/* =========================================================
   Viple BDC — Design System
   ========================================================= */

:root {
    --color-bg: #f4f6fb;
    --color-bg-alt: #ffffff;
    --color-surface: #ffffff;
    --color-border: #e3e7ef;
    --color-text: #14161f;
    --color-text-muted: #667085;
    --color-primary: #4f46e5;
    --color-primary-dark: #3730a3;
    --color-primary-contrast: #ffffff;
    --color-success: #16a34a;
    --color-success-bg: #ecfdf3;
    --color-success-border: #a6e9c2;
    --color-warning: #d97706;
    --color-warning-bg: #fffaeb;
    --color-warning-border: #fde3a5;
    --color-danger: #dc2626;
    --color-danger-bg: #fef2f2;
    --color-danger-border: #f7b4b0;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 2px rgba(20, 22, 31, .06);
    --shadow-md: 0 8px 24px rgba(20, 22, 31, .08);
    --shadow-lg: 0 20px 45px rgba(20, 22, 31, .12);
    --header-h: 64px;
    --max-width: 880px;
    --transition: 160ms ease;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #0d0f17;
        --color-bg-alt: #12141d;
        --color-surface: #171a25;
        --color-border: #262a38;
        --color-text: #eef0f6;
        --color-text-muted: #9aa1b5;
        --color-primary: #818cf8;
        --color-primary-dark: #6366f1;
        --color-primary-contrast: #0d0f17;
        --color-success: #4ade80;
        --color-success-bg: rgba(74, 222, 128, .08);
        --color-success-border: rgba(74, 222, 128, .35);
        --color-warning: #fbbf24;
        --color-warning-bg: rgba(251, 191, 36, .08);
        --color-warning-border: rgba(251, 191, 36, .35);
        --color-danger: #f87171;
        --color-danger-bg: rgba(248, 113, 113, .08);
        --color-danger-border: rgba(248, 113, 113, .35);
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
        --shadow-md: 0 8px 24px rgba(0, 0, 0, .35);
        --shadow-lg: 0 20px 45px rgba(0, 0, 0, .45);
    }
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.25; margin: 0 0 .5rem; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem); font-weight: 800; }
h2 { font-size: 1.15rem; font-weight: 700; }
p { line-height: 1.6; color: var(--color-text-muted); margin: 0 0 1rem; }

/* ---------- Layout ---------- */
.page { min-height: 100vh; display: flex; flex-direction: column; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    height: var(--header-h);
    display: flex;
    align-items: center;
    background: color-mix(in srgb, var(--color-bg-alt) 85%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.site-header .header-inner {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--color-text);
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    font-weight: 800;
    font-size: .95rem;
    box-shadow: var(--shadow-sm);
}

.brand:hover { text-decoration: none; }

.nav-actions { display: flex; align-items: center; gap: .5rem; }

.badge-role {
    font-size: .75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    padding: .25rem .6rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    display: none;
}

@media (min-width: 640px) {
    .badge-role { display: inline-flex; align-items: center; gap: .35rem; }
}

main.content-shell {
    flex: 1;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.1rem 4rem;
}

.content-shell.wide { max-width: 1100px; }

.site-footer {
    text-align: center;
    padding: 1.5rem 1rem 2rem;
    color: var(--color-text-muted);
    font-size: .8rem;
}

/* ---------- Buttons ---------- */
.btn {
    appearance: none;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: .65rem 1.15rem;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
    white-space: nowrap;
}

.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    box-shadow: var(--shadow-sm);
}
.btn-primary:hover:not(:disabled) { box-shadow: var(--shadow-md); }

.btn-outline {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}
.btn-outline:hover:not(:disabled) { border-color: var(--color-primary); color: var(--color-primary); }

.btn-primary-outline {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}
.btn-primary-outline:hover:not(:disabled) { background: color-mix(in srgb, var(--color-primary) 10%, transparent); }

.btn-danger-outline {
    background: transparent;
    border-color: var(--color-danger-border);
    color: var(--color-danger);
}
.btn-danger-outline:hover:not(:disabled) { background: var(--color-danger-bg); }

.btn-success-outline {
    background: transparent;
    border-color: var(--color-success-border);
    color: var(--color-success);
}
.btn-success-outline:hover:not(:disabled) { background: var(--color-success-bg); }

.btn-sm { padding: .4rem .75rem; font-size: .82rem; }
.btn-block { width: 100%; }
.btn-icon { width: 1.05rem; height: 1.05rem; flex: none; }

/* ---------- Cards / surfaces ---------- */
.surface-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
}

.hero-card { text-align: center; padding: 2.25rem 1.5rem; }

.hero-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    box-shadow: var(--shadow-md);
}

/* ---------- Forms ---------- */
.field-label {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: .4rem;
}

.form-input {
    width: 100%;
    font-size: 1rem;
    padding: .7rem .85rem;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--color-border);
    background: var(--color-bg-alt);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 20%, transparent);
}

/* Code input */
.code-input-wrap { margin: 1.5rem 0; }

.code-input {
    width: 100%;
    font-size: clamp(2rem, 1.4rem + 3vw, 3rem);
    font-weight: 800;
    letter-spacing: .6rem;
    text-align: center;
    padding: 1.15rem .5rem;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-border);
    background: var(--color-bg-alt);
    color: var(--color-text);
    font-variant-numeric: tabular-nums;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.code-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary) 18%, transparent);
}

.verify-form { display: flex; flex-direction: column; gap: 1rem; }
.btn-verify { align-self: center; padding: .85rem 2rem; }

.voucher-generic-preview {
    display: block;
    max-width: 320px;
    width: auto;
    max-height: 100%;
    height: auto;
    margin: 0 auto 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.voucher-type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: .85rem;
    margin: 1rem 0 1.5rem;
}

.voucher-type-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .5rem;
    padding: .75rem;
    background: var(--color-bg-alt);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition);
    font: inherit;
    color: var(--color-text);
}

.voucher-type-card:hover { border-color: var(--color-primary); }

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin: 1.5rem 0;
}

.guide-card { text-align: center; }
.guide-card h2 { margin-bottom: .5rem; }
.guide-card p { margin: 0; color: var(--color-text-muted); }


.voucher-type-card.selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 18%, transparent);
}

.voucher-type-preview {
    max-width: 100%;
    width: auto;
    height: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.voucher-type-label {
    font-size: .8rem;
    font-weight: 600;
    text-align: center;
}

.field-hint { font-size: .85rem; color: var(--color-text-muted); }

/* ---------- Result states ---------- */
.result-card {
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    margin-top: 1.5rem;
    animation: fade-in-up .35s ease both;
    border: 1.5px solid;
}

@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: .85rem;
    flex: none;
}

.result-head { display: flex; align-items: center; gap: .85rem; margin-bottom: .5rem; }
.result-head h2 { margin: 0; }

.result-valid { background: var(--color-success-bg); border-color: var(--color-success-border); }
.result-valid .result-icon { background: var(--color-success); color: #fff; }
.result-valid h2 { color: var(--color-success); }

.result-deactivated { background: var(--color-warning-bg); border-color: var(--color-warning-border); }
.result-deactivated .result-icon { background: var(--color-warning); color: #fff; }
.result-deactivated h2 { color: var(--color-warning); }

.result-notfound { background: var(--color-danger-bg); border-color: var(--color-danger-border); }
.result-notfound .result-icon { background: var(--color-danger); color: #fff; }
.result-notfound h2 { color: var(--color-danger); }

.result-code-chip {
    display: inline-block;
    font-weight: 800;
    letter-spacing: .15rem;
    padding: .1rem .5rem;
    border-radius: 6px;
    background: color-mix(in srgb, currentColor 12%, transparent);
}

/* ---------- Result overlay (centered on screen) ---------- */
.result-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, .55);
    backdrop-filter: blur(2px);
    padding: 1.25rem;
    z-index: 1000;
    animation: fade-in .2s ease both;
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.result-overlay-inner {
    position: relative;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
}

.result-overlay-inner .result-card {
    margin-top: 0;
}

.result-close {
    position: absolute;
    top: -.5rem;
    right: -.5rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: #fff;
    color: var(--color-text-muted, #475569);
    box-shadow: 0 2px 8px rgba(0,0,0,.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.result-close:hover { color: var(--color-danger, #dc2626); }

.alert-box {
    border-radius: var(--radius-sm);
    padding: .85rem 1rem;
    margin-top: 1rem;
    font-size: .9rem;
    background: var(--color-bg-alt);
    border: 1px dashed currentColor;
}

/* ---------- Stats grid (Admin dashboard) ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.1rem 1.25rem;
    box-shadow: var(--shadow-sm);
}

.stat-value { font-size: 1.65rem; font-weight: 800; line-height: 1.1; }

.stat-label {
    font-size: .78rem;
    color: var(--color-text-muted);
    font-weight: 600;
    margin-top: .3rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.stat-card.accent-primary .stat-value { color: var(--color-primary); }
.stat-card.accent-success .stat-value { color: var(--color-success); }
.stat-card.accent-warning .stat-value { color: var(--color-warning); }

/* ---------- Section header ---------- */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin: 2rem 0 1rem;
    flex-wrap: wrap;
}

.section-header h2 { margin: 0; }

.search-input-wrap { position: relative; min-width: 220px; flex: 1; max-width: 320px; }
.search-input-wrap .form-input { padding-left: 2.2rem; }

.search-icon {
    position: absolute;
    left: .7rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 1rem;
    color: var(--color-text-muted);
}

/* ---------- Table / responsive cards ---------- */
.table-wrap {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

table.codes { width: 100%; border-collapse: collapse; font-size: .9rem; }

table.codes thead th {
    text-align: left;
    padding: .85rem 1rem;
    background: var(--color-bg);
    color: var(--color-text-muted);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    font-weight: 700;
    border-bottom: 1px solid var(--color-border);
}

table.codes tbody td {
    padding: .85rem 1rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

table.codes tbody tr:last-child td { border-bottom: none; }
table.codes tbody tr:hover { background: color-mix(in srgb, var(--color-primary) 4%, transparent); }

.mono-code { font-weight: 700; letter-spacing: .12em; font-variant-numeric: tabular-nums; }

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .25rem .65rem;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 700;
}

.status-badge.active { background: var(--color-success-bg); color: var(--color-success); border: 1px solid var(--color-success-border); }
.status-badge.inactive { background: var(--color-danger-bg); color: var(--color-danger); border: 1px solid var(--color-danger-border); }

.row-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

.deactivate-reason-picker { display: flex; align-items: center; gap: .4rem; flex-wrap: wrap; }
.form-input-sm { padding: .3rem .5rem; font-size: .85rem; min-width: 12rem; }

.empty-state { padding: 3rem 1.5rem; text-align: center; color: var(--color-text-muted); }

/* Mobile card layout for table */
@media (max-width: 720px) {
    table.codes thead { display: none; }

    table.codes, table.codes tbody, table.codes tr, table.codes td {
        display: block;
        width: 100%;
    }

    table.codes tr { padding: 1rem; border-bottom: 8px solid var(--color-bg); }

    table.codes td {
        border-bottom: none;
        padding: .35rem 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        text-align: right;
    }

    table.codes td::before {
        content: attr(data-label);
        font-weight: 700;
        font-size: .72rem;
        text-transform: uppercase;
        letter-spacing: .04em;
        color: var(--color-text-muted);
        text-align: left;
    }

    table.codes td.row-actions-cell { justify-content: flex-end; }
    table.codes td.row-actions-cell::before { content: none; }
}

/* ---------- Generated code highlight ---------- */
.generated-panel { text-align: center; }

.generated-code {
    font-size: clamp(1.8rem, 1.2rem + 2.5vw, 2.6rem);
    font-weight: 800;
    letter-spacing: .4rem;
    color: var(--color-primary);
    margin: .5rem 0 1rem;
    font-variant-numeric: tabular-nums;
}

.copy-hint { font-size: .8rem; color: var(--color-text-muted); }

/* ---------- Utility ---------- */
.flex-row { display: flex; align-items: center; gap: .6rem; }
.mt-0 { margin-top: 0 !important; }
.text-center { text-align: center; }
.muted { color: var(--color-text-muted); }

@media (min-width: 560px) {
    .verify-form { flex-direction: row; align-items: stretch; }
    .verify-form .code-input-wrap { flex: 1; margin: 0; }
    .verify-form .btn-verify { align-self: stretch; }
}