:root {
    --ink: #12172B;
    --ink-2: #1B2140;
    --paper: #F7F5F0;
    --paper-2: #EDE9DE;
    --brass: #C9A44C;
    --brass-dim: #8f7638;
    --good: #3FA66B;
    --bad: #D64545;
    --warn: #E0A030;
    --text-on-ink: #EDEAFB;
    --text-dim-on-ink: #9098C0;
    --text-on-paper: #1B1810;
    --text-dim-on-paper: #79725f;
    --display: 'Space Grotesk', sans-serif;
    --mono: 'IBM Plex Mono', monospace;
    --body: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--ink);
    color: var(--text-on-ink);
    font-family: var(--body);
}

#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---- Nav ---- */
nav {
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--ink-2);
    padding: 10px 10px 0;
    border-bottom: 2px solid var(--brass);
    position: relative;
}

nav .brand {
    font-family: var(--display);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.02em;
    color: var(--brass);
    padding: 8px 14px 12px;
    margin-right: 6px;
    white-space: nowrap;
}

nav button {
    background: transparent;
    border: none;
    color: var(--text-dim-on-ink);
    font-family: var(--body);
    font-weight: 600;
    font-size: 13px;
    padding: 10px 16px;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    letter-spacing: 0.01em;
}

nav button.active {
    background: var(--ink);
    color: var(--brass);
}

nav button:hover:not(.active) {
    color: var(--text-on-ink);
}

nav button.btn-highlight {
    color: var(--brass);
    background: rgba(201, 164, 76, 0.1);
    border-radius: 6px 6px 0 0;
}

nav button.btn-highlight.active {
    background: var(--brass);
    color: #111;
}

.utility-tabs {
    display: flex;
    align-items: center;
}

.utility-tabs button {
    font-size: 11px;
    font-weight: normal;
    color: var(--text-dim-on-ink);
    background: transparent !important;
    border-radius: 0;
    padding: 12px 10px;
    opacity: 0.6;
}

.utility-tabs button:hover {
    opacity: 1;
    color: var(--text-on-ink);
}

.utility-tabs button.active {
    opacity: 1;
    color: var(--brass) !important;
    border-bottom: 2px solid var(--brass);
}


main {
    flex: 1;
    display: none;
}

main.active {
    display: block;
}

/* ================= SETUP TAB ================= */
.panel {
    max-width: 640px;
    margin: 0 auto;
    padding: 40px 20px;
}

.panel h1 {
    font-family: var(--display);
    font-size: 22px;
    margin: 0 0 4px;
}

.panel .sub {
    color: var(--text-dim-on-ink);
    font-size: 14px;
    margin: 0 0 28px;
}

.field {
    margin-bottom: 18px;
}

.field label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brass);
    margin-bottom: 6px;
    font-weight: 600;
}

.field input {
    width: 100%;
    background: var(--ink-2);
    border: 1px solid #333A5C;
    color: var(--text-on-ink);
    padding: 12px 14px;
    border-radius: 8px;
    font-family: var(--mono);
    font-size: 14px;
}

.field input:focus {
    outline: none;
    border-color: var(--brass);
}

.row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    font-family: var(--body);
    font-weight: 600;
    font-size: 14px;
    padding: 12px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--brass);
    color: #1B1810;
}

.btn-primary:hover {
    background: #dbb562;
}

.btn-ghost {
    background: transparent;
    border: 1px solid #333A5C;
    color: #dbb562;
}

.btn-ghost:hover {
    border-color: var(--brass);
    color: var(--brass);
}

.btn-danger {
    background: transparent;
    border: 1px solid var(--bad);
    color: var(--bad);
}

.btn-danger:hover {
    background: var(--bad);
    color: white;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.status-line {
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-dim-on-ink);
    font-family: var(--mono);
}

.status-line.ok {
    color: var(--good);
}

.divider {
    height: 1px;
    background: #2A3054;
    margin: 32px 0;
}

/* ================= SCANNER TAB ================= */
.scan-wrap {
    max-width: 480px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

#reader {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid #2A3054;
    background: #000;
}

.scan-hint {
    color: var(--text-dim-on-ink);
    font-size: 13px;
    margin: 14px 0;
    font-family: var(--mono);
}

.manual-entry {
    display: flex;
    gap: 8px;
    margin-top: 6px;
}

.manual-entry input {
    flex: 1;
    background: var(--ink-2);
    border: 1px solid #333A5C;
    color: var(--text-on-ink);
    padding: 12px;
    border-radius: 8px;
    font-family: var(--mono);
    text-transform: uppercase;
}

.result-overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    text-align: center;
}

.result-overlay.show {
    display: flex;
}

.result-overlay.valid {
    background: var(--good);
}

.result-overlay.denied {
    background: var(--bad);
}

.result-overlay.invalid {
    background: var(--warn);
}

.result-icon {
    font-size: 72px;
    line-height: 1;
    margin-bottom: 18px;
}

.result-title {
    font-family: var(--display);
    font-size: 30px;
    font-weight: 700;
    color: #111;
    margin: 0 0 8px;
}

.result-sub {
    font-family: var(--mono);
    font-size: 15px;
    color: rgba(0, 0, 0, 0.65);
    margin: 0 0 30px;
}

.result-overlay button {
    margin-top: 6px;
}

.thankyou-frame-wrap {
    position: fixed;
    inset: 0;
    z-index: 60;
    background: var(--paper);
    display: none;
    flex-direction: column;
}

.thankyou-frame-wrap.show {
    display: flex;
}

.thankyou-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: var(--ink);
}

.thankyou-bar span {
    font-family: var(--mono);
    color: var(--text-dim-on-ink);
    font-size: 12px;
}

.thankyou-frame-wrap iframe {
    flex: 1;
    border: none;
    width: 100%;
}

/* ================= PASSES TAB ================= */
.passes-toolbar {
    max-width: 900px;
    margin: 0 auto;
    padding: 28px 20px 10px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.passes-toolbar .count {
    font-family: var(--mono);
    color: var(--text-dim-on-ink);
    font-size: 13px;
}

#passGrid {
    background: var(--paper);
    color: var(--text-on-paper);
    padding: 24px;
}

.pass-grid-inner {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.pass-card {
    display: flex;
    align-items: stretch;
    background: white;
    border: 1.5px solid #D8D2C0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.pass-main {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.pass-eyebrow {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--brass-dim);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.pass-title {
    font-family: var(--display);
    font-weight: 700;
    font-size: 16px;
    margin: 0 0 4px;
    color: var(--text-on-paper);
}

.pass-limit {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-dim-on-paper);
}

.pass-stub {
    width: 110px;
    flex-shrink: 0;
    border-left: 2px dashed #C7C0AC;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px;
    position: relative;
    background: var(--paper-2);
}

.pass-stub::before,
.pass-stub::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--ink);
    border-radius: 50%;
    left: -7px;
}

.pass-stub::before {
    top: -7px;
}

.pass-stub::after {
    bottom: -7px;
}

.pass-token {
    font-family: var(--mono);
    font-size: 9px;
    margin-top: 6px;
    color: var(--text-dim-on-paper);
    letter-spacing: 0.02em;
}

@media print {

    nav,
    .passes-toolbar {
        display: none !important;
    }

    body {
        background: white;
    }

    #passGrid {
        padding: 0;
    }

    .pass-card {
        break-inside: avoid;
    }

    .pass-grid-inner {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ================= DASHBOARD TAB ================= */
.dash-wrap {
    max-width: 900px;
    margin: 0 auto;
    padding: 36px 20px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 14px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--ink-2);
    border: 1px solid #2A3054;
    border-radius: 12px;
    padding: 18px;
}

.stat-num {
    font-family: var(--display);
    font-size: 32px;
    font-weight: 700;
    color: var(--brass);
}

.stat-label {
    font-size: 12px;
    color: var(--text-dim-on-ink);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--mono);
    font-size: 12px;
}

th,
td {
    text-align: left;
    padding: 9px 10px;
    border-bottom: 1px solid #2A3054;
}

th {
    color: var(--brass);
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.06em;
}

.pill {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 600;
}

.pill.used {
    background: rgba(63, 166, 107, 0.15);
    color: var(--good);
}

.pill.full {
    background: rgba(214, 69, 69, 0.15);
    color: var(--bad);
}

.table-wrap {
    max-height: 340px;
    overflow: auto;
    border: 1px solid #2A3054;
    border-radius: 10px;
}

.empty {
    color: var(--text-dim-on-ink);
    font-size: 13px;
    text-align: center;
    padding: 30px;
}

.qr-holder canvas,
.qr-holder img {
    width: 84px !important;
    height: 84px !important;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 768px) {

    .pass-grid-inner {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {

    .dash-wrap,
    .panel,
    .scan-wrap {
        padding: 20px 12px;
    }

    .stat-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .stat-card {
        padding: 12px;
    }

    .stat-num {
        font-size: 24px;
    }

    .stat-label {
        font-size: 10px;
    }

    .row {
        flex-direction: column;
    }

    .row .btn,
    .row input {
        width: 100%;
        flex: none;
    }

    table {
        min-width: 400px;
    }

    /* forces scroll on very small screens to preserve readability */
    .passes-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    nav {
        flex-wrap: wrap;
        padding: 0;
    }

    .brand {
        width: 100%;
        text-align: center;
        padding: 16px 0 8px !important;
        margin: 0 !important;
    }

    nav>button {
        flex: 1;
        font-size: 14px !important;
        padding: 16px 0 !important;
        text-align: center;
        border-radius: 0 !important;
    }

    nav>button.btn-highlight {
        border-radius: 0 !important;
    }

    .utility-tabs {
        position: absolute;
        top: 8px;
        right: 8px;
    }

    .utility-tabs button {
        font-size: 18px;
        padding: 4px 8px;
        font-weight: normal;
    }

    .utility-tabs button[data-tab="passes"] {
        font-size: 0;
    }

    .utility-tabs button[data-tab="passes"]::after {
        content: '⬇';
        font-size: 18px;
    }

    .utility-tabs button[data-tab="setup"] {
        font-size: 0;
    }

    .utility-tabs button[data-tab="setup"]::after {
        content: '⚙';
        font-size: 18px;
    }
}