/* ==========================================================
   Cardify Suite - Shared Stylesheet
   Mobile-first, dark theme, PWA-ready.
   ========================================================== */

:root {
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #0f172a;
    --accent: #10b981;
    --accent-hover: #059669;
    --danger: #ef4444;
    --warning: #f59e0b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
    --radius: 12px;
    --radius-sm: 8px;
    --nav-height: 60px;
    --bottom-nav-height: 64px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-padding-top: calc(var(--nav-height) + env(safe-area-inset-top, 0px));
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    -webkit-tap-highlight-color: transparent;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

/* ---------------- Navbar ---------------- */
.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
    padding-top: calc(12px + env(safe-area-inset-top, 0px));
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}

.logo {
    font-size: 1.15rem;
    font-weight: 800;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}
.logo i { color: var(--accent); }

.nav-toggle {
    display: inline-flex;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.3rem;
    padding: 8px;
    cursor: pointer;
}

.nav-links {
    display: none;
    list-style: none;
    flex-direction: column;
    gap: 4px;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 8px 16px 16px;
}
.nav-links.open { display: flex; }

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 12px 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: var(--radius-sm);
    min-height: 44px;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); background: rgba(16, 185, 129, 0.08); }
.nav-links a.admin-link { color: var(--warning); }

.btn-sm {
    background: var(--accent);
    color: #fff !important;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 44px;
}
.btn-sm:hover { background: var(--accent-hover); }
.btn-block { width: 100%; }

.btn-ghost {
    background: transparent;
    color: var(--text-muted) !important;
    border: 1px solid var(--border);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent) !important; }
.btn-danger-text { color: #fca5a5 !important; border-color: rgba(239, 68, 68, 0.4); }
.btn-danger-text:hover { border-color: var(--danger); color: var(--danger) !important; }
.btn-icon { padding: 8px 10px; }

/* ---------------- Bottom nav (mobile only) ---------------- */
.bottom-nav {
    display: none;
}

body.has-bottom-nav {
    padding-bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px));
}

/* ---------------- Layout ---------------- */
.main-content {
    flex: 1;
    padding: 20px 16px 32px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.page-header { margin-bottom: 20px; }
.page-header h2 { font-size: 1.3rem; }

.section-title { margin-bottom: 16px; font-size: 1.05rem; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin: 24px 0 12px; flex-wrap: wrap; gap: 8px; }
.section-header h3 { font-size: 1.05rem; }
.link-muted { color: var(--text-muted); font-size: 0.85rem; }
.link-muted:hover { color: var(--accent); }

.site-footer {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
}

/* ---------------- Cards & stats ---------------- */
.card {
    background: var(--bg-card);
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    padding: 18px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.stat-label { color: var(--text-muted); font-size: 0.82rem; margin-bottom: 8px; }
.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-value.accent, .accent { color: var(--accent); }

.cta-banner {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border: 1px solid var(--accent);
    padding: 20px;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 8px;
}
.cta-banner h3 { margin-bottom: 4px; font-size: 1.05rem; }
.cta-banner p { color: var(--text-muted); font-size: 0.88rem; }

.two-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

/* ---------------- Forms ---------------- */
.form-group { margin-bottom: 16px; }
.form-label { display: block; margin-bottom: 6px; font-size: 0.85rem; color: var(--text-muted); }
.form-hint { display: block; margin-top: 4px; font-size: 0.75rem; color: var(--text-muted); }

.form-input {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 16px; /* prevents iOS auto-zoom on focus */
    min-height: 44px;
}
.form-input:focus { outline: none; border-color: var(--accent); }
.form-input-sm { min-height: 40px; padding: 8px 10px; font-size: 0.9rem; width: auto; }

.form-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.form-row .form-input { flex: 1 1 160px; }

.inline-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 6px; }
.inline-check { display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--text-muted); }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chip {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.82rem;
    cursor: pointer;
    min-height: 36px;
}
.chip:hover, .chip-active { border-color: var(--accent); color: var(--accent); }

.auth-card {
    max-width: 420px;
    margin: 24px auto;
    background: var(--bg-card);
    padding: 28px 22px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.auth-title { margin-bottom: 20px; text-align: center; }
.auth-footer { margin-top: 16px; text-align: center; font-size: 0.85rem; color: var(--text-muted); }
.auth-footer a { color: var(--accent); }

/* ---------------- Alerts & badges ---------------- */
.alert { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: 0.88rem; }
.alert-danger { background: rgba(239, 68, 68, 0.15); border: 1px solid var(--danger); color: #fca5a5; }
.alert-success { background: rgba(16, 185, 129, 0.15); border: 1px solid var(--accent); color: #6ee7b7; }

.badge { font-size: 0.72rem; padding: 4px 8px; border-radius: 4px; display: inline-block; white-space: nowrap; }
.badge-completed { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; }
.badge-pending { background: rgba(245, 158, 11, 0.2); color: #fde047; }
.badge-cancelled { background: rgba(239, 68, 68, 0.2); color: #fca5a5; }

.code { font-family: 'SFMono-Regular', Consolas, monospace; font-weight: 700; }
.text-muted { color: var(--text-muted); }
.small { font-size: 0.78rem; }
.empty-state { padding: 24px 8px; text-align: center; color: var(--text-muted); }

/* ---------------- Buy card page ---------------- */
.buy-layout { display: grid; grid-template-columns: 1fr; gap: 20px; }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 12px;
}
.card-item {
    background: var(--bg-card);
    border: 2px solid var(--border);
    padding: 14px 10px;
    border-radius: var(--radius);
    text-align: center;
    cursor: pointer;
}
.card-item.active { border-color: var(--accent); }
.card-item-icon { width: 44px; height: 44px; object-fit: contain; margin: 0 auto 8px; }
.card-item-icon-fallback {
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; color: var(--accent);
    background: rgba(16, 185, 129, 0.1); border-radius: 8px;
}
.card-item-title { font-size: 0.82rem; font-weight: 600; }
.card-item-rate {
    font-size: 0.68rem; color: var(--accent); background: rgba(16, 185, 129, 0.15);
    padding: 2px 6px; border-radius: 4px; display: inline-block; margin-top: 6px;
}

.purchase-panel { display: flex; flex-direction: column; justify-content: space-between; }

.calc-panel { background: var(--bg-input); padding: 14px; border-radius: var(--radius-sm); margin-bottom: 18px; }
.calc-row { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 0.85rem; color: var(--text-muted); }
.calc-row strong, .calc-row span:last-child { color: #fff; }
.calc-divider { border: 0; border-top: 1px dashed var(--border); margin: 10px 0; }
.calc-total { font-size: 1.05rem; font-weight: 700; margin-bottom: 0; }
.calc-total span:last-child { color: var(--accent); }

/* ---------------- Bank detail rows ---------------- */
.bank-detail {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem;
}
.bank-detail span:first-child { color: var(--text-muted); min-width: 110px; }

/* ---------------- Tabs (admin) ---------------- */
.tab-nav {
    display: flex; gap: 6px; overflow-x: auto; margin-bottom: 18px;
    border-bottom: 1px solid var(--border); padding-bottom: 0;
    -webkit-overflow-scrolling: touch;
}
.tab-nav a {
    padding: 10px 14px; font-size: 0.88rem; color: var(--text-muted);
    white-space: nowrap; border-bottom: 2px solid transparent;
}
.tab-nav a.active { color: var(--accent); border-color: var(--accent); }

.filter-row { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }

/* ---------------- Tables: responsive card-row pattern ---------------- */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.88rem; }
.data-table thead tr { border-bottom: 1px solid var(--border); color: var(--text-muted); }
.data-table th, .data-table td { padding: 12px 14px; vertical-align: middle; }
.data-table tbody tr { border-bottom: 1px solid var(--border); }

@media (max-width: 700px) {
    .data-table thead { display: none; }
    .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
    .data-table tr {
        border: 1px solid var(--border); border-radius: var(--radius-sm);
        margin-bottom: 12px; padding: 4px 0;
    }
    .data-table td {
        display: flex; justify-content: space-between; align-items: center;
        gap: 12px; text-align: right; border-bottom: 1px dashed var(--border);
    }
    .data-table td:last-child { border-bottom: none; }
    .data-table td::before {
        content: attr(data-label);
        font-weight: 600; color: var(--text-muted); text-align: left; font-size: 0.78rem;
    }
}

/* ---------------- Pagination ---------------- */
.pagination { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; gap: 12px; }
.page-info { color: var(--text-muted); font-size: 0.85rem; }

/* ---------------- Install banner ---------------- */
.install-banner {
    position: fixed;
    left: 12px; right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    background: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 12px 14px;
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    z-index: 60;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    font-size: 0.85rem;
}
body.has-bottom-nav .install-banner { bottom: calc(var(--bottom-nav-height) + 12px + env(safe-area-inset-bottom, 0px)); }
.install-banner-actions { display: flex; align-items: center; gap: 8px; }

/* ==========================================================
   Tablet / Desktop breakpoint
   ========================================================== */
@media (min-width: 769px) {
    .navbar { padding: 16px 32px; }
    .nav-toggle { display: none; }
    .nav-links {
        display: flex; flex-direction: row; position: static;
        background: transparent; border: none; padding: 0; gap: 20px; align-items: center;
    }
    .nav-links a { min-height: auto; padding: 8px 4px; }

    .bottom-nav { display: none !important; }
    body.has-bottom-nav { padding-bottom: env(safe-area-inset-bottom, 0px); }

    .main-content { padding: 32px; }
    .stats-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
    .two-col { grid-template-columns: 1fr 1fr; }
    .buy-layout { grid-template-columns: 1.8fr 1.2fr; }
    .cta-banner { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* ==========================================================
   Mobile bottom nav (shown below the desktop breakpoint)
   ========================================================== */
@media (max-width: 768px) {
    .bottom-nav {
        display: flex;
        position: fixed; left: 0; right: 0; bottom: 0;
        background: var(--bg-card);
        border-top: 1px solid var(--border);
        padding-bottom: env(safe-area-inset-bottom, 0px);
        z-index: 50;
    }
    .bottom-nav a {
        flex: 1;
        display: flex; flex-direction: column; align-items: center; justify-content: center;
        gap: 2px; padding: 8px 2px; min-height: var(--bottom-nav-height);
        color: var(--text-muted); font-size: 0.65rem;
    }
    .bottom-nav a i { font-size: 1.05rem; }
    .bottom-nav a.active { color: var(--accent); }
}

/* Respect reduced-motion preferences */
@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}