html {
    font-size: 90%;
}

:root {
    --gf-gold: #b8860b;
    --gf-gold-light: #d4a017;
    --gf-gold-dark: #8a6508;
    --gf-silver: #8a94a3;
    --gf-silver-light: #aeb8c7;
    --gf-silver-dark: #5e6773;
    --gf-ink: #1a1f2b;
    --gf-ink-soft: #2c3244;
    --gf-bg: #f0f2f6;
    --gf-text-muted: #6b7280;
    --gf-border: #e5e7eb;
    --gf-radius: .85rem;
    --gf-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 4px 16px rgba(16, 24, 40, .06);
    --gf-shadow-lg: 0 8px 30px rgba(16, 24, 40, .12);

    /* Active-metal accent: swapped to silver via body.theme-silver */
    --gf-accent: var(--gf-gold);
    --gf-accent-light: var(--gf-gold-light);
    --gf-accent-dark: var(--gf-gold-dark);
    --gf-accent-shadow: rgba(184, 134, 11, .35);
    --gf-accent-shadow-soft: rgba(184, 134, 11, .15);
    --gf-accent-tint: rgba(184, 134, 11, .07);

    /* Totals tile hues: copper = raw/impure, teal = purity %, gold = refined output */
    --gf-copper-light: #d2791f;
    --gf-copper-dark: #93470f;
    --gf-teal-light: #14b8a6;
    --gf-teal-dark: #0f6b62;
}

body.theme-silver {
    --gf-accent: var(--gf-silver);
    --gf-accent-light: var(--gf-silver-light);
    --gf-accent-dark: var(--gf-silver-dark);
    --gf-accent-shadow: rgba(94, 103, 115, .35);
    --gf-accent-shadow-soft: rgba(94, 103, 115, .18);
    --gf-accent-tint: rgba(94, 103, 115, .08);
}

body {
    background-color: var(--gf-bg);
    color: var(--gf-ink);
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    font-size: .95rem;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -.01em;
}

/* ---------- Navbar ---------- */

.navbar-gold {
    background: linear-gradient(120deg, var(--gf-ink) 0%, var(--gf-ink-soft) 100%);
    box-shadow: 0 2px 12px rgba(0, 0, 0, .18);
    padding-top: .7rem;
    padding-bottom: .7rem;
}

.navbar-gold .navbar-brand {
    display: flex;
    align-items: center;
    gap: .55rem;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: .01em;
    color: #fff;
}

.navbar-gold .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.1rem;
    height: 2.1rem;
    border-radius: .6rem;
    background: linear-gradient(135deg, var(--gf-gold-light), var(--gf-gold-dark));
    color: #fff;
    font-size: 1.05rem;
    box-shadow: 0 2px 8px rgba(184, 134, 11, .45);
}

.navbar-gold .brand-text small {
    display: block;
    font-size: .66rem;
    font-weight: 500;
    letter-spacing: .08em;
    color: #9aa2b8;
    text-transform: uppercase;
    margin-top: -2px;
}

.navbar-gold .nav-link {
    color: #dfe2ea;
}

.navbar-gold .nav-link:hover,
.navbar-gold .nav-link.active {
    color: var(--gf-gold-light);
}

.user-chip {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 999px;
    padding: .3rem .8rem .3rem .5rem;
    color: #e6e8ef;
    font-size: .85rem;
}

.user-chip .avatar {
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gf-gold-light), var(--gf-gold-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .75rem;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
}

/* ---------- Cards ---------- */

.card {
    border: 1px solid var(--gf-border);
    border-radius: var(--gf-radius);
    box-shadow: var(--gf-shadow);
}

.card-header-gold {
    background: linear-gradient(120deg, var(--gf-ink) 0%, var(--gf-ink-soft) 100%);
    color: #fff;
    border-radius: calc(var(--gf-radius) - 1px) calc(var(--gf-radius) - 1px) 0 0 !important;
    font-weight: 700;
    letter-spacing: .01em;
    padding: 1rem 1.35rem;
    display: flex;
    align-items: center;
    gap: .55rem;
    border: none;
}

.card-header-gold .bi {
    color: var(--gf-accent-light);
}

.card-body {
    padding: 1.5rem;
}

/* ---------- Forms ---------- */

.form-label {
    font-weight: 600;
    font-size: .8rem;
    color: var(--gf-text-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: .35rem;
}

.form-control,
.form-select {
    border: 1.5px solid var(--gf-border);
    border-radius: .6rem;
    padding: .65rem .9rem;   /* was .55rem .85rem */
    font-size: 1.15rem;      /* was .93rem */
    font-weight: 600;
    transition: border-color .15s ease, box-shadow .15s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--gf-accent);
    box-shadow: 0 0 0 .2rem var(--gf-accent-shadow-soft);
}

.form-control::placeholder {
    color: #aab0bd;
}

/* ---------- Buttons ---------- */

.btn {
    border-radius: .6rem;
    font-weight: 600;
    font-size: .88rem;
    padding: .5rem 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    white-space: nowrap;
    flex-shrink: 0;
    transition: transform .1s ease, box-shadow .15s ease, background-color .15s ease;
}

.btn:active {
    transform: translateY(1px);
}

.btn-gold {
    background: linear-gradient(120deg, var(--gf-accent-light), var(--gf-accent));
    border-color: var(--gf-accent);
    color: #fff;
    box-shadow: 0 2px 8px var(--gf-accent-shadow);
}

.btn-gold:hover {
    background: linear-gradient(120deg, var(--gf-accent), var(--gf-accent-dark));
    border-color: var(--gf-accent-dark);
    color: #fff;
    box-shadow: 0 4px 12px var(--gf-accent-shadow);
}

.btn-sm {
    padding: .32rem .65rem;
    font-size: .8rem;
    border-radius: .5rem;
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, .35);
}

/* ---------- Auth screen ---------- */

.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 20% 20%, rgba(184, 134, 11, .18), transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(184, 134, 11, .12), transparent 45%),
        radial-gradient(circle at top, var(--gf-ink-soft) 0%, var(--gf-ink) 65%);
    padding: 1.5rem;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    box-shadow: var(--gf-shadow-lg);
    overflow: hidden;
}

/* Stretch header text to the card's width so long titles wrap instead of
   forcing the shrink-to-fit flex item (and the whole card) wider than the viewport. */
.auth-card .card-header-gold {
    align-items: stretch;
}

.auth-mark {
    width: 3.25rem;
    height: 3.25rem;
    margin: 0 auto .75rem;
    border-radius: .85rem;
    background: linear-gradient(135deg, var(--gf-gold-light), var(--gf-gold-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 4px 14px rgba(184, 134, 11, .5);
}

.captcha-wrap img {
    border: 1.5px solid var(--gf-border);
    border-radius: .6rem;
    background: #f7f9fa;
}

/* ---------- Table / DataTables ---------- */

.table thead th {
    background-color: var(--gf-ink);
    color: #f3f4f6;
    font-weight: 600;
    font-size: .74rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    white-space: nowrap;
    border-bottom: none;
    padding: .85rem 1rem;
}

.table thead th:first-child {
    border-top-left-radius: .5rem;
}

.table thead th:last-child {
    border-top-right-radius: .5rem;
}

.table tbody td {
    padding: .8rem 1rem;
    vertical-align: middle;
    border-color: var(--gf-border);
    font-size: .89rem;
}

.table tbody tr {
    transition: background-color .1s ease;
}

.table-hover tbody tr:hover {
    background-color: var(--gf-accent-tint);
}

.badge-metal-gold {
    background: linear-gradient(120deg, var(--gf-gold-light), var(--gf-gold-dark));
    color: #fff;
    font-weight: 600;
    font-size: .8rem;
    padding: .4em .7em;
    border-radius: .4rem;
}

.badge-metal-silver {
    background: linear-gradient(120deg, var(--gf-silver-light), var(--gf-silver-dark));
    color: #fff;
    font-weight: 600;
    font-size: .8rem;
    padding: .4em .7em;
    border-radius: .4rem;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
    font-size: .85rem;
    color: var(--gf-text-muted);
    margin: .75rem 1rem;
}

.dataTables_wrapper .dataTables_filter input {
    border: 1.5px solid var(--gf-border);
    border-radius: .5rem;
    padding: .3rem .6rem;
}

.dataTables_wrapper .dataTables_length select {
    border: 1.5px solid var(--gf-border);
    border-radius: .5rem;
    padding: .3rem 1.75rem .3rem .6rem;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-color: #fff;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%236b7280' d='M4.5 6l3.5 3.5L11.5 6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .55rem center;
    background-size: .9rem;
}

.dataTables_wrapper .dataTables_length select:focus {
    outline: none;
    border-color: var(--gf-accent);
    box-shadow: 0 0 0 .15rem var(--gf-accent-shadow-soft);
}

.dataTables_wrapper .dataTables_paginate .paginate_button,
.dataTables_wrapper .dataTables_paginate .page-link {
    border-radius: .4rem !important;
    margin-left: .2rem;
    color: var(--gf-ink);
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .page-item.active .page-link {
    background: var(--gf-accent) !important;
    border-color: var(--gf-accent) !important;
    color: #fff !important;
}

.dataTables_wrapper .dataTables_paginate .page-link:focus {
    box-shadow: 0 0 0 .15rem var(--gf-accent-shadow-soft);
}

table.dataTable.no-footer {
    border-bottom: none;
}

.dataTables_empty {
    padding: 3rem 1rem !important;
    color: var(--gf-text-muted);
    font-size: .92rem;
}

/* ---------- Totals tiles ---------- */

.totals-tile {
    display: flex;
    align-items: center;
    gap: .9rem;
    border-radius: .85rem;
    padding: 1rem 1.15rem;
    height: 100%;
    box-shadow: var(--gf-shadow);
    color: #fff;
}

.totals-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: .65rem;
    background: rgba(255, 255, 255, .2);
    color: #fff;
    font-size: 1.2rem;
}

.totals-label {
    font-weight: 600;
    font-size: .74rem;
    color: rgba(255, 255, 255, .78);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: .2rem;
}

.totals-value {
    font-weight: 700;
    font-size: 1.55rem;
    line-height: 1.1;
    color: #fff;
    font-variant-numeric: tabular-nums;
}

.totals-unit {
    font-weight: 600;
    font-size: .85rem;
    color: rgba(255, 255, 255, .78);
    margin-left: .3rem;
}

.totals-tile-copper {
    background: linear-gradient(120deg, var(--gf-copper-light) 0%, var(--gf-copper-dark) 100%);
    box-shadow: 0 4px 14px rgba(147, 71, 15, .3);
}

.totals-tile-teal {
    background: linear-gradient(120deg, var(--gf-teal-light) 0%, var(--gf-teal-dark) 100%);
    box-shadow: 0 4px 14px rgba(15, 107, 98, .3);
}

.totals-tile-accent {
    background: linear-gradient(120deg, var(--gf-gold-light) 0%, var(--gf-gold-dark) 100%);
    box-shadow: 0 4px 14px rgba(138, 101, 8, .35);
}

/* ---------- Metal tabs ---------- */

.metal-tabs .nav-link {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-weight: 600;
    font-size: .88rem;
    color: var(--gf-ink);
    background: #fff;
    border: 1.5px solid var(--gf-border);
    border-radius: .6rem;
    padding: .5rem 1.1rem;
    margin-right: .5rem;
}

.metal-tabs .nav-link[data-metal="GOLD"].active {
    background: linear-gradient(120deg, var(--gf-gold-light), var(--gf-gold));
    border-color: var(--gf-gold);
    color: #fff;
    box-shadow: 0 2px 8px rgba(184, 134, 11, .35);
}

.metal-tabs .nav-link[data-metal="SILVER"].active {
    background: linear-gradient(120deg, var(--gf-silver-light), var(--gf-silver-dark));
    border-color: var(--gf-silver-dark);
    color: #fff;
    box-shadow: 0 2px 8px rgba(94, 103, 115, .35);
}

/* ---------- Alerts ---------- */

.alert {
    border-radius: .6rem;
    border: none;
    font-size: .88rem;
}

/* ---------- Modal ---------- */

.modal-content {
    border: none;
    border-radius: var(--gf-radius);
    overflow: hidden;
}

.modal-header {
    border-bottom: none;
}

.modal-footer {
    border-top: 1px solid var(--gf-border);
}

.print-title,
.print-summary {
    display: none;
}

@page {
    size: A4 portrait;
    margin: 12mm 10mm;
}

@media print {
    html {
        font-size: 11px !important;
    }

    body {
        width: 100% !important;
        min-width: 0 !important;
    }

    * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        color-adjust: exact !important;
    }

    .table thead th {
        background: #fff !important;
        color: #1f2430 !important;
        border-bottom: 2px solid #1f2430 !important;
    }

    .badge-metal-gold,
    .badge-metal-silver {
        background: transparent !important;
        color: #1f2430 !important;
        border: none !important;
        padding: 0 !important;
        font-weight: 700 !important;
    }

    .no-print,
    .dataTables_length,
    .dataTables_filter,
    .dataTables_info,
    .dataTables_paginate {
        display: none !important;
    }

    .container-fluid {
        max-width: 100% !important;
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .table-responsive {
        overflow: visible !important;
        width: 100% !important;
    }

    table.dataTable,
    table.dataTable thead,
    table.dataTable tbody {
        width: 100% !important;
    }

    table.dataTable th,
    table.dataTable td {
        width: auto !important;
        max-width: none !important;
        white-space: nowrap !important;
    }

    /* Free-text columns get to wrap so nowrap on the rest doesn't push the page wider than A4 */
    .tunch-table td:nth-child(4),
    .tunch-table td:nth-child(8) {
        white-space: normal !important;
        word-break: break-word;
    }

    .print-title {
        display: block;
        text-align: center;
        margin-bottom: .5rem;
    }

    .print-title h1 {
        font-size: 1.25rem;
        margin: 0;
    }

    .print-title p {
        font-size: .85rem;
        color: #444;
        margin: .2rem 0 0;
    }

    .print-summary {
        display: flex;
        justify-content: center;
        gap: 1.75rem;
        flex-wrap: nowrap;
        white-space: nowrap;
        font-size: .8rem;
        margin-bottom: .75rem;
        padding-bottom: .5rem;
        border-bottom: 1px solid #ccc;
    }

    .card {
        border: none !important;
        box-shadow: none !important;
    }

    .card-header {
        display: none !important;
    }

    table.dataTable {
        border-collapse: collapse !important;
    }

    table.dataTable th,
    table.dataTable td {
        border: 1px solid #999 !important;
    }
}