1.25rem;
}

.card-header {
    background: #fff;
    border-bottom: 1px solid var(--room-line);
}

.form-control,
.custom-select,
.btn,
.modal-content,
.alert,
.dropdown-menu {
    border-radius: 8px;
}

.form-control:focus,
.custom-select:focus {
    border-color: #7aa7ee;
    box-shadow: 0 0 0 0.15rem rgba(78, 115, 223, 0.18);
}

.btn {
    font-weight: 600;
}

.btn-primary {
    background-color: var(--room-primary);
    border-color: var(--room-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--room-primary-dark);
    border-color: var(--room-primary-dark);
}

.btn-info {
    background-color: var(--room-info);
    border-color: var(--room-info);
}

.btn-success {
    background-color: var(--room-success);
    border-color: var(--room-success);
}

.btn-sm {
    border-radius: 6px;
}

.table {
    background-color: #fff;
}

.table th {
    border-top: 0;
    color: #4e5d78;
    font-size: 0.82rem;
    letter-spacing: 0.01em;
}

.table td {
    vertical-align: middle;
}

.room-table thead th {
    background: #f8fafd;
    border-bottom: 1px solid var(--room-line);
    color: var(--room-muted);
}

.modal-header,
.modal-footer {
    background-color: #f8f9fc;
}

.collapse-inner .collapse-item {
    border-radius: 6px;
    margin: 0.1rem 0.35rem;
}

.swal2-popup {
    border-radius: 8px;
}

.swal2-title {
    color: #2f3a4a;
}

.room-page-header {
    align-items: flex-end;
    background: linear-gradient(135deg, #ffffff 0%, #eef5ff 100%);
    border: 1px solid var(--room-line);
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding: 1.35rem 1.5rem;
}

.room-page-header h1 {
    color: var(--room-ink);
    font-size: 1.65rem;
    font-weight: 800;
    margin: 0.15rem 0 0.35rem;
}

.room-page-header p {
    color: var(--room-muted);
    margin: 0;
}

.room-eyebrow {
    color: var(--room-accent);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.room-header-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.room-summary-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 1.5rem;
}

.room-summary-card {
    align-items: center;
    background: #fff;
    border: 1px solid var(--room-line);
    border-left: 4px solid var(--room-primary);
    border-radius: 8px;
    box-shadow: 0 0.25rem 1rem rgba(58, 59, 69, 0.06);
    display: flex;
    gap: 0.9rem;
    padding: 1rem;
}

.room-summary-card span,
.room-summary-card small {
    color: var(--room-muted);
    display: block;
}

.room-summary-card strong {
    color: var(--room-ink);
    display: block;
    font-size: 1.75rem;
    line-height: 1.1;
    margin: 0.15rem 0;
}

.summary-icon {
    align-items: center;
    background: rgba(49, 95, 188, 0.1);
    border-radius: 8px;
    color: var(--room-primary);
    display: flex;
    height: 44px;
    justify-content: center;
    width: 44px;
}

.summary-success {
    border-left-color: var(--room-success);
}

.summary-success .summary-icon {
    background: rgba(44, 155, 105, 0.12);
    color: var(--room-success);
}

.summary-warning {
    border-left-color: var(--room-warning);
}

.summary-warning .summary-icon {
    background: rgba(216, 150, 20, 0.14);
    color: var(--room-warning);
}

.summary-danger {
    border-left-color: var(--room-danger);
}

.summary-danger .summary-icon {
    background: rgba(217, 83, 79, 0.12);
    color: var(--room-danger);
}

.room-panel {
    background: #fff;
    border: 1px solid var(--room-line);
    border-radius: 8px;
    box-shadow: 0 0.25rem 1rem rgba(58, 59, 69, 0.06);
    padding: 1.25rem;
}

.room-panel-header {
    align-items: flex-start;
    border-bottom: 1px solid var(--room-line);
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.9rem;
}

.room-panel-header h2 {
    color: var(--room-ink);
    font-size: 1.05rem;
    font-weight: 800;
    margin: 0 0 0.2rem;
}

.room-panel-header p {
    color: var(--room-muted);
    margin: 0;
}

.room-panel-header a {
    color: var(--room-primary);
    font-weight: 700;
}

.room-timeline-list {
    display: grid;
    gap: 0.8rem;
}

.room-timeline-item {
    align-items: stretch;
    border: 1px solid var(--room-line);
    border-radius: 8px;
    display: grid;
    grid-template-columns: 72px 1fr;
    overflow: hidden;
}

.timeline-date {
    align-items: center;
    background: #f2f6fc;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.timeline-date strong {
    color: var(--room-primary);
    font-size: 1.45rem;
    line-height: 1;
}

.timeline-date span {
    color: var(--room-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.timeline-content {
    padding: 0.85rem 1rem;
}

.timeline-content h3 {
    color: var(--room-ink);
    font-size: 0.98rem;
    font-weight: 800;
    margin: 0 0 0.35rem;
}

.timeline-content p {
    color: var(--room-muted);
    margin: 0;
}

.room-metric-stack {
    display: grid;
    gap: 0.7rem;
    margin-bottom: 1rem;
}

.room-chart-wrap {
    height: 260px;
    position: relative;
}

.room-metric-row {
    align-items: center;
    background: #f8fafd;
    border: 1px solid var(--room-line);
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0.9rem;
}

.room-metric-row span {
    color: var(--room-muted);
}

.room-metric-row i {
    color: var(--room-primary);
    margin-right: 0.35rem;
}

.room-metric-row strong {
    color: var(--room-ink);
}

.room-quick-actions {
    display: grid;
    gap: 0.7rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.room-action-tile {
    align-items: center;
    background: #fff;
    border: 1px solid var(--room-line);
    border-radius: 8px;
    color: var(--room-ink);
    display: flex;
    gap: 0.6rem;
    padding: 0.8rem;
    text-decoration: none;
}

.room-action-tile:hover {
    border-color: #b9c9e8;
    color: var(--room-primary);
    text-decoration: none;
}

.room-action-tile i {
    color: var(--room-accent);
}

.room-empty-state {
    align-items: center;
    color: var(--room-muted);
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    justify-content: center;
    min-height: 150px;
    text-align: center;
}

.room-empty-state.compact {
    min-height: 90px;
}

.room-empty-state i {
    color: #b7c2d4;
    font-size: 2rem;
}

.room-empty-state p {
    margin: 0;
}

.badge {
    border-radius: 999px;
    font-weight: 700;
    padding: 0.42em 0.7em;
}

.room-public-page {
    background: linear-gradient(135deg, #f7f9fc 0%, #edf4fb 100%);
    min-height: 100vh;
}

.room-public-shell {
    align-items: center;
    display: flex;
    min-height: 100vh;
    padding: 2rem;
}

.room-public-hero {
    align-items: center;
    background: #fff;
    border: 1px solid var(--room-line);
    border-radius: 8px;
    box-shadow: 0 1rem 2.5rem rgba(38, 50, 68, 0.12);
    display: grid;
    gap: 2rem;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.95fr);
    margin: 0 auto;
    max-width: 1180px;
    overflow: hidden;
    width: 100%;
}

.room-public-copy {
    padding: 3rem;
}

.room-public-copy h1 {
    color: var(--room-ink);
    font-size: 2.35rem;
    font-weight: 800;
    margin: 0.35rem 0 1rem;
}

.room-public-copy p {
    color: var(--room-muted);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.room-public-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.room-public-summary {
    display: grid;
    gap: 0.85rem;
}

.room-public-summary .room-summary-card {
    box-shadow: none;
    padding: 0.9rem;
}

.room-public-media {
    background: linear-gradient(180deg, #eef5ff 0%, #f8fafd 100%);
    height: 100%;
    min-height: 520px;
}

.room-public-media img {
    height: 100%;
    object-fit: cover;
    object-position: center;
    width: 100%;
}

@media (max-width: 1199.98px) {
    .room-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767.98px) {
    .room-page-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 1rem;
    }

    .room-summary-grid,
    .room-quick-actions {
        grid-template-columns: 1fr;
    }

    .room-timeline-item {
        grid-template-columns: 58px 1fr;
    }

    .room-public-shell {
        padding: 1rem;
    }

    .room-public-hero {
        grid-template-columns: 1fr;
    }

    .room-public-copy {
        padding: 2rem 1.25rem;
    }

    .room-public-copy h1 {
        font-size: 1.85rem;
    }

    .room-public-media {
        min-height: 280px;
        order: -1;
    }
}