/* ==========================================================================
   QR Payment Voucher System — application stylesheet
   Mobile-first, high contrast, touch friendly. No external dependencies so it
   works under a strict Content-Security-Policy on shared hosting.
   ========================================================================== */

:root {
    /* Colour tokens */
    --color-primary:      #0f172a;
    --color-primary-600:  #1e293b;
    --color-on-primary:   #ffffff;
    --color-accent:       #0369a1;
    --color-accent-dark:  #075985;
    --color-accent-soft:  #e0f2fe;
    --color-bg:           #f1f5f9;
    --color-surface:      #ffffff;
    --color-fg:           #020617;
    --color-muted-fg:     #475569;
    --color-muted:        #e8ecf1;
    --color-border:       #e2e8f0;
    --color-border-strong:#cbd5e1;

    --color-success:      #15803d;
    --color-success-soft: #dcfce7;
    --color-warning:      #b45309;
    --color-warning-soft: #fef3c7;
    --color-danger:       #dc2626;
    --color-danger-soft:  #fee2e2;
    --color-info:         #0369a1;
    --color-info-soft:    #e0f2fe;

    /* Spacing scale (4px rhythm) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;

    --radius-sm: 6px;
    --radius:    10px;
    --radius-lg: 14px;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .04);
    --shadow:    0 2px 4px rgba(15, 23, 42, .06), 0 4px 12px rgba(15, 23, 42, .06);
    --shadow-lg: 0 10px 30px rgba(15, 23, 42, .12);

    --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
                 "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
                 "Liberation Mono", monospace;

    --sidebar-width: 260px;
    --header-height: 56px;

    --z-header: 100;
    --z-sidebar: 200;
    --z-overlay: 190;
    --z-toast: 1000;
    --z-modal: 900;
}

/* ------------------------------------------------------------------ Reset */

*, *::before, *::after { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.55;
    color: var(--color-fg);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4 { margin: 0 0 var(--space-3); line-height: 1.25; font-weight: 600; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.0625rem; }
p  { margin: 0 0 var(--space-3); }

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

img, svg { max-width: 100%; height: auto; vertical-align: middle; }

:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    margin: -1px; padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap; border: 0;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: var(--space-3);
    z-index: 1001;
    background: var(--color-primary);
    color: #fff;
    padding: var(--space-3) var(--space-4);
    border-radius: 0 0 var(--radius) var(--radius);
}
.skip-link:focus { top: 0; }

/* ------------------------------------------------------------ App shell */

.app-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    height: var(--header-height);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0 var(--space-4);
    background: var(--color-primary);
    color: var(--color-on-primary);
    box-shadow: var(--shadow-sm);
    padding-top: env(safe-area-inset-top);
}

.app-header .brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: #fff;
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.app-header .brand:hover { text-decoration: none; }
.app-header .brand svg { flex: none; }

.header-spacer { margin-left: auto; }

.header-user {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: .8125rem;
    color: #cbd5e1;
    max-width: 45vw;
}
.header-user strong { color: #fff; font-weight: 600; }
.header-user .role-chip {
    background: rgba(255, 255, 255, .14);
    color: #fff;
    padding: 2px var(--space-2);
    border-radius: 999px;
    font-size: .6875rem;
    letter-spacing: .02em;
    text-transform: uppercase;
    white-space: nowrap;
}

/* Language switcher — compact pill, readable on the dark header and on cards */
.lang-switch {
    display: inline-flex;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 999px;
    overflow: hidden;
    flex: none;
}
.lang-switch .lang-option {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 0 var(--space-3);
    font-size: .8125rem;
    font-weight: 600;
    color: #cbd5e1;
    text-decoration: none;
    white-space: nowrap;
}
.lang-switch .lang-option:hover { background: rgba(255, 255, 255, .12); text-decoration: none; }
.lang-switch .lang-option.is-active { background: #ffffff; color: var(--color-primary); }

/* On light surfaces (sidebar, login card) the pill inverts. */
.sidebar-foot .lang-switch,
.auth-card .lang-switch {
    border-color: var(--color-border-strong);
    width: 100%;
}
.sidebar-foot .lang-switch .lang-option,
.auth-card .lang-switch .lang-option {
    color: var(--color-muted-fg);
    flex: 1;
    min-height: 44px;
}
.sidebar-foot .lang-switch .lang-option:hover,
.auth-card .lang-switch .lang-option:hover { background: var(--color-muted); }
.sidebar-foot .lang-switch .lang-option.is-active,
.auth-card .lang-switch .lang-option.is-active { background: var(--color-primary); color: #fff; }

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: inherit;
    cursor: pointer;
}
.icon-button:hover { background: rgba(255, 255, 255, .12); }

.app-body { display: flex; min-height: calc(100dvh - var(--header-height)); }

/* Sidebar — a drawer on mobile, permanent from 1024px up */
.sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: var(--sidebar-width);
    max-width: 84vw;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    transform: translateX(-100%);
    transition: transform .22s ease-out;
    z-index: var(--z-sidebar);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
}
.sidebar.is-open { transform: translateX(0); }

.sidebar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}
.sidebar-head .company { font-weight: 600; font-size: .9375rem; }
.sidebar-head .subtitle { font-size: .75rem; color: var(--color-muted-fg); }
.sidebar-head .icon-button { color: var(--color-fg); }
.sidebar-head .icon-button:hover { background: var(--color-muted); }

.sidebar-nav { padding: var(--space-3); flex: 1; }
.sidebar-nav .nav-group-label {
    font-size: .6875rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-muted-fg);
    padding: var(--space-3) var(--space-3) var(--space-1);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    min-height: 44px;
    border-radius: var(--radius-sm);
    color: var(--color-fg);
    font-size: .9375rem;
    font-weight: 500;
    transition: background .15s ease, color .15s ease;
}
.nav-link:hover { background: var(--color-muted); text-decoration: none; }
.nav-link[aria-current="page"] {
    background: var(--color-accent-soft);
    color: var(--color-accent-dark);
    font-weight: 600;
}
.nav-link svg { flex: none; opacity: .85; }
.nav-link.is-danger { color: var(--color-danger); }
.nav-link.is-danger:hover { background: var(--color-danger-soft); }

.sidebar-foot {
    border-top: 1px solid var(--color-border);
    padding: var(--space-3);
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, .5);
    z-index: var(--z-overlay);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease;
}
.sidebar-overlay.is-visible { opacity: 1; pointer-events: auto; }

.main {
    flex: 1;
    min-width: 0;
    padding: var(--space-4);
    padding-bottom: calc(var(--space-10) + env(safe-area-inset-bottom));
}

@media (min-width: 1024px) {
    .sidebar { position: sticky; top: 0; height: 100dvh; transform: none; }
    .sidebar-overlay, .menu-toggle, .sidebar-head .icon-button { display: none; }
    .main { padding: var(--space-6) var(--space-8); }
    .app-body { min-height: 100dvh; }
    .app-header { display: none; }
    .desktop-topbar { display: flex; }
}

/* Desktop top bar lives inside main so the sidebar is full height */
.desktop-topbar {
    display: none;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

/* ------------------------------------------------------------- Page head */

.page-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}
.page-head .page-title { margin: 0; }
.page-head .page-subtitle { margin: var(--space-1) 0 0; color: var(--color-muted-fg); font-size: .875rem; }
.page-head .actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }

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

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-4);
    overflow: hidden;
}
.card-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}
.card-head h2, .card-head h3 { margin: 0; font-size: 1rem; }
.card-body { padding: var(--space-4); }
.card-foot {
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--color-border);
    background: #fbfdff;
}

/* Statistic tiles */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}
.stat {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
}
.stat .stat-label {
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--color-muted-fg);
    font-weight: 600;
    margin-bottom: var(--space-1);
}
.stat .stat-value {
    /* Shrinks rather than wrapping when a long money value meets a narrow tile. */
    font-size: clamp(1.15rem, 5.2vw, 1.5rem);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: -.01em;
    overflow-wrap: anywhere;
}
@media (min-width: 768px) {
    .stat .stat-value { font-size: 1.5rem; }
}
.stat .stat-meta { font-size: .8125rem; color: var(--color-muted-fg); margin-top: var(--space-1); }
.stat.is-success { border-left-color: var(--color-success); }
.stat.is-warning { border-left-color: var(--color-warning); }
.stat.is-danger  { border-left-color: var(--color-danger); }
.stat.is-muted   { border-left-color: var(--color-border-strong); }

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 44px;
    padding: var(--space-3) var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: var(--color-accent);
    color: #fff;
    font: inherit;
    font-size: .9375rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: background .15s ease, border-color .15s ease, opacity .15s ease;
    touch-action: manipulation;
}
.btn:hover { background: var(--color-accent-dark); text-decoration: none; color: #fff; }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; }

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-fg);
    border-color: var(--color-border-strong);
}
.btn-secondary:hover { background: var(--color-muted); color: var(--color-fg); }

.btn-primary-dark { background: var(--color-primary); }
.btn-primary-dark:hover { background: var(--color-primary-600); }

.btn-danger { background: var(--color-danger); }
.btn-danger:hover { background: #b91c1c; }

.btn-success { background: var(--color-success); }
.btn-success:hover { background: #166534; }

.btn-block { width: 100%; }
/* Stays a full touch target on phones; only tightens up on pointer-driven screens. */
.btn-sm { min-height: 44px; padding: var(--space-2) var(--space-3); font-size: .875rem; }
.btn-lg { min-height: 54px; font-size: 1.0625rem; padding: var(--space-4) var(--space-6); }

@media (min-width: 768px) {
    .btn-sm { min-height: 38px; }
}

.btn-group { display: flex; flex-wrap: wrap; gap: var(--space-2); }

.btn .spinner {
    width: 16px; height: 16px;
    border: 2px solid rgba(255, 255, 255, .4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.is-loading .btn-label { opacity: .85; }

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

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}
@media (min-width: 640px) {
    .form-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
    .form-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
}

.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field label { font-size: .875rem; font-weight: 600; color: var(--color-fg); }
.field .hint { font-size: .8125rem; color: var(--color-muted-fg); }
.field .required { color: var(--color-danger); }

input[type="text"], input[type="password"], input[type="email"], input[type="tel"],
input[type="number"], input[type="date"], input[type="search"], select, textarea {
    width: 100%;
    min-height: 46px;
    padding: var(--space-3);
    font: inherit;
    font-size: 16px; /* 16px keeps iOS from zooming on focus */
    color: var(--color-fg);
    background: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    transition: border-color .15s ease, box-shadow .15s ease;
}
textarea { min-height: 96px; resize: vertical; }

input:focus, select:focus, textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(3, 105, 161, .15);
    outline: none;
}
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--color-danger); }
input:disabled, select:disabled, textarea:disabled { background: var(--color-muted); opacity: .7; }

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    padding-right: var(--space-8);
}

.field-error { color: var(--color-danger); font-size: .8125rem; font-weight: 500; }

.checkbox-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-height: 44px;
}
.checkbox-row input[type="checkbox"], .checkbox-row input[type="radio"] {
    width: 20px; height: 20px; accent-color: var(--color-accent); flex: none;
}

fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-4);
    margin: 0 0 var(--space-4);
}
legend { font-weight: 600; font-size: .875rem; padding: 0 var(--space-2); }

/* PIN entry — big, tabular, unmistakable */
.pin-input {
    font-family: var(--font-mono);
    font-size: 1.5rem !important;
    letter-spacing: .18em;
    text-align: center;
    min-height: 60px;
    font-variant-numeric: tabular-nums;
}

.keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
    margin-top: var(--space-3);
}
.keypad button {
    min-height: 56px;
    font-size: 1.25rem;
    font-weight: 600;
    font-family: var(--font-mono);
    background: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    color: var(--color-fg);
    cursor: pointer;
    touch-action: manipulation;
    transition: background .12s ease, transform .12s ease;
}
.keypad button:active { background: var(--color-muted); transform: scale(.97); }
.keypad button.key-action { font-size: .9375rem; font-family: var(--font-sans); }

/* --------------------------------------------------------------- Filters */

.filter-bar {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
    align-items: end;
}
@media (min-width: 640px)  { .filter-bar { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .filter-bar { grid-template-columns: repeat(4, 1fr); } }
.filter-bar .filter-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.filter-bar .filter-actions .btn { flex: 1 1 auto; }

/* --------------------------------------------------- Quick period chips */
/* Segmented control: one continuous row of joined buttons that wraps neatly
   on narrow screens, with the active period filled. */
.period-chips {
    display: flex;
    flex-wrap: wrap;
    border-top: 1px solid var(--color-border);
}
.period-chip {
    flex: 1 1 auto;
    min-width: 116px;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-4);
    font-size: .9375rem;
    font-weight: 500;
    color: var(--color-fg);
    text-align: center;
    text-decoration: none;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    transition: background .15s ease, color .15s ease;
}
.period-chip:last-child { border-right: 0; }
.period-chip:hover { background: var(--color-muted); text-decoration: none; }
.period-chip.is-active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    font-weight: 600;
}
.period-chip.is-active:hover { background: var(--color-accent-dark); }

@media (max-width: 520px) {
    .period-chip { min-width: 50%; font-size: .875rem; }
}

/* ---------------------------------------------------------------- Tables */

.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }

table.data {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}
table.data th, table.data td {
    padding: var(--space-3);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}
table.data thead th {
    background: #f8fafc;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--color-muted-fg);
    font-weight: 700;
    white-space: nowrap;
    position: sticky;
    top: 0;
}
table.data tbody tr:hover { background: #f8fbff; }
table.data tfoot td {
    background: #f8fafc;
    font-weight: 700;
    border-top: 2px solid var(--color-border-strong);
}
table.data .num, table.data .align-right { text-align: right; font-variant-numeric: tabular-nums; }
table.data .align-center { text-align: center; }
table.data th a { color: inherit; display: inline-flex; align-items: center; gap: 4px; }

/* Below 768px every data table turns into a stack of cards. Each cell shows
   its column name from the data-label attribute. */
@media (max-width: 767px) {
    table.data, table.data thead, table.data tbody, table.data tfoot,
    table.data tr, table.data th, table.data td { display: block; }

    table.data thead { position: absolute; left: -9999px; }

    table.data tbody tr {
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius);
        margin-bottom: var(--space-3);
        box-shadow: var(--shadow-sm);
        padding: var(--space-1) var(--space-2);
    }
    table.data tbody td {
        display: flex;
        justify-content: space-between;
        align-items: baseline;
        gap: var(--space-3);
        border: 0;
        border-bottom: 1px dashed var(--color-border);
        padding: var(--space-3) var(--space-2);
        text-align: right;
    }
    table.data tbody td:last-child { border-bottom: 0; }
    table.data tbody td::before {
        content: attr(data-label);
        font-size: .75rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: .03em;
        color: var(--color-muted-fg);
        text-align: left;
        flex: 0 0 42%;
    }
    table.data tbody td.no-label { display: block; text-align: left; }
    table.data tbody td.no-label::before { content: none; }
    table.data tfoot tr {
        background: var(--color-muted);
        border-radius: var(--radius);
        padding: var(--space-2);
    }
    table.data tfoot td { display: flex; justify-content: space-between; text-align: right; }
    table.data tfoot td::before { content: attr(data-label); font-weight: 700; text-align: left; }
    .table-wrap { overflow-x: visible; }
}

.empty-state {
    text-align: center;
    padding: var(--space-10) var(--space-4);
    color: var(--color-muted-fg);
}
.empty-state svg { opacity: .35; margin-bottom: var(--space-3); }
.empty-state h3 { color: var(--color-fg); }

/* ---------------------------------------------------------------- Badges */

.badge {
    display: inline-block;
    padding: 3px var(--space-2);
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .01em;
    white-space: nowrap;
}
.badge-success { background: var(--color-success-soft); color: #14532d; }
.badge-info    { background: var(--color-info-soft);    color: #075985; }
.badge-warning { background: var(--color-warning-soft); color: #92400e; }
.badge-danger  { background: var(--color-danger-soft);  color: #991b1b; }
.badge-dark    { background: #e2e8f0; color: #1e293b; }
.badge-muted   { background: var(--color-muted); color: var(--color-muted-fg); }

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

.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius);
    border: 1px solid;
    margin-bottom: var(--space-4);
    font-size: .9375rem;
}
.alert svg { flex: none; margin-top: 2px; }
.alert-success { background: var(--color-success-soft); border-color: #86efac; color: #14532d; }
.alert-info    { background: var(--color-info-soft);    border-color: #7dd3fc; color: #075985; }
.alert-warning { background: var(--color-warning-soft); border-color: #fcd34d; color: #92400e; }
.alert-danger  { background: var(--color-danger-soft);  border-color: #fca5a5; color: #991b1b; }
.alert ul { margin: var(--space-2) 0 0; padding-left: var(--space-5); }

/* Toast region for JS notifications */
.toast-region {
    position: fixed;
    left: 50%;
    bottom: calc(var(--space-5) + env(safe-area-inset-bottom));
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    width: min(92vw, 420px);
}
.toast {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    font-size: .9375rem;
    font-weight: 500;
    animation: toast-in .2s ease-out;
}
.toast-success { background: #14532d; color: #fff; }
.toast-danger  { background: #991b1b; color: #fff; }
.toast-info    { background: var(--color-primary); color: #fff; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* --------------------------------------------------------------- Scanner */

.scanner-frame {
    position: relative;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    aspect-ratio: 1 / 1;
    background: #0f172a;
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.scanner-frame video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.scanner-frame canvas { display: none; }
.scanner-reticle {
    position: absolute;
    inset: 14%;
    border: 3px solid rgba(255, 255, 255, .9);
    border-radius: var(--radius);
    box-shadow: 0 0 0 100vmax rgba(2, 6, 23, .35);
    pointer-events: none;
}
.scanner-reticle::before,
.scanner-reticle::after {
    content: "";
    position: absolute;
    left: -3px; right: -3px;
    height: 3px;
    background: var(--color-accent);
}
.scanner-reticle::before { top: -3px; }
.scanner-reticle::after  { bottom: -3px; }

.scanner-status {
    text-align: center;
    padding: var(--space-3);
    font-size: .9375rem;
    color: var(--color-muted-fg);
    min-height: 48px;
}
.scanner-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    color: #cbd5e1;
    text-align: center;
    padding: var(--space-5);
}

/* --------------------------------------------------------------- Voucher */

.voucher {
    max-width: 420px;
    margin: 0 auto var(--space-5);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.voucher-head {
    text-align: center;
    padding: var(--space-5) var(--space-4) var(--space-4);
    border-bottom: 2px dashed var(--color-border-strong);
}
.voucher-logo {
    display: block;
    max-height: 56px;
    width: auto;
    margin: 0 auto var(--space-3);
}
.voucher-company { font-size: 1.0625rem; font-weight: 700; }
.voucher-doctype {
    font-size: .75rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--color-muted-fg);
    margin-top: var(--space-1);
}
.voucher-amount {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -.02em;
    margin: var(--space-3) 0 0;
    font-variant-numeric: tabular-nums;
    color: var(--color-primary);
}
.voucher-body { padding: var(--space-5) var(--space-4); text-align: center; }
.voucher-qr {
    display: inline-block;
    padding: var(--space-3);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}
.voucher-qr img, .voucher-qr svg { display: block; width: 220px; height: 220px; }

.voucher-pin-label {
    margin-top: var(--space-4);
    font-size: .75rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--color-muted-fg);
    font-weight: 700;
}
.voucher-pin {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: .12em;
    font-variant-numeric: tabular-nums;
    word-break: break-all;
}

.voucher-meta {
    margin-top: var(--space-4);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-3);
    font-size: .8125rem;
    text-align: left;
}
.voucher-meta dl { display: grid; grid-template-columns: auto 1fr; gap: var(--space-2) var(--space-3); margin: 0; }
.voucher-meta dt { color: var(--color-muted-fg); }
.voucher-meta dd { margin: 0; text-align: right; font-weight: 600; word-break: break-word; }

.voucher-terms {
    padding: var(--space-4);
    border-top: 1px dashed var(--color-border-strong);
    font-size: .75rem;
    color: var(--color-muted-fg);
    line-height: 1.5;
}
.voucher-terms strong { color: var(--color-fg); display: block; margin-bottom: var(--space-1); }

/* Redemption result screens */
.result-panel {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}
.result-panel .result-icon {
    width: 72px; height: 72px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-3);
}
.result-panel h2 { font-size: 1.375rem; margin-bottom: var(--space-2); }
.result-panel .result-amount {
    font-size: 2.5rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    margin: var(--space-2) 0;
}
.result-success { background: var(--color-success-soft); color: #14532d; }
.result-success .result-icon { background: var(--color-success); color: #fff; }
.result-error { background: var(--color-danger-soft); color: #991b1b; }
.result-error .result-icon { background: var(--color-danger); color: #fff; }
.result-warning { background: var(--color-warning-soft); color: #92400e; }
.result-warning .result-icon { background: var(--color-warning); color: #fff; }
.result-info { background: var(--color-info-soft); color: #075985; }
.result-info .result-icon { background: var(--color-info); color: #fff; }

.detail-list { margin: 0; font-size: .9375rem; }
.detail-list div {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
}
.detail-list div:last-child { border-bottom: 0; }
.detail-list dt { color: var(--color-muted-fg); }
.detail-list dd { margin: 0; font-weight: 600; text-align: right; word-break: break-word; }
.detail-list .mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------ Pagination */

.pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    justify-content: center;
}
.pagination a, .pagination span {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-3);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-fg);
    font-size: .875rem;
    font-weight: 600;
}
.pagination a:hover { background: var(--color-muted); text-decoration: none; }
.pagination .is-current { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.pagination .is-gap { border: 0; background: none; min-width: auto; }

.result-count { font-size: .875rem; color: var(--color-muted-fg); text-align: center; padding: 0 var(--space-4) var(--space-3); }

/* ------------------------------------------------------------- Login page */

.auth-wrap {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background:
        radial-gradient(circle at 15% 10%, #1e293b 0%, transparent 45%),
        radial-gradient(circle at 85% 90%, #075985 0%, transparent 45%),
        var(--color-primary);
}
.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-6);
}
.auth-brand { text-align: center; margin-bottom: var(--space-5); }
.auth-brand .logo-mark {
    width: 56px; height: 56px;
    margin: 0 auto var(--space-3);
    border-radius: var(--radius);
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}
.auth-brand h1 { font-size: 1.25rem; margin-bottom: var(--space-1); }
.auth-brand p { color: var(--color-muted-fg); font-size: .875rem; margin: 0; }
.auth-foot { text-align: center; margin-top: var(--space-5); font-size: .8125rem; color: var(--color-muted-fg); }

.password-field { position: relative; }
.password-field input { padding-right: 52px; }
.password-field .toggle-password {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    min-width: 44px;
    min-height: 44px;
    border: 0;
    background: none;
    color: var(--color-muted-fg);
    cursor: pointer;
    border-radius: var(--radius-sm);
}
.password-field .toggle-password:hover { background: var(--color-muted); }

/* --------------------------------------------------------------- Helpers */

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.text-muted { color: var(--color-muted-fg); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.fw-600 { font-weight: 600; }
.fs-sm { font-size: .875rem; }
.fs-xs { font-size: .8125rem; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mb-0 { margin-bottom: 0; }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.d-none { display: none; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.gap-2 { gap: var(--space-2); }
.wrap-anywhere { overflow-wrap: anywhere; }

.summary-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-3);
    padding: var(--space-4);
    background: #f8fafc;
    border-bottom: 1px solid var(--color-border);
}
.summary-strip .summary-item .label {
    font-size: .6875rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--color-muted-fg);
    font-weight: 700;
}
.summary-strip .summary-item .value {
    font-size: 1.0625rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

/* Confirmation dialog */
dialog.modal {
    border: 0;
    border-radius: var(--radius-lg);
    padding: 0;
    width: min(94vw, 440px);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-modal);
}
dialog.modal::backdrop { background: rgba(2, 6, 23, .55); }
dialog.modal .modal-body { padding: var(--space-5); }
dialog.modal .modal-foot {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--color-border);
    background: #f8fafc;
}
dialog.modal .modal-foot .btn { flex: 1; }

/* ---------------------------------------------------------------- Print */

@media print {
    :root { --color-bg: #fff; }
    body { background: #fff; font-size: 12pt; }
    .app-header, .sidebar, .sidebar-overlay, .desktop-topbar,
    .no-print, .btn, .pagination, .filter-bar, .toast-region { display: none !important; }
    .main { padding: 0; }
    .card, .voucher {
        box-shadow: none;
        border: 1px solid #999;
        break-inside: avoid;
        page-break-inside: avoid;
    }
    table.data { font-size: 10pt; }
    table.data thead th { background: #eee !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    table.data tbody tr:hover { background: none; }
    a[href]::after { content: ""; }
    .print-header { display: block !important; margin-bottom: 12pt; }
    .voucher { max-width: 100%; margin: 0; }
}

.print-header { display: none; }

/* --------------------------------------------------- Motion preferences */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}