:root {
    color-scheme: dark;
    --bg: #0f172a;
    --bg-soft: #17233f;
    --panel: rgba(30, 41, 59, 0.58);
    --panel-strong: rgba(30, 41, 59, 0.82);
    --line: rgba(148, 163, 184, 0.25);
    --text: #e2e8f0;
    --muted: #94a3b8;
    --accent: #7dd3fc;
    --warn: #fca5a5;
    --module-teal: #5eead4;
    --module-cyan: #67e8f9;
    --module-amber: #fcd34d;
    --module-blue: #93c5fd;
    --module-rose: #fda4af;
    --module-emerald: #86efac;
    --module-purple: #c4b5fd;
}

html.light {
    color-scheme: light;
    --bg: #e9eef6;
    --bg-soft: #dde4ef;
    --panel: rgba(246, 249, 253, 0.88);
    --panel-strong: #f3f6fb;
    --line: rgba(51, 65, 85, 0.2);
    --text: #182238;
    --muted: #5b6b84;
    --accent: #3159d4;
    --warn: #9f1239;
    --module-teal: #0f766e;
    --module-cyan: #0369a1;
    --module-amber: #a16207;
    --module-blue: #1d4ed8;
    --module-rose: #be123c;
    --module-emerald: #15803d;
    --module-purple: #6d28d9;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Noto Sans", "Be Vietnam Pro", sans-serif;
    background: radial-gradient(circle at top right, #1e3a8a44, transparent 40%), var(--bg);
    color: var(--text);
    min-height: 100vh;
}

html.light body {
    background:
        radial-gradient(circle at top right, #8fb5ff55, transparent 46%),
        radial-gradient(circle at top left, #c5d4ff55, transparent 38%),
        var(--bg);
}

.container {
    width: min(1180px, 100% - 24px);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    backdrop-filter: blur(10px);
    background: color-mix(in srgb, var(--bg) 85%, transparent);
    border-bottom: 1px solid var(--line);
}

.topbar {
    min-height: 68px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(140deg, #2563eb, #4338ca);
    display: grid;
    place-items: center;
    font-weight: 800;
    color: #fff;
}

.brand-text h1 {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.1;
}

.brand-text span {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    font-weight: 700;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.date-chip {
    margin: 0;
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.82rem;
    color: var(--muted);
    background: color-mix(in srgb, var(--panel) 70%, transparent);
}

.theme-toggle {
    width: 38px;
    height: 38px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: color-mix(in srgb, var(--panel) 85%, transparent);
    color: var(--text);
    cursor: pointer;
}

.page-content {
    padding: 20px 0 34px;
}

.hero h2 {
    margin: 0 0 14px;
    font-size: clamp(1.45rem, 2.6vw, 2.1rem);
}

.hero h2 span {
    color: var(--accent);
}

.lookup-panel,
.detail-panel,
.module-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--panel);
    backdrop-filter: blur(8px);
}

.lookup-panel {
    padding: 16px;
    margin-bottom: 14px;
}

.lookup-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 8px;
}

.lookup-head h3 {
    margin: 0;
    font-size: 1.1rem;
}

.field-label {
    display: block;
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 0.85rem;
}

.employee-select {
    width: 100%;
    min-height: 46px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--panel-strong);
    color: var(--text);
    padding: 0 12px;
    font-size: 1rem;
}

.employee-select:focus {
    outline: 2px solid #38bdf8;
    outline-offset: 1px;
}

.employee-picker-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

.employee-picker-btn {
    flex: 1;
    min-height: 46px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--panel-strong);
    color: var(--text);
    padding: 0 12px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    text-align: left;
    cursor: pointer;
}

.employee-picker-btn:focus {
    outline: 2px solid #38bdf8;
    outline-offset: 1px;
}

.employee-picker-btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.employee-picker-value {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.employee-picker-caret {
    font-size: 1.1rem;
    color: var(--muted);
}

.employee-picker-clear {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: color-mix(in srgb, var(--panel) 85%, transparent);
    color: var(--muted);
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
}

.employee-picker-clear:hover {
    color: var(--text);
}

.picker-modal {
    position: fixed;
    inset: 0;
    z-index: 85;
    display: grid;
    place-items: center;
    padding: 12px;
}

.picker-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.52);
    backdrop-filter: blur(2px);
}

.picker-card {
    position: relative;
    width: min(1120px, 100%);
    max-height: min(88vh, 980px);
    border-radius: 16px;
    border: 1px solid var(--line);
    background: var(--panel-strong);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    overflow: hidden;
}

.picker-head {
    display: grid;
    grid-template-columns: 42px 1fr 42px;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
}

.picker-head h3 {
    margin: 0;
    font-size: 1.8rem;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    grid-column: 2;
}

#personnel-picker-back {
    grid-column: 1;
    justify-self: start;
}

#personnel-picker-close {
    grid-column: 3;
    justify-self: end;
}

.picker-icon-btn {
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: color-mix(in srgb, var(--panel) 85%, transparent);
    color: var(--muted);
    font-size: 2rem;
    line-height: 1;
    display: grid;
    place-items: center;
    cursor: pointer;
}

.picker-icon-btn:hover {
    color: var(--text);
}

.picker-grid {
    max-height: calc(88vh - 88px);
    overflow: auto;
    padding: 14px 16px 16px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(126px, 1fr));
    gap: 10px;
}

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

.picker-letter-btn,
.picker-name-btn {
    border: 1px solid color-mix(in srgb, var(--accent) 42%, var(--line));
    border-radius: 14px;
    background: color-mix(in srgb, var(--panel-strong) 95%, transparent);
    color: var(--accent);
    cursor: pointer;
    min-height: 90px;
    font-size: 1.6rem;
    font-weight: 700;
}

.picker-letter-btn:hover,
.picker-name-btn:hover {
    border-color: color-mix(in srgb, var(--accent) 72%, var(--line));
    transform: translateY(-1px);
}

.picker-name-btn {
    color: var(--text);
    display: grid;
    justify-items: start;
    align-content: center;
    gap: 4px;
    text-align: left;
    padding: 10px 14px;
    min-height: 106px;
    font-size: 1rem;
}

.picker-name-btn strong {
    font-size: 1.8rem;
    line-height: 1.15;
    color: var(--accent);
}

.picker-name-btn span {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.3;
}

.detail-panel {
    padding: 16px;
    margin-bottom: 18px;
}

.detail-head h3 {
    margin: 0;
    font-size: 1.55rem;
}

.detail-head p {
    margin: 6px 0 14px;
}

.detail-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr;
}

.detail-card {
    background: color-mix(in srgb, var(--panel-strong) 92%, transparent);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px;
}

.detail-card h4 {
    margin: 0 0 10px;
    font-size: 1rem;
}

.table-wrap {
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 12px;
}

.courses-mobile-list {
    display: none;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 620px;
}

th, td {
    padding: 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
    font-size: 0.92rem;
}

th {
    background: color-mix(in srgb, var(--bg-soft) 75%, transparent);
    font-size: 0.88rem;
}

tbody tr:last-child td {
    border-bottom: none;
}

.course-warning {
    background: #fef2f2;
}

.course-warning td {
    color: #7f1d1d !important;
    text-shadow: 0 0 0 transparent;
    font-weight: 700;
}

:root:not(.light) .course-warning {
    background: color-mix(in srgb, #7f1d1d 32%, transparent);
}

:root:not(.light) .course-warning td {
    color: #fee2e2 !important;
}

.stopcard-card p {
    margin: 6px 0;
    font-size: 0.92rem;
}

.stopcard-pending-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.pending-detail-btn {
    margin-left: auto;
    border: none;
    background: transparent;
    color: #3b82f6;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
    padding: 0;
}

.pending-detail-btn:hover {
    color: #2563eb;
}

.pending-modal {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: grid;
    place-items: center;
    padding: 12px;
}

.pending-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.52);
    backdrop-filter: blur(2px);
}

.pending-modal-card {
    position: relative;
    width: min(1220px, 100%);
    max-height: min(88vh, 980px);
    overflow: hidden;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: var(--panel-strong);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.pending-modal-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    padding: 16px 18px 12px;
    border-bottom: 1px solid var(--line);
}

.pending-modal-head h3 {
    margin: 0 0 4px;
    font-size: 1.75rem;
}

.pending-modal-close {
    width: 40px;
    height: 40px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: color-mix(in srgb, var(--panel) 85%, transparent);
    color: var(--muted);
    font-size: 1.85rem;
    line-height: 1;
    cursor: pointer;
}

.pending-modal-close:hover {
    color: var(--text);
}

.pending-modal-table-wrap {
    overflow: auto;
    max-height: calc(88vh - 94px);
}

.pending-modal-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 980px;
}

.pending-modal-table th,
.pending-modal-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
    font-size: 0.95rem;
}

.pending-modal-table th {
    font-size: 0.88rem;
    letter-spacing: 0.06em;
}

.pending-modal-mobile-list {
    display: none;
}

.pending-mobile-item {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: color-mix(in srgb, var(--panel-strong) 96%, transparent);
    padding: 10px;
    display: grid;
    gap: 8px;
}

.pending-mobile-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.pending-mobile-head strong {
    font-size: 0.96rem;
}

.pending-mobile-row {
    display: grid;
    gap: 2px;
}

.pending-mobile-row span {
    color: var(--muted);
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pending-mobile-row strong {
    color: var(--text);
    font-size: 0.92rem;
    line-height: 1.35;
    word-break: break-word;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 9px;
    font-size: 0.9rem;
    font-weight: 700;
}

.status-pill.status-pending {
    background: #eef2f7;
    color: #475569;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 10px;
}

.module-card {
    text-decoration: none;
    color: var(--text);
    padding: 12px;
    min-height: 92px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.16s ease, border-color 0.16s ease;
}

.module-card:hover {
    transform: translateY(-2px);
    border-color: rgba(125, 211, 252, 0.7);
}

html.light .module-card:hover {
    border-color: rgba(49, 89, 212, 0.45);
}

.module-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--muted);
}

.module-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: currentColor;
    opacity: 0.8;
}

.module-card h3 {
    margin: 0;
    font-size: 0.96rem;
    line-height: 1.25;
}

.module-teal { color: var(--module-teal); }
.module-cyan { color: var(--module-cyan); }
.module-amber { color: var(--module-amber); }
.module-blue { color: var(--module-blue); }
.module-rose { color: var(--module-rose); }
.module-emerald { color: var(--module-emerald); }
.module-purple { color: var(--module-purple); }

.visit-counter-text {
    margin: 2px 0 0;
    color: var(--muted);
    font-size: 0.74rem;
    line-height: 1.25;
}

.site-footer {
    border-top: 1px solid var(--line);
    text-align: center;
    padding: 8px 10px 10px;
    color: var(--muted);
    font-size: 0.78rem;
}

.footer-copy {
    margin: 0;
}

.muted {
    color: var(--muted);
}

.error-text {
    color: var(--warn);
    font-size: 0.86rem;
    margin-top: 8px;
}

.hidden {
    display: none !important;
}

body.modal-open {
    overflow: hidden;
}

@media (max-width: 779px) {
    .container {
        width: min(100% - 14px, 1180px);
    }

    .topbar {
        min-height: 62px;
    }

    .brand-text h1 {
        font-size: 1rem;
    }

    .brand-text span {
        font-size: 0.64rem;
    }

    .date-chip {
        padding: 7px 10px;
        font-size: 0.76rem;
    }

    .hero h2 {
        font-size: 1.45rem;
        margin-bottom: 10px;
    }

    .lookup-panel,
    .detail-panel {
        padding: 12px;
        border-radius: 14px;
    }

    .detail-head h3 {
        font-size: 1.15rem;
    }

    .detail-head p {
        margin-bottom: 10px;
        font-size: 0.95rem;
    }

    .detail-card {
        border-radius: 12px;
        padding: 10px;
        overflow: hidden;
    }

    .employee-picker-btn {
        min-height: 44px;
        font-size: 0.98rem;
    }

    .employee-picker-clear {
        width: 36px;
        height: 36px;
        font-size: 1.4rem;
    }

    .course-table-wrap {
        display: none;
    }

    .courses-mobile-list {
        display: grid;
        gap: 8px;
    }

    .course-mobile-item {
        border: 1px solid var(--line);
        border-radius: 10px;
        background: color-mix(in srgb, var(--panel-strong) 96%, transparent);
        padding: 10px;
    }

    .course-mobile-item h5 {
        margin: 0 0 8px;
        font-size: 0.97rem;
        line-height: 1.35;
    }

    .course-mobile-meta p {
        margin: 6px 0;
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 10px;
        font-size: 0.86rem;
    }

    .course-mobile-meta span {
        color: var(--muted);
    }

    .course-mobile-meta strong {
        color: var(--text);
        text-align: right;
        font-weight: 600;
        max-width: 54%;
    }

    .course-mobile-warning {
        background: #fef2f2;
        border-color: #fecaca;
    }

    .course-mobile-warning h5,
    .course-mobile-warning .course-mobile-meta span,
    .course-mobile-warning .course-mobile-meta strong {
        color: #7f1d1d;
        text-shadow: 0 0 0 transparent;
    }

    :root:not(.light) .course-mobile-warning {
        background: color-mix(in srgb, #7f1d1d 34%, transparent);
        border-color: rgba(252, 165, 165, 0.58);
    }

    :root:not(.light) .course-mobile-warning h5,
    :root:not(.light) .course-mobile-warning .course-mobile-meta span,
    :root:not(.light) .course-mobile-warning .course-mobile-meta strong {
        color: #fee2e2;
    }

    .module-card {
        min-height: 80px;
        padding: 11px;
    }

    .module-card h3 {
        font-size: 0.9rem;
    }

    .site-footer {
        padding: 8px 8px 12px;
    }

    .picker-modal {
        padding: 8px;
    }

    .picker-card {
        border-radius: 14px;
    }

    .picker-head {
        grid-template-columns: 34px 1fr 34px;
        padding: 10px 12px;
    }

    .picker-head h3 {
        font-size: 1.2rem;
    }

    .picker-icon-btn {
        width: 34px;
        height: 34px;
        font-size: 1.6rem;
    }

    .picker-grid {
        max-height: calc(88vh - 70px);
        padding: 10px 12px 12px;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 8px;
    }

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

    .picker-letter-btn {
        min-height: 68px;
        font-size: 1.2rem;
        border-radius: 12px;
    }

    .picker-name-btn {
        min-height: 84px;
        border-radius: 12px;
        padding: 9px 10px;
    }

    .picker-name-btn strong {
        font-size: 1.3rem;
    }

    .picker-name-btn span {
        font-size: 0.76rem;
    }

    .pending-modal {
        padding: 10px;
    }

    .pending-modal-card {
        border-radius: 14px;
    }

    .pending-modal-head {
        padding: 12px 12px 10px;
    }

    .pending-modal-head h3 {
        font-size: 1.28rem;
    }

    .pending-modal-close {
        width: 34px;
        height: 34px;
        font-size: 1.5rem;
    }

    .pending-modal-table-wrap {
        display: none;
    }

    .pending-modal-mobile-list {
        display: grid;
        gap: 8px;
        max-height: calc(88vh - 84px);
        overflow: auto;
        padding: 10px 12px 12px;
    }

    .pending-mobile-item {
        border-radius: 10px;
        padding: 9px;
    }

    .pending-mobile-head strong {
        font-size: 0.9rem;
    }

    .pending-mobile-row strong {
        font-size: 0.88rem;
    }

    .pending-detail-btn {
        font-size: 0.8rem;
    }
}

@media (min-width: 780px) {
    .detail-grid {
        grid-template-columns: 1fr 1.55fr;
    }

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