/* ── Phone gate — visible only on screens narrower than 768px ── */
    .d2-phone-gate {
        display: none;
    }
    @media (max-width: 767px) {
        .d2-phone-gate {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            position: fixed;
            inset: 0;
            z-index: 99999;
            background: #fff;
            padding: 2rem;
        }
    }

    /* ── Combined header bar ── */
    .d2-header {
        background: #fff;
        border-bottom: 1px solid #dee2e6;
        box-shadow: 0 1px 6px rgba(0,0,0,0.07);
        padding: 0.5rem 1rem 0;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.5rem;
        position: sticky;
        top: 0;
        z-index: 100;
    }
    .d2-location {
        font-size: 1.1rem;
        font-weight: 800;
        color: #0b2447;
        white-space: nowrap;
        letter-spacing: -0.01em;
    }
    .d2-page-title {
        font-size: 1.35rem;
        font-weight: 900;
        text-transform: uppercase;
        letter-spacing: -0.02em;
        color: #212529;
        white-space: nowrap;
        line-height: 1;
        -webkit-text-stroke: 0.6px #212529;
    }
    .d2-divider {
        width: 1px;
        height: 32px;
        background: #dee2e6;
        flex-shrink: 0;
    }
    /* Each picker is a self-contained pill control */
    .d2-nav-group {
        display: flex;
        align-items: stretch;
        height: 40px;
        width: 160px;
        flex-shrink: 0;
        border: 1.5px solid #dee2e6;
        border-radius: 10px;
        overflow: hidden;
        background: #f8f9fa;
    }
    /* Single-button variant: e.g. a date button that opens a modal instead of a prev/select/next trio */
    .d2-nav-group--btn {
        width: auto;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
        padding: 0 0.75rem;
        color: #212529;
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-nav-group--btn:hover { background: #e9ecef; }
    }
    .d2-nav-group--btn:active { background: #dee2e6;
    }
    .d2-nav-btn {
        background: transparent;
        border: none;
        color: #6c757d;
        font-size: 1.1rem;
        line-height: 1;
        width: 38px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: background 0.1s, color 0.1s;
        flex-shrink: 0;
        -webkit-tap-highlight-color: transparent;
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-nav-btn:hover  { background: #e9ecef; color: #0b2447; }
    }
    .d2-nav-btn:active { background: #dee2e6; }
    .d2-nav-center {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 0.5rem;
        border-left: 1.5px solid #dee2e6;
        border-right: 1.5px solid #dee2e6;
        background: #fff;
        min-width: 0;
    }
    .d2-nav-value {
        font-size: 0.88rem;
        font-weight: 700;
        color: #212529;
        white-space: nowrap;
    }
    .d2-nav-select {
        background: transparent;
        border: none;
        font-size: 0.88rem;
        font-weight: 700;
        color: #212529;
        padding: 0;
        cursor: pointer;
        text-align: center;
        text-align-last: center;
        min-width: 80px;
        max-width: 140px;
        appearance: none;
        -webkit-appearance: none;
    }
    .d2-nav-select:focus { outline: none; }
    .d2-loc-wrap {
        display: flex;
        align-items: center;
        gap: 0.3rem;
        cursor: pointer;
        flex-shrink: 0;
    }
    .d2-loc-chevron {
        font-size: 0.8rem;
        color: #6c757d;
        flex-shrink: 0;
        pointer-events: none;
    }
    .d2-loc-select {
        appearance: none;
        -webkit-appearance: none;
        border: none;
        background: transparent;
        font-size: 0.9rem;
        font-weight: 700;
        color: #212529;
        padding: 0;
        cursor: pointer;
        max-width: 200px;
    }
    .d2-loc-select:focus { outline: none; }
    /* Second row — always full width */
    .d2-row2 {
        flex-basis: 100%;
        order: 10;
        display: flex;
        align-items: center;
        padding-bottom: 0.3rem;
        gap: 0.75rem;
    }
    .d2-ds-badge {
        display: flex;
        flex-direction: column;
        line-height: 1.2;
        min-width: 130px;
    }
    .d2-ds-badge-label {
        font-size: 0.62rem;
        text-transform: uppercase;
        letter-spacing: 0.06em;
        color: #adb5bd;
        font-weight: 600;
    }
    .d2-ds-badge-name {
        font-size: 0.85rem;
        font-weight: 700;
        color: #004963;
        white-space: nowrap;
    }
    /* Pickers group — centered in second row */
    .d2-pickers-center {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 1rem;
    }
    /* DS Tools */
    .d2-tools-btn, .d2-note-btn {
        height: 40px;
        padding: 0 0.9rem;
        border: none;
        border-radius: 10px;
        font-size: 0.82rem;
        font-weight: 600;
        display: flex;
        align-items: center;
        gap: 0.4rem;
        cursor: pointer;
        white-space: nowrap;
        flex-shrink: 0;
        box-sizing: border-box;
        color: #fff;
    }
    .d2-tools-btn { background: var(--gf-teal, #007aa5); }
    .d2-note-btn  { background: var(--gf-navy, #004963); margin-left: auto; }
    .d2-tools-btn:active, .d2-note-btn:active { opacity: 0.85; }
    .d2-tools-dropdown {
        position: absolute;
        top: calc(100% + 6px);
        left: 0;
        background: #fff;
        border: 1px solid #dee2e6;
        border-radius: 10px;
        box-shadow: 0 4px 16px rgba(0,0,0,0.13);
        min-width: 180px;
        z-index: 200;
        overflow: hidden;
    }
    .d2-tools-item {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        padding: 0.75rem 1rem;
        font-size: 0.88rem;
        font-weight: 500;
        color: #212529;
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
        cursor: pointer;
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-tools-item:hover { background: #f8f9fa; }
    }
    .d2-tools-item + .d2-tools-item { border-top: 1px solid #f0f0f0; }
    /* Refresh area */
    .d2-header-end {
        margin-left: auto;
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
        flex-shrink: 0;
        position: relative;
    }
    .d2-refresh-btn {
        background: transparent;
        border: none;
        color: #6c757d;
        font-size: 1.1rem;
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        border-radius: 8px;
        transition: background 0.12s, color 0.12s;
        -webkit-tap-highlight-color: transparent;
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-refresh-btn:hover:not(:disabled) { background: #f0f0f0; color: #0b2447; }
    }
    .d2-refresh-btn:disabled { opacity: 0.4; cursor: default; }
    .d2-sync {
        font-size: 0.55rem;
        color: #adb5bd;
        white-space: nowrap;
        line-height: 1;
    }

    .d2-logout-btn {
        display: flex; align-items: center; justify-content: center;
        width: 2rem; height: 2rem; border-radius: 50%;
        color: #6c757d; font-size: 1.1rem;
        text-decoration: none;
        transition: background 0.12s, color 0.12s;
        -webkit-tap-highlight-color: transparent;
        flex-shrink: 0;
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-logout-btn:hover { background: #f0f0f0; color: #dc3545; }
    }

    /* ── Class info bar (part of sticky header — no gap possible) ── */
    .d2-class-bar {
        flex-basis: calc(100% + 2rem);
        order: 20;
        height: 2.75rem; padding: 0 1rem;
        display: flex; align-items: center; gap: 0.6rem; flex-wrap: nowrap;
        overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch;
        border-top: 1.5px solid rgba(0,0,0,0.18);
        border-bottom: 1.5px solid rgba(0,0,0,0.18);
        border-left: none;
        border-right: none;
        margin: 0.25rem -1rem 0;
    }
    .d2-class-level {
        font-size: 0.9rem; font-weight: 900;
        padding: 0.15rem 0.75rem;
        border-radius: 999px;
        border: 2px solid currentColor;
        white-space: nowrap;
        display: inline-flex; align-items: center;
        flex-shrink: 0;
    }
    .d2-class-name {
        font-size: 0.9rem; font-weight: 700; color: #212529;
        flex: 0 1 auto; min-width: 6rem;
        overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    }
    .d2-class-instructor { font-size: 0.85rem; color: #495057; flex-shrink: 0; }
    .d2-class-capacity {
        font-size: 1rem; font-weight: 800;
        white-space: nowrap;
    }
    .d2-class-bar-end {
        margin-left: auto; flex-shrink: 0;
        display: flex; align-items: center; gap: 0.6rem;
    }

    /* Content wrapper — guarantees a full-viewport swipe hit-area even when a
       lane has too few cards to fill the screen (otherwise swipes below the
       last card land outside this div and are silently ignored). */
    .d2-swipe-area {
        min-height: 100dvh;
        touch-action: pan-y;
        /* Gray backdrop lives here (not on .d2-grid) so it always reaches the
           true screen edges — above, below, and to the sides of the cards —
           regardless of how many cards there are or how the grid columns lay
           out. Holds up in bright/glary light far better than a thin border
           line between cards would. */
        background: #e6ebee;
    }

    /* ── Student grid ── */
    .d2-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(480px, 1fr));
        grid-auto-rows: 220px;
        align-items: stretch;
        gap: 0.65rem;
        padding: 0.5rem 1.5rem 6rem;
    }
    .d2-grid-fade {
        animation: d2-grid-fade-in 0.25s ease-out;
    }
    @keyframes d2-grid-fade-in {
        0%   { opacity: 0; }
        100% { opacity: 1; }
    }
    @keyframes lgExpiredFlash {
        0%, 100% { background-color: transparent; }
        50%       { background-color: rgba(160, 10, 20, 0.45); }
    }
    .d2-grid.lg-expired {
        animation: lgExpiredFlash 1s ease-in-out infinite;
    }
    .d2-footer-btn.lg-running {
        opacity: 1;
        cursor: pointer;
        color: var(--gf-teal, #007aa5);
        border-color: var(--gf-teal, #007aa5);
        background: #e8f4f8;
        font-size: 0.65rem;
    }
    .d2-footer-btn.lg-expired {
        opacity: 1;
        cursor: pointer;
        color: #fff;
        border-color: #dc3545;
        background: #dc3545;
        animation: lgBtnFlash 1s ease-in-out infinite;
    }
    @keyframes lgBtnFlash {
        0%, 100% { background: #dc3545; border-color: #dc3545; }
        50%       { background: #6b0a11; border-color: #6b0a11; }
    }
    .d2-footer-btn.lg-reset-pending {
        opacity: 1;
        cursor: pointer;
        color: #fff;
        border-color: #fd7e14;
        background: #fd7e14;
    }
    .d2-card {
        background: #fff;
        border: 1px solid #dee2e6;
        border-left: 6px solid #6c757d;
        border-radius: 8px;
        /* Always-on shadow (not hover-only — this is a touch device) so each card
           reads as a distinct raised block against the gray gutter behind it. */
        box-shadow: 0 1px 5px rgba(15,30,40,0.14);
        transition: box-shadow 0.15s;
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        grid-template-rows: 1fr 1fr;
        min-height: unset;
        height: 100%;
        overflow: hidden;
        align-self: stretch;
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-card:hover { box-shadow: 0 3px 12px rgba(0,0,0,0.2); }
    }
    .d2-quadrant {
        padding: 0.85rem 1rem;
        display: flex; flex-direction: column; gap: 0.35rem;
        position: relative;
        min-width: 0;
    }
    /* Dev reference tab */
    .d2-devref-pill {
        display: inline-flex; align-items: center; gap: 0.3rem;
        background: #6f42c1; color: #e9d5ff;
        border: none; border-radius: 999px;
        padding: 0.18rem 0.65rem;
        font-size: 0.7rem; font-weight: 700; font-family: 'Courier New', monospace;
        letter-spacing: 0.06em; text-transform: uppercase;
        cursor: pointer; white-space: nowrap; flex-shrink: 0;
        transition: background 0.15s;
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-devref-pill:hover { background: #5a32a3; }
    }
    /* Dev reference modal */
    .dv-modal-backdrop {
        position:fixed; inset:0; background:rgba(0,0,0,0.6); z-index:1050;
        display:flex; align-items:center; justify-content:center;
        /* iOS touch fix: delay pointer-events so the open-tap doesn't immediately close */
        pointer-events: none;
        animation: backdrop-enable 0.01s linear 0.35s forwards;
    }
    .dv-modal { background:#fff; border-radius:12px; width:95vw; height:95vh; overflow:hidden; display:flex; flex-direction:column; box-shadow:0 20px 60px rgba(0,0,0,0.4); pointer-events: auto; }
    .dv-modal-header { background:#1a0a3c; color:#fff; padding:0.7rem 1.2rem; display:flex; align-items:center; gap:1rem; flex-shrink:0; }
    .dv-modal-header .dv-title { font-size:0.85rem; font-weight:700; color:#c084fc; font-family:'Courier New',monospace; letter-spacing:0.05em; white-space:nowrap; }
    .dv-modal-header .dv-close { background:none; border:none; color:#a78bfa; font-size:1.2rem; cursor:pointer; padding:0; line-height:1; margin-left:auto; }
    .dv-quad-tabs { display:flex; gap:0.3rem; }
    .dv-quad-tab { background:transparent; border:1px solid #4a3070; color:#a78bfa; border-radius:6px; padding:0.25rem 0.75rem; font-size:0.8rem; font-weight:700; font-family:'Courier New',monospace; cursor:pointer; letter-spacing:0.04em; transition:background 0.15s; }
    @media (hover: hover) and (pointer: fine) {
    .dv-quad-tab:hover { background:#2d1060; }
    }
    .dv-quad-tab.dv-active { background:#6f42c1; border-color:#6f42c1; color:#fff; }
    .dv-changelog-btn { background:transparent; border:1px solid #ffc720; color:#ffc720; border-radius:6px; padding:0.25rem 0.75rem; font-size:0.75rem; font-weight:700; font-family:'Courier New',monospace; cursor:pointer; letter-spacing:0.04em; transition:background 0.15s; display:flex; align-items:center; gap:0.4rem; }
    @media (hover: hover) and (pointer: fine) {
    .dv-changelog-btn:hover { background:rgba(255,199,32,0.15); }
    }
    .dv-changelog-btn.dv-active { background:#ffc720; color:#1a0a3c; }
    .dv-modal-body { overflow-y:auto; padding:1.4rem 1.6rem; display:grid; grid-template-columns:minmax(280px,42%) 1fr; grid-template-rows:auto 1fr; grid-template-areas:"diagram legend" "mini legend"; column-gap:1.8rem; row-gap:0.8rem; align-items:start; }
    /* Wireframe mockup */
    .dv-mockup { grid-area:diagram; border:2px solid #6f42c1; border-radius:8px; padding:0.75rem 0.9rem; background:#faf8ff; display:flex; flex-direction:column; gap:0.4rem; font-size:0.78rem; }
    .dv-mockup-grid { display:grid; grid-template-columns:1fr 1fr; grid-template-rows:1fr 1fr; gap:0; }
    .dv-mockup-grid > div { border:1px solid #d0c0f0; padding:0.4rem 0.5rem; display:flex; align-items:center; justify-content:center; min-height:2.2rem; }
    .dv-m-name { font-weight:800; color:#1a0a3c; font-size:0.9rem; }
    .dv-m-pill { background:#e9ecef; color:#495057; border-radius:20px; padding:0.1rem 0.5rem; font-size:0.65rem; font-weight:700; }
    .dv-m-datebar { display:flex; justify-content:space-between; color:#6c757d; font-size:0.7rem; border-top:1px solid #e9ecef; border-bottom:1px solid #e9ecef; padding:0.25rem 0; }
    .dv-m-datebar span { display:flex; flex-direction:column; align-items:center; gap:0; }
    .dv-m-datebar .lbl { font-size:0.55rem; font-weight:700; text-transform:uppercase; color:#adb5bd; }
    .dv-m-flags { display:flex; flex-wrap:wrap; gap:0.3rem; }
    .dv-m-flag { font-size:0.65rem; font-weight:700; padding:0.15rem 0.5rem; border-radius:4px; }
    .dv-m-badge { display:flex; flex-direction:column; align-items:center; font-family:'Courier New',monospace; }
    .dv-m-badge .bi { font-size:1.1rem; }
    .dv-m-badge .lbl { font-size:0.42rem; font-weight:800; text-transform:uppercase; }
    .dv-m-bar-wrap { display:flex; flex-direction:column; gap:0.3rem; }
    .dv-m-bar { height:8px; background:#e9ecef; border-radius:4px; overflow:hidden; }
    .dv-m-bar-fill { height:100%; background:#198754; border-radius:4px; }
    /* Callout numbers */
    .dv-c { display:inline-flex; align-items:center; justify-content:center; width:1.1rem; height:1.1rem; background:#6f42c1; color:#fff; border-radius:50%; font-size:0.58rem; font-weight:800; vertical-align:middle; margin-left:0.2rem; flex-shrink:0; }
    .dv-c2 { display:inline-flex; align-items:center; justify-content:center; width:1.1rem; height:1.1rem; background:#f6a01a; color:#fff; border-radius:50%; font-size:0.58rem; font-weight:800; vertical-align:middle; margin-left:0.2rem; flex-shrink:0; }
    /* Legend */
    .dv-legend { grid-area:legend; display:flex; flex-direction:column; gap:0.45rem; }
    .dv-legend-row { display:flex; gap:0.6rem; align-items:flex-start; font-size:0.8rem; }
    .dv-legend-row .dv-c { flex-shrink:0; margin-top:0.1rem; margin-left:0; }
    .dv-legend-row .dv-lk { font-weight:700; color:#1a0a3c; }
    .dv-legend-row .dv-ls { color:#6c757d; }
    .dv-legend-row .dv-lsrc { color:#198754; font-family:'Courier New',monospace; font-size:0.75rem; }
    .d2-quadrant--tl { border-bottom: 1px solid #f0f0f0; border-right: 1px solid #f0f0f0; }
    /* TLQ option 6B */
    .d2-age-pill {
        display: inline-block;
        background: #e9ecef; color: #495057;
        font-size: 0.6rem; font-weight: 700;
        padding: 1px 6px; border-radius: 99px;
        text-transform: uppercase; letter-spacing: 0.04em;
        flex-shrink: 0;
    }
    .d2-date-bar {
        display: flex; justify-content: space-between;
        width: 100%;
        font-size: 0.65rem; color: #adb5bd; font-weight: 500;
        white-space: nowrap;
    }
    .d2-date-bar .lbl  { font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; }
    .d2-date-bar .since { color: var(--gf-teal, #007aa5); }
    .d2-date-bar .drop { color: #dc3545; font-weight: 700; }
    .d2-roll-comment {
        display: flex; align-items: center; gap: 0.25rem;
        width: 100%; margin-top: 2px;
        font-size: 0.65rem; font-style: italic; color: #a05a00;
    }
    .d2-roll-comment--empty { color: #ced4da; }
    .d2-roll-comment .bi { flex-shrink: 0; font-size: 0.65rem; }
    .d2-roll-comment .txt { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .d2-tl-badges { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:0.15rem; flex-shrink:0; }
    .d2-tl-badge { display:flex; flex-direction:column; align-items:stretch; gap:0; line-height:1; pointer-events:none; }
    .d2-tl-badge .bi { font-size:1.3rem; filter:drop-shadow(0 1px 2px rgba(0,0,0,0.15)); text-align:center; }
    .d2-tl-badge span.lbl { font-size:0.48rem; font-weight:800; text-transform:uppercase; letter-spacing:0.06em; margin-top:1px; line-height:1.2; text-align:center; }
    .d2-tl-badge span.lbl2 { display:flex; justify-content:space-between; font-size:0.6rem; font-weight:900; line-height:1; }
    .d2-tl-badge--fde .bi { color:var(--gf-orange,#f6a01a); }
    .d2-tl-badge--fde span.lbl, .d2-tl-badge--fde span.lbl2 { color:var(--gf-orange,#f6a01a); }
    .d2-tl-badge--eval .bi { color:#dc3545; }
    .d2-tl-badge--eval span.lbl, .d2-tl-badge--eval span.lbl2 { color:#dc3545; }
    .d2-quadrant--tr { border-bottom: 1px solid #f0f0f0; }
    .d2-quadrant--bl { border-right: 1px solid #f0f0f0; }
    .d2-quadrant--br { padding: 0.5rem 1.1rem; justify-content: space-evenly; }
    /* Attendance buttons */
    .d2-att-btn {
        display: flex; align-items: center; justify-content: center; gap: 0.3rem;
        width: 100%;
        padding: 0.3rem 0.65rem;
        border-radius: 999px;
        border: 2px solid #dee2e6;
        background: #fff;
        font-size: 0.75rem; font-weight: 700;
        color: #adb5bd;
        cursor: pointer;
        transition: all 0.15s;
        -webkit-tap-highlight-color: transparent;
        user-select: none;
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-att-btn--checkin:hover  { border-color: #198754; color: #198754; }
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-att-btn--absent:hover   { border-color: #dc3545; color: #dc3545; }
    }
    .d2-att-btn--checkin.active { background: #198754; border-color: #198754; color: #fff; }
    .d2-att-btn--absent.active  { background: #dc3545; border-color: #dc3545; color: #fff; }

    /* Docked-toggle attendance slider (opt-in via UseAttendanceSlider flag) */
    .d2-attendance-slide-group {
        display: flex; flex-direction: column; justify-content: center;
        gap: 0.35rem; height: 100%; width: 100%;
    }
    .d2-attendance-slide-caption {
        text-align: center; font-size: 0.62rem; font-weight: 600;
        color: #adb5bd; letter-spacing: 0.01em;
    }
    .d2-attendance-slide {
        position: relative;
        width: 100%;
        height: 40px;
        border-radius: 20px;
        overflow: hidden;
        user-select: none;
        transition: background 0.1s;
    }
    .d2-attendance-slide-tracklabel {
        position: absolute; top: 50%; transform: translateY(-50%);
        font-size: 0.66rem; font-weight: 700; letter-spacing: 0.04em;
        z-index: 1; pointer-events: none; transition: opacity 0.15s;
    }
    .d2-attendance-slide-tracklabel.left  { left: 14px; color: #dc3545; }
    .d2-attendance-slide-tracklabel.right { right: 14px; color: #198754; }
    .d2-attendance-slide-label {
        position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
        font-size: 0.78rem; font-weight: 800; letter-spacing: 0.01em;
        pointer-events: none; z-index: 2;
    }
    .d2-attendance-thumb {
        position: absolute; top: 4px;
        width: 32px; height: 32px; border-radius: 50%;
        background: #fff; border: 2px solid rgba(0,0,0,0.15);
        box-shadow: 0 1px 4px rgba(0,0,0,0.28);
        cursor: grab; z-index: 3; touch-action: none;
    }
    .d2-attendance-thumb.grabbing { cursor: grabbing; box-shadow: 0 2px 10px rgba(0,0,0,0.4); }
    .d2-attendance-thumb:focus-visible { outline: 2px solid var(--gf-teal, #007aa5); outline-offset: 2px; }
    /* Attendance stats clickable box */
    .d2-att-stats-btn {
        display: flex; flex-direction: column;
        align-self: stretch;
        padding: 0.2rem 0;
        background: none; border: none; cursor: pointer;
        -webkit-tap-highlight-color: transparent;
        transition: opacity 0.15s;
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-att-stats-btn:hover { opacity: 0.75; }
    }
    .d2-att-stats-btn:active { opacity: 0.5; }
    /* Attendance modal level rows */
    .d2-att-level-row { display: grid; grid-template-columns: 1fr auto auto auto; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem; border-bottom: 1px solid #f0f0f0; }
    .d2-att-level-row:last-child { border-bottom: none; }
    .d2-att-level-row.current { background: #f0f9f4; }
    .d2-att-level-row.totals { background: #f8f9fa; font-weight: 700; border-top: 2px solid #dee2e6; }
    /* Evaluate Now button */
    .d2-eval-btn {
        display: flex; align-items: center; justify-content: center;
        width: auto;
        padding: 0.3rem 0.65rem;
        border-radius: 999px;
        border: 2px solid #dee2e6;
        background: #fff;
        font-size: 0.75rem; font-weight: 700;
        color: #adb5bd;
        cursor: pointer;
        transition: all 0.15s;
        -webkit-tap-highlight-color: transparent;
        user-select: none;
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-eval-btn:hover  { border-color: #0d6efd; color: #0d6efd; }
    }
    .d2-eval-btn.active { background: #0d6efd; border-color: #0d6efd; color: #fff; }
    .d2-att-btn.confirm-pending  { background: #fff3cd; border-color: #f6a01a; color: #b35c00; animation: d2-confirm-pulse 0.6s ease; }
    .d2-eval-btn.confirm-pending { background: #fff3cd; border-color: #f6a01a; color: #b35c00; animation: d2-confirm-pulse 0.6s ease; }
    @keyframes d2-confirm-pulse { 0%{transform:scale(1)} 40%{transform:scale(1.06)} 100%{transform:scale(1)} }
    @keyframes bd-pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.25;transform:scale(0.6)} }
    .d2-card-name {
        font-size: 1.05rem; font-weight: 700; color: #212529;
        line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    }
    .d2-card-age {
        font-size: 0.82rem; color: #6c757d; font-weight: 400;
    }
    .d2-card-flags {
        display: flex; flex-wrap: wrap; gap: 4px;
    }
    .d2-card-divider {
        height: 1px; background: #ced4da; margin: 0.1rem 0;
    }
    .d2-card-stat {
        display: flex; justify-content: space-between;
        font-size: 0.85rem; color: #6c757d;
    }
    .d2-card-stat-val { font-weight: 600; color: #212529; }
    .d2-skill-track {
        height: 6px; border-radius: 3px;
        background: #e9ecef; overflow: hidden; margin-top: 0.15rem;
    }
    .d2-skill-fill {
        height: 100%; border-radius: 3px; transition: width 0.3s;
    }

    /* ── Flags (reuse from deck) ── */
    .deck-flag {
        font-size: 0.75rem; padding: 2px 7px;
        border-radius: 3px; font-weight: 600; white-space: nowrap; line-height: 1.5;
    }
    .deck-flag-trial  { background: #cfe2ff; color: #084298; }
    .deck-flag-new    { background: #d1e7dd; color: #0f5132; }
    .deck-flag-firstday { background: #d1e7dd; color: #0f5132; }
    .deck-flag-birthday { background: #f0ebff; color: #4a1f8c; }
    .deck-flag-allergy  { background: #f8d7da; color: #842029; }
    .deck-flag-alert    { background: #f8d7da; color: #842029; }
    .deck-flag-charges  { background: #ffe5cc; color: #8a4500; }
    .deck-flag-drop     { background: #e2e3e5; color: #41464b; text-decoration: line-through; }
    .deck-flag-moveup    { background: #198754; color: #fff; }
    .deck-flag-almost    { background: #fff3cd; color: #664d03; }
    .deck-flag-absent    { background: #f8d7da; color: #842029; }
    .deck-flag-present   { background: #d1e7dd; color: #0f5132; }
    .deck-flag-makeup    { background: #cff4fc; color: #055160; }
    .deck-flag-casual    { background: #e2e3e5; color: #41464b; }
    .deck-flag-transfer  { background: #cfe2ff; color: #084298; }

    /* TLQ flag row — wraps horizontally along the bottom */
    .d2-tl-flags {
        display: flex; flex-direction: row; flex-wrap: wrap;
        gap: 0.2rem;
    }
    .d2-tl-flags .deck-flag { font-size: 0.65rem; padding: 1px 5px; }

    /* Badge color variants (BLQ) */
    .d2-tl-badge--present .bi { color: #198754; }
    .d2-tl-badge--present span.lbl, .d2-tl-badge--present span.lbl2 { color: #198754; }
    .d2-tl-badge--absent .bi { color: #dc3545; }
    .d2-tl-badge--absent span.lbl, .d2-tl-badge--absent span.lbl2 { color: #dc3545; }
    .d2-tl-badge--todo .bi { color: #f6a01a; }
    .d2-tl-badge--todo span.lbl, .d2-tl-badge--todo span.lbl2 { color: #f6a01a; }
    .d2-tl-badge--todo-none .bi { color: #ccc; }
    .d2-tl-badge--todo-none span.lbl, .d2-tl-badge--todo-none span.lbl2 { color: #ccc; }
    .d2-tl-badge--dad .bi { color: #fd7e14; }
    .d2-tl-badge--dad span.lbl, .d2-tl-badge--dad span.lbl2 { color: #fd7e14; font-weight: 900; }
    .d2-tl-badge--dad-urgent .bi { color: #dc3545; }
    .d2-tl-badge--dad-urgent span.lbl, .d2-tl-badge--dad-urgent span.lbl2 { color: #dc3545; font-weight: 900; }
    .d2-tl-badge--casual .bi { color: #6c757d; }
    .d2-tl-badge--casual span.lbl, .d2-tl-badge--casual span.lbl2 { color: #6c757d; }
    .d2-tl-badge--transfer .bi { color: #0d6efd; }
    .d2-tl-badge--transfer span.lbl, .d2-tl-badge--transfer span.lbl2 { color: #0d6efd; }
    .d2-tl-badge--moveup .bi { color: #198754; }
    .d2-tl-badge--moveup span.lbl, .d2-tl-badge--moveup span.lbl2 { color: #198754; }
    .d2-tl-badge--almost .bi { color: #664d03; }
    .d2-tl-badge--almost span.lbl, .d2-tl-badge--almost span.lbl2 { color: #664d03; }
    .d2-tl-badge--fd-loc .bi { color: #007aa5; }
    .d2-tl-badge--fd-loc span.lbl, .d2-tl-badge--fd-loc span.lbl2 { color: #007aa5; }
    .d2-tl-badge--fd-class .bi { color: #0d6efd; }
    .d2-tl-badge--fd-class span.lbl, .d2-tl-badge--fd-class span.lbl2 { color: #0d6efd; }
    .d2-tl-badge--birthday .bi { color: #6f42c1; }
    .d2-tl-badge--birthday span.lbl, .d2-tl-badge--birthday span.lbl2 { color: #6f42c1; }
    .d2-tl-badge--trial .bi { color: #007aa5; }
    .d2-tl-badge--trial span.lbl, .d2-tl-badge--trial span.lbl2 { color: #007aa5; }
    .d2-tl-badge--makeup .bi { color: #0094ab; }
    .d2-tl-badge--makeup span.lbl, .d2-tl-badge--makeup span.lbl2 { color: #0094ab; }
    .d2-tl-badge--drop .bi { color: #842029; }
    .d2-tl-badge--drop span.lbl, .d2-tl-badge--drop span.lbl2 { color: #842029; }
    .d2-tl-badge--fd-session .bi { color: #6f42c1; }
    .d2-tl-badge--fd-session span.lbl, .d2-tl-badge--fd-session span.lbl2 { color: #6f42c1; }
    .d2-tl-badge--fd-level .bi { color: #6f42c1; }
    .d2-tl-badge--fd-level span.lbl, .d2-tl-badge--fd-level span.lbl2 { color: #6f42c1; }
    .d2-tl-badge--policy .bi { color: #dc3545; }
    .d2-tl-badge--policy span.lbl, .d2-tl-badge--policy span.lbl2 { color: #dc3545; }
    .d2-tl-badge--balance .bi { color: #fd7e14; }
    .d2-tl-badge--balance span.lbl, .d2-tl-badge--balance span.lbl2 { color: #fd7e14; }

    /* ── Evaluation modal ── */
    .deck-eval-overlay {
        position: fixed; inset: 0;
        background: rgba(0,0,0,0.65); z-index: 1060;
        display: flex; align-items: center; justify-content: center;
        padding: 1rem;
        /* iOS touch fix: delay pointer-events so the open-tap doesn't immediately close */
        pointer-events: none;
        animation: backdrop-enable 0.01s linear 0.35s forwards;
    }
    .deck-eval-modal {
        background: #fff; border-radius: 12px;
        width: 100%; max-width: 680px; max-height: 92vh;
        display: flex; flex-direction: column;
        box-shadow: 0 16px 56px rgba(0,0,0,0.35);
        pointer-events: auto;
    }
    .deck-eval-header {
        background: #0b2447; color: #fff;
        padding: 1.1rem 1.5rem 0.9rem;
        border-radius: 12px 12px 0 0;
        display: flex; align-items: flex-start; justify-content: space-between;
        flex-shrink: 0;
    }
    .deck-eval-body {
        flex: 1 1 auto; overflow-y: auto;
        padding: 0.5rem 0;
    }
    .deck-eval-skill-row {
        display: flex; align-items: center; gap: 1rem;
        padding: 0.7rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    .deck-eval-skill-name {
        flex: 1; font-size: 1.05rem; font-weight: 500; color: #212529;
        line-height: 1.3;
    }
    .deck-eval-stars {
        display: flex; gap: 0.1rem; align-items: flex-start; flex-shrink: 0;
    }
    .deck-eval-star-col {
        display: flex; flex-direction: column; align-items: center;
    }
    .deck-eval-star-date {
        font-size: 0.62rem; font-weight: 600; color: #6c757d;
        line-height: 1; min-height: 0.75rem;
        margin-top: -0.15rem;
    }
    .deck-eval-star {
        background: none; border: none;
        padding: 0.2rem 0.15rem;
        font-size: 2.4rem; line-height: 1; cursor: pointer;
        color: #dee2e6;
        transition: transform 0.1s, color 0.12s;
        -webkit-tap-highlight-color: transparent;
        user-select: none;
    }
    @media (hover: hover) and (pointer: fine) {
    .deck-eval-star:hover { transform: scale(1.18); }
    }
    .deck-eval-star.filled-1 { color: #fd7e14; }
    .deck-eval-star.filled-2 { color: #0d6efd; }
    .deck-eval-star.filled-3 { color: #198754; }
    .deck-eval-label {
        width: 78px; text-align: right; flex-shrink: 0;
        font-size: 0.78rem; font-weight: 600; color: #6c757d;
    }
    .deck-eval-footer {
        padding: 0.85rem 1.5rem;
        border-top: 1px solid #dee2e6;
        display: flex; justify-content: flex-end; gap: 0.6rem;
        flex-shrink: 0;
    }
    .deck-eval-passed-btn {
        font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
        letter-spacing: 0.05em; padding: 0.3rem 0.75rem;
        border-radius: 20px; border: 1.5px solid var(--gf-orange, #f6a01a);
        background: transparent; color: var(--gf-orange, #f6a01a);
        cursor: pointer; transition: background 0.15s, color 0.15s;
        white-space: nowrap;
    }
    @media (hover: hover) and (pointer: fine) {
    .deck-eval-passed-btn:hover  { background: rgba(246,160,26,0.15); }
    }
    .deck-eval-passed-btn.active { background: var(--gf-orange, #f6a01a); color: #fff; }
    .deck-eval-confirm-bar {
        background: #fff8ec; border-bottom: 1px solid #f6a01a;
        padding: 0.75rem 1.5rem;
        display: flex; align-items: center; gap: 0.75rem;
        flex-shrink: 0;
    }
    .deck-eval-confirm-bar .msg {
        flex: 1; font-size: 0.85rem; color: #6c3a00; line-height: 1.4;
    }
    .deck-eval-confirm-bar .msg strong { color: #a05a00; }

    /* ── Class-wide eval modal ── */
    .deck-class-eval-overlay {
        position: fixed; inset: 0;
        background: rgba(0,0,0,0.65); z-index: 1061;
        display: flex; align-items: center; justify-content: center;
        padding: 1rem;
        /* iOS touch fix: delay pointer-events so the open-tap doesn't immediately close */
        pointer-events: none;
        animation: backdrop-enable 0.01s linear 0.35s forwards;
    }
    .deck-class-eval-modal {
        background: #fff; border-radius: 12px;
        width: 100%; max-width: 560px; max-height: 92vh;
        display: flex; flex-direction: column;
        box-shadow: 0 16px 56px rgba(0,0,0,0.35);
        pointer-events: auto;
    }
    .deck-class-eval-header {
        background: #0b2447; color: #fff;
        padding: 1rem 1.5rem 0.9rem;
        border-radius: 12px 12px 0 0;
        display: flex; align-items: flex-start; justify-content: space-between;
        flex-shrink: 0;
    }
    .deck-class-eval-header-sub {
        font-size: 0.78rem; opacity: 0.7;
        text-transform: uppercase; letter-spacing: 0.07em;
    }
    .deck-class-eval-header-title {
        font-size: 1.2rem; font-weight: 700; margin-top: 0.2rem;
    }
    .deck-class-eval-nav {
        display: flex; align-items: center; gap: 0.5rem;
        padding: 0.6rem 0.75rem;
        background: #f8f9fa;
        border-bottom: 1px solid #e9ecef;
        flex-shrink: 0;
    }
    .deck-class-eval-nav-btn {
        background: #0b2447; border: none; border-radius: 8px;
        width: 38px; height: 38px; cursor: pointer; flex-shrink: 0;
        display: flex; align-items: center; justify-content: center;
        color: #fff; font-size: 1rem;
        transition: background 0.12s, opacity 0.12s;
        box-shadow: 0 1px 4px rgba(0,0,0,0.2);
    }
    @media (hover: hover) and (pointer: fine) {
    .deck-class-eval-nav-btn:hover:not(:disabled) { background: #1a3a6b; }
    }
    .deck-class-eval-nav-btn:disabled { opacity: 0.2; cursor: default; box-shadow: none; }
    .deck-class-eval-nav-center {
        flex: 1; text-align: center;
    }
    .deck-class-eval-nav-name {
        display: block; font-size: 1rem; font-weight: 700; color: #212529;
    }
    .deck-class-eval-nav-pos {
        display: block; font-size: 0.7rem; color: #6c757d; margin-top: 0.05rem;
    }
    .deck-class-eval-body {
        flex: 1 1 auto; overflow-y: auto; padding: 0;
    }
    .deck-class-eval-row {
        display: flex; align-items: center; gap: 0.75rem;
        padding: 0.6rem 1.25rem;
        border-bottom: 1px solid #f0f0f0;
    }
    .deck-class-eval-row:last-child { border-bottom: none; }
    .deck-class-eval-student-name {
        flex: 1; font-size: 0.95rem; font-weight: 600; color: #212529;
    }
    .deck-class-eval-footer {
        padding: 0.8rem 1.25rem;
        border-top: 1px solid #dee2e6;
        display: flex; justify-content: flex-end; gap: 0.5rem;
        flex-shrink: 0;
    }
    .d2-eval-class-btn {
        background: none; border: 2px solid rgba(0,0,0,0.22); border-radius: 6px;
        font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
        letter-spacing: 0.05em; padding: 0.15rem 0.55rem;
        cursor: pointer; flex-shrink: 0; color: #495057;
        transition: background 0.12s;
        white-space: nowrap; min-height: 2.4rem;
        display: inline-flex; align-items: center;
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-eval-class-btn:hover { background: rgba(0,0,0,0.08); }
    }
    .d2-eval-class-btn--armed { background: #212529; color: #fff; border-color: #212529; }
    @media (hover: hover) and (pointer: fine) {
    .d2-eval-class-btn--armed:hover { background: #343a40; }
    }
    .d2-eval-class-btn-label { position: relative; display: inline-flex; }
    .d2-eval-class-btn-sizer { visibility: hidden; }
    .d2-eval-class-btn-text { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; white-space: nowrap; }

    /* ── Instructor action buttons (confirm / add sub) ── */
    .d2-instructor-btn {
        background: none; border: 2px solid rgba(0,0,0,0.22); border-radius: 8px;
        padding: 0.2rem 0.5rem; gap: 0.4rem;
        cursor: pointer; flex-shrink: 0; color: #6c757d;
        transition: background 0.12s, color 0.12s, border-color 0.12s, box-shadow 0.12s;
        min-height: 1.9rem;
        display: inline-flex; align-items: center; justify-content: center;
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-instructor-btn:hover { background: rgba(0,0,0,0.06); }
    }
    .d2-instructor-btn--confirmed { color: #198754; border-color: #198754; }
    @media (hover: hover) and (pointer: fine) {
    .d2-instructor-btn--confirmed:hover { background: rgba(25,135,84,0.08); }
    }
    .d2-instructor-btn--attention {
        background: #fff; color: #212529; border-color: #fff;
        box-shadow: 0 1px 4px rgba(0,0,0,0.18);
    }
    @media (hover: hover) and (pointer: fine) {
    .d2-instructor-btn--attention:hover { background: #f8f9fa; }
    }
    .d2-instructor-btn--add-instructor { gap: 0.4rem; margin-left: 0.5rem; }

    /* ── Add Instructor picker dropdown ── */
    .d2-add-instructor-backdrop {
        position: fixed; inset: 0; z-index: 499;
        /* iOS touch fix: delay pointer-events so the open-tap doesn't immediately close */
        pointer-events: none;
        animation: backdrop-enable 0.01s linear 0.35s forwards;
    }
    .d2-add-instructor-picker {
        position: absolute; top: calc(100% + 6px); left: 0; z-index: 500;
        background: #fff; border-radius: 10px; min-width: 200px; max-width: 260px;
        max-height: 280px; overflow-y: auto;
        box-shadow: 0 4px 20px rgba(0,0,0,0.18);
        border: 1px solid rgba(0,0,0,0.10);
    }
    .d2-add-instructor-loading, .d2-add-instructor-empty {
        padding: 1rem; font-size: 0.82rem; color: #6c757d; text-align: center;
    }
    .d2-add-instructor-item {
        display: flex; flex-direction: column; align-items: flex-start;
        width: 100%; background: none; border: none; border-bottom: 1px solid rgba(0,0,0,0.07);
        padding: 0.6rem 0.85rem; cursor: pointer; text-align: left;
        transition: background 0.1s;
    }
    .d2-add-instructor-item:last-child { border-bottom: none; }
    @media (hover: hover) and (pointer: fine) {
    .d2-add-instructor-item:hover { background: rgba(0,122,165,0.07); }
    }
    .d2-add-instructor-name { font-size: 0.85rem; font-weight: 600; color: #212529; }
    .d2-instructor-btn-icon { font-size: 1.05rem; line-height: 1; flex-shrink: 0; }
    .d2-instructor-btn-label { font-size: 0.62rem; font-weight: 700; text-transform: uppercase;
        letter-spacing: 0.03em; line-height: 1.25; text-align: left; }

    /* ── Instructor nudge arrow (shown right of Add Sub when unconfirmed) ── */
    .d2-instructor-nudge {
        font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
        letter-spacing: 0.04em; line-height: 1.35;
        color: #fff; flex-shrink: 1;
        background: rgba(0,0,0,0.55); border-radius: 6px;
        padding: 0.2rem 0.5rem;
        animation: d2-nudge-flash 2.4s ease-in-out infinite;
    }
    @keyframes d2-nudge-flash {
        0%, 100% { opacity: 1; }
        50%       { opacity: 0.1; }
    }

    /* ── Locked class content ── */
    .d2-class-content--locked {
        pointer-events: none; user-select: none; opacity: 0.35;
        filter: blur(1.5px);
    }
    .d2-eval-class-btn--locked {
        pointer-events: none; opacity: 0.3; filter: blur(1px);
    }

    /* ── Empty / prompt states ── */
    .d2-empty {
        text-align: center; padding: 4rem 1rem;
        color: #6c757d; font-size: 0.95rem;
    }

    /* ── Student modal (unchanged from deck1) ── */
    .deck-student-modal-overlay {
        position: fixed; inset: 0;
        background: rgba(0,0,0,0.55); z-index: 1050;
        display: flex; align-items: center; justify-content: center;
        padding: 1rem;
        /* iOS touch fix: delay pointer-events so the open-tap doesn't immediately close */
        pointer-events: none;
        animation: backdrop-enable 0.01s linear 0.35s forwards;
    }
    .deck-student-modal {
        background: #fff; border-radius: 10px;
        width: 100%; max-width: 540px; max-height: 90vh;
        overflow-y: auto; box-shadow: 0 8px 32px rgba(0,0,0,0.25);
        pointer-events: auto;
    }
    .deck-student-modal-header {
        background: #0b2447; color: #fff;
        padding: 1rem 1.25rem 0.75rem;
        border-radius: 10px 10px 0 0;
        display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
    }
    .deck-student-modal-body { padding: 1rem 1.25rem; }
    .deck-skill-rating {
        display: inline-flex; align-items: center; justify-content: center;
        width: 18px; height: 18px; border-radius: 50%;
        font-size: 0.62rem; font-weight: 800; flex-shrink: 0; line-height: 1;
    }
    .deck-skill-1 { background: rgba(108,117,125,0.25); color: #9ca3af; }
    .deck-skill-2 { background: rgba(251,191,36,0.25);  color: #d97706; }
    .deck-skill-3 { background: rgba(34,197,94,0.25);   color: #16a34a; }

    /* ── Slide to Close Shift ── */
    .d2-slide-wrap {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 0.5rem 1rem;
        padding-bottom: max(env(safe-area-inset-bottom), 0.75rem);
        background: rgba(255,255,255,0.92);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        border-top: 1px solid #dee2e6;
        display: grid;
        grid-template-columns: 52px 52px 52px minmax(0, 1fr) 52px 52px 52px;
        align-items: center;
        gap: 1rem;
        z-index: 90;
    }
    .d2-roster-btn {
        width: 52px;
        height: 52px;
        border-radius: 50%;
        border: 1.5px solid #dee2e6;
        background: #fff;
        color: var(--gf-navy, #004963);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.1rem;
        cursor: pointer;
        font-size: 0.58rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        line-height: 1;
        transition: background 0.15s, border-color 0.15s;
    }
    .d2-roster-btn:active { background: #f0f4f8; }
    .d2-roster-btn.unlocked { border-color: var(--gf-teal, #007aa5); color: var(--gf-teal, #007aa5); background: #e8f4f8; }
    .d2-roster-btn .bi { font-size: 1.3rem; }
    .d2-footer-btn {
        width: 52px;
        height: 52px;
        border-radius: 50%;
        border: 1.5px solid #dee2e6;
        background: #fff;
        color: #adb5bd;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.1rem;
        cursor: not-allowed;
        font-size: 0.55rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        line-height: 1;
        opacity: 0.6;
    }
    .d2-footer-btn .bi { font-size: 1.1rem; }
    /* Lanes button — enabled state */
    .d2-lanes-btn {
        opacity: 1;
        cursor: pointer;
        color: var(--gf-teal, #007aa5);
        border-color: var(--gf-teal, #007aa5);
        background: #e8f4f8;
    }
    .d2-lanes-btn.active {
        color: var(--gf-orange, #f6a01a);
        border-color: var(--gf-orange, #f6a01a);
        background: #fff8ec;
    }
    .d2-lanes-btn:disabled { opacity: 0.5; cursor: not-allowed; background: #fff; color: #adb5bd; border-color: #dee2e6; }
    /* Back to lanes bar */
    .d2-lanes-backbar {
        display: flex;
        align-items: center;
        padding: 0.4rem 0.75rem;
        margin-bottom: 0.5rem;
        background: #e8f4f8;
        border: 1px solid #b3d7e4;
        border-radius: 6px;
        cursor: pointer;
        font-size: 0.82rem;
        font-weight: 600;
        color: var(--gf-teal, #007aa5);
        user-select: none;
    }
    .d2-lanes-backbar:active { background: #c9e7f0; }
    /* Swipe lane flash */
    .d2-lane-flash {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        background: rgba(0, 73, 99, 0.88);
        color: #fff;
        padding: 1.1rem 2.6rem;
        border-radius: 3rem;
        font-size: 1.7rem;
        font-weight: 700;
        letter-spacing: 0.01em;
        z-index: 9998;
        pointer-events: none;
        white-space: nowrap;
        animation: d2-lane-flash-anim 1.4s ease-out forwards;
    }
    @keyframes d2-lane-flash-anim {
        0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.88); }
        12%  { opacity: 1; transform: translate(-50%, -50%) scale(1); }
        65%  { opacity: 1; }
        100% { opacity: 0; transform: translate(-50%, -50%) scale(0.95); }
    }
    /* Lane row — identical layout to d2-class-bar, used as standalone cards in the lanes list */
    .d2-lane-row {
        min-height: 2.75rem; padding: 0.35rem 1rem;
        display: flex; align-items: center; gap: 0.6rem; flex-wrap: nowrap;
        overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch;
        border-top: 1.5px solid rgba(0,0,0,0.18);
        border-bottom: 1.5px solid rgba(0,0,0,0.18);
        border-left: none; border-right: none;
        margin: 0.25rem -1rem 0;
        cursor: pointer;
    }
    .d2-lane-row:active { filter: brightness(0.95); }

    /* Attendance status indicator on lane rows */
    .d2-class-bar-end--col {
        display: flex; flex-direction: row; align-items: center; gap: 10px;
    }
    .d2-stat-group {
        display: flex; flex-direction: row; align-items: center; gap: 5px;
        white-space: nowrap;
    }
    .d2-stat-group--cap  { width: 62px; }
    .d2-stat-group--att  { width: 105px; }
    .d2-stat-icon {
        font-size: 0.75rem; color: #6c757d; flex-shrink: 0;
    }
    .d2-bar-value {
        font-size: 0.8rem; font-weight: 700; white-space: nowrap; line-height: 1;
    }
    .d2-att-label {
        font-size: 0.75rem; font-weight: 700; white-space: nowrap; line-height: 1;
    }
    .d2-att-label--none { color: #dc3545; }
    .d2-att-label--part { color: #b07a00; }
    .d2-att-label--done { color: #16a34a; }
    .inc-label { font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:0.05em; color:#6c757d; margin-bottom:0.2rem; display:block; }
    .inc-req { color:#dc3545; font-weight:700; }
    .inc-invalid { border-color:#dc3545 !important; background-color:#fff8f8 !important; }
    .inc-section-hdr { background:#f6a01a; color:#fff; font-weight:700; font-size:0.75rem; text-transform:uppercase; letter-spacing:0.07em; padding:0.35rem 1rem; }
    .inc-grid { display:grid; grid-template-columns:1fr 1fr; gap:0.6rem; }
    .inc-dob-input::placeholder { font-size:0.72rem; }
    /* Session roster modal table */
    .d2-roster-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
    .d2-roster-table th { background: var(--gf-teal, #007aa5); color: #fff; padding: 0.5rem 0.75rem; text-align: left; font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; }
    .d2-roster-table td { padding: 0.45rem 0.75rem; border-bottom: 1px solid #f0f0f0; vertical-align: middle; }
    .d2-roster-table tr:last-child td { border-bottom: none; }
    .d2-roster-table tr:nth-child(even) td { background: #f8f9fa; }
    .d2-slide-container {
        position: relative;
        width: min(370px, 100%);
        height: 52px;
        background: #0b2447;
        border-radius: 26px;
        overflow: visible;
        box-shadow: 0 4px 16px rgba(11,36,71,0.35);
        user-select: none;
    }
    .d2-slide-fill {
        position: absolute;
        left: 0; top: 0; bottom: 0;
        background: rgba(255,255,255,0.1);
        border-radius: 26px;
        pointer-events: none;
        transition: width 0.05s, background 0.25s;
    }
    .d2-slide-label {
        position: absolute;
        inset: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255,255,255,0.55);
        font-size: 0.92rem;
        font-weight: 700;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        pointer-events: none;
        transition: opacity 0.15s;
    }
    .d2-slide-range {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        -webkit-appearance: none;
        appearance: none;
        background: transparent;
        outline: none;
        cursor: grab;
        z-index: 2;
        margin: 0;
        padding: 0;
    }
    .d2-slide-range::-webkit-slider-thumb {
        -webkit-appearance: none;
        appearance: none;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4,12 H20 M13,5 L20,12 L13,19' stroke='%23004963' stroke-width='2.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/58% no-repeat;
        box-shadow: 0 2px 10px rgba(0,0,0,0.25);
        cursor: grab;
    }
    .d2-slide-range::-moz-range-thumb {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4,12 H20 M13,5 L20,12 L13,19' stroke='%23004963' stroke-width='2.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/58% no-repeat;
        border: none;
        box-shadow: 0 2px 10px rgba(0,0,0,0.25);
        cursor: grab;
    }
    .d2-slide-icon {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        pointer-events: none;
        z-index: 3;
        transition: left 0.05s;
    }

    /* ── Confirm slider ── */
    .d2-confirm-slider {
        -webkit-appearance: none;
        appearance: none;
        width: 100%;
        height: 10px;
        border-radius: 5px;
        background: linear-gradient(to right, #0b2447 var(--slider-pct, 0%), #dee2e6 var(--slider-pct, 0%));
        outline: none;
        cursor: pointer;
    }
    .d2-confirm-slider::-webkit-slider-thumb {
        -webkit-appearance: none;
        appearance: none;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: #0b2447;
        border: 3px solid #fff;
        box-shadow: 0 2px 6px rgba(0,0,0,0.3);
        cursor: grab;
    }
    .d2-confirm-slider::-moz-range-thumb {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: #0b2447;
        border: 3px solid #fff;
        box-shadow: 0 2px 6px rgba(0,0,0,0.3);
        cursor: grab;
    }

    /* ── Offline / pending-writes badges ── */
    .d2-offline-badge {
        display: inline-flex;
        align-items: center;
        font-size: 0.65rem;
        font-weight: 700;
        letter-spacing: 0.06em;
        padding: 0.2rem 0.5rem;
        border-radius: 4px;
        background: #dc3545;
        color: #fff;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .d2-pending-badge {
        display: inline-flex;
        align-items: center;
        font-size: 0.65rem;
        font-weight: 700;
        letter-spacing: 0.04em;
        padding: 0.2rem 0.5rem;
        border-radius: 4px;
        background: #f6a01a;
        color: #fff;
        white-space: nowrap;
        flex-shrink: 0;
        cursor: default;
    }

    /* ── Shift LIVE badge ── */
    .d2-shift-badge {
        display: inline-flex;
        align-items: center;
        gap: 0.25rem;
        font-size: 0.6rem;
        font-weight: 800;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        padding: 0.15rem 0.5rem;
        border-radius: 4px;
        background: #198754;
        color: #fff;
        margin-right: 0.35rem;
        animation: d2-live-pulse 2s ease-in-out infinite;
        flex-shrink: 0;
    }
    @keyframes d2-live-pulse {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.7; }
    }

    /* ── Open shift slider variant ── */
    .d2-slide-container--open {
        background: var(--gf-teal, #007aa5);
        box-shadow: 0 4px 16px rgba(0,122,165,0.35);
    }

    /* ── PIN Pad ── */
    .pin-pad-container {
        display: flex; flex-direction: column; align-items: center; justify-content: center;
        min-height: 100vh; gap: 1rem; padding: 2rem;
        background: linear-gradient(135deg, #0b2447 0%, #19376D 50%, #576CBC 100%);
        color: #fff; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    }
    .pin-pad-location {
        font-size: 1.4rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
        opacity: 0.7; margin-bottom: 0.5rem;
    }
    .pin-pad-title { font-size: 1.1rem; opacity: 0.6; }
    .pin-pad-display {
        background: rgba(255,255,255,0.1); border-radius: 12px;
        padding: 1rem 2rem; min-width: 12rem; text-align: center;
        font-size: 2rem; font-weight: 700; letter-spacing: 0.3em;
        border: 2px solid rgba(255,255,255,0.2);
    }
    .pin-pad-placeholder { opacity: 0.3; }
    .pin-pad-digits { color: #fff; }
    .pin-pad-error {
        color: #ff6b6b; font-size: 0.85rem; font-weight: 600;
        min-height: 1.2rem;
    }
    .pin-pad-grid {
        display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem;
        max-width: 18rem; width: 100%;
    }
    .pin-pad-key {
        aspect-ratio: 1.4; border-radius: 12px; border: 2px solid rgba(255,255,255,0.2);
        background: rgba(255,255,255,0.08); color: #fff;
        font-size: 1.8rem; font-weight: 600;
        display: flex; align-items: center; justify-content: center;
        cursor: pointer; transition: background 0.1s, transform 0.08s;
        -webkit-tap-highlight-color: transparent;
        user-select: none;
        touch-action: manipulation;
    }
    .pin-pad-key:active:not(:disabled) { background: rgba(255,255,255,0.25); transform: scale(0.95); }
    .pin-pad-key:disabled { opacity: 0.3; cursor: default; }
    .pin-pad-key--clear { color: #ff6b6b; border-color: rgba(255,107,107,0.3); }
    .pin-pad-key--ok { color: #51cf66; border-color: rgba(81,207,102,0.3); font-size: 1.5rem; }
    .pin-pad-key--ok:active:not(:disabled) { background: rgba(81,207,102,0.25); }
    .pin-pad-welcome {
        font-size: 0.8rem; opacity: 0.4; margin-top: 1rem; text-align: center;
    }
    @keyframes pin-shake {
        0%,100% { transform: translateX(0); }
        15% { transform: translateX(-12px); }
        30% { transform: translateX(10px); }
        45% { transform: translateX(-8px); }
        60% { transform: translateX(6px); }
        75% { transform: translateX(-3px); }
    }
    .pin-shake { animation: pin-shake 0.4s ease; }