/* ── Maru Cafe POS — Mobile-First Styles ────────────────────────── */

:root {
    --bg: #0f0f1a;
    --card-bg: #1a1a2e;
    --card-bg-2: #16213e;
    --border: #2a2a4a;
    --primary: #00d4aa;
    --primary-dark: #00a88a;
    --danger: #ff4757;
    --danger-bg: #2d1b1b;
    --warning: #ffa502;
    --warning-bg: #2d2415;
    --success: #2ed573;
    --text: #e8e8f0;
    --text-muted: #8888a0;
    --text-dim: #555570;
    --radius: 12px;
    --radius-sm: 8px;
    --spacing: 1rem;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

.app {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-bottom: 70px; /* space for bottom nav */
}

/* ── Top Bar ── */
.top-bar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem var(--spacing);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}
.top-bar-left { display: flex; align-items: center; gap: 0.75rem; }
.logo { font-weight: 700; font-size: 1.1rem; color: var(--primary); }
.shift-badge {
    font-size: 0.75rem;
    background: rgba(0, 212, 170, 0.15);
    color: var(--primary);
    padding: 0.2rem 0.5rem;
    border-radius: 20px;
}
.alert-badge {
    background: var(--danger);
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
}

/* ── Content ── */
.content {
    flex: 1;
    padding: var(--spacing);
}

.page-header {
    margin-bottom: 1rem;
}
.page-header h2 { font-size: 1.3rem; margin-bottom: 0.25rem; }
.shift-tag { font-size: 0.8rem; color: var(--text-muted); }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: white;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--primary); color: #0f0f1a; }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-start { background: var(--primary); color: #0f0f1a; width: 100%; font-size: 1.1rem; padding: 1rem; }
.btn-end-shift { background: var(--danger); width: 100%; font-size: 1.1rem; padding: 1rem; }
.btn-lg { width: 100%; padding: 1rem; font-size: 1.1rem; }
.btn-sm { padding: 0.5rem 0.75rem; font-size: 0.85rem; border-radius: 6px; }
.btn-voice { width: 100%; padding: 1.25rem; font-size: 1.2rem; }
.btn-voice.listening { background: var(--danger); animation: pulse 1s infinite; }
.btn-restock { background: var(--primary-dark); color: white; width: 100%; }
.btn-resolve { background: var(--success); color: #0f0f1a; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ── Forms ── */
.form-group {
    margin-bottom: 1rem;
}
.form-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
    color: var(--text-muted);
}
.form-group select,
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.85rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 1rem;
    transition: border 0.2s;
}
.form-group select:focus,
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}
.form-group textarea { resize: vertical; font-family: inherit; }
.form-row { display: flex; gap: 0.75rem; }
.form-row .half { flex: 1; }

/* ── Start Shift Card ── */
.start-shift-card {
    text-align: center;
    padding-top: 2rem;
}
.greeting { margin-bottom: 2rem; }
.greet-icon { font-size: 3rem; display: block; margin-bottom: 0.5rem; }
.greeting h2 { font-size: 1.5rem; color: var(--primary); margin-bottom: 0.25rem; }
.greeting p { color: var(--text-muted); }

.start-form {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    text-align: left;
}

/* ── Active Shift Dashboard ── */
.shift-active-card { }
.sale-ticker {
    background: linear-gradient(135deg, var(--primary), #00a88a);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    margin-bottom: 1rem;
}
.ticker-label { display: block; font-size: 0.85rem; opacity: 0.8; }
.ticker-amount { display: block; font-size: 2.2rem; font-weight: 800; }

.quick-stats {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.stat-box {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    text-align: center;
}
.stat-label { display: block; font-size: 0.7rem; color: var(--text-muted); }
.stat-value { display: block; font-size: 0.9rem; font-weight: 600; margin-top: 0.2rem; }

.action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 1rem 0.5rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text);
    border: 1px solid var(--border);
    transition: all 0.2s;
}
.action-btn:active { border-color: var(--primary); }
.action-icon { font-size: 1.5rem; }
.action-text { font-size: 0.75rem; font-weight: 600; }
.action-voice { border-color: rgba(255, 165, 2, 0.3); }

/* ── Sale List ── */
.sale-list { list-style: none; }
.sale-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}
.sale-time { color: var(--text-muted); min-width: 3rem; font-size: 0.75rem; }
.sale-items { flex: 1; }
.sale-sub { font-size: 0.75rem; color: var(--text-dim); }
.sale-amount { font-weight: 700; white-space: nowrap; }
.sale-source.voice { font-size: 0.9rem; }
.sale-empty, .log-empty, .empty { color: var(--text-muted); text-align: center; padding: 1rem; }

.recent-block { margin-top: 1.5rem; }
.recent-block h3 { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.5rem; }

/* ── Voice ── */
.voice-section { margin-bottom: 1.5rem; }
.voice-card {
    background: var(--card-bg-2);
    border: 2px dashed var(--warning);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
}
.voice-icon { font-size: 3rem; margin-bottom: 0.5rem; }
.voice-status { color: var(--text-muted); margin-bottom: 1rem; font-size: 0.9rem; }
.voice-recognized {
    background: rgba(255, 165, 2, 0.1);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    margin-bottom: 1rem;
    font-style: italic;
    min-height: 2rem;
}
.voice-hints { margin-top: 1rem; }
.hint-text { font-size: 0.8rem; color: var(--text-muted); }
.hint-list { list-style: none; font-size: 0.8rem; color: var(--text-dim); margin-top: 0.25rem; }
.hint-list li { padding: 0.15rem 0; }

.voice-result {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
}
.voice-success { font-size: 1.2rem; font-weight: 700; color: var(--success); margin-bottom: 0.5rem; }
.result-row { font-size: 1.1rem; margin: 0.25rem 0; }
.result-raw { font-size: 0.8rem; color: var(--text-dim); margin-top: 0.5rem; font-style: italic; }

/* ── Sale Total ── */
.sale-total {
    font-size: 1.3rem;
    font-weight: 700;
    text-align: center;
    padding: 0.75rem;
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}
.sale-total span { color: var(--primary); font-size: 1.5rem; }

/* ── End Shift ── */
.summary-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
}
.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}
.summary-row.highlight { border-bottom: 2px solid var(--primary); }
.summary-row.total-row { border-bottom: none; font-size: 1.1rem; }
.amount-green { color: var(--success); }
.amount-blue { color: var(--primary); }

.diff-display {
    margin-top: 0.5rem;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
}
.diff-ok { background: rgba(46, 213, 115, 0.15); color: var(--success); }
.diff-over { background: var(--warning-bg); color: var(--warning); }
.diff-short { background: var(--danger-bg); color: var(--danger); }

/* ── Reconciliation ── */
.recon-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}
.recon-card.status-ok { border-color: var(--success); }
.recon-card.status-flagged { border-color: var(--danger); }

.recon-status { margin-bottom: 0.75rem; font-size: 1.1rem; }
.recon-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}
.recon-item { text-align: center; }
.recon-label { font-size: 0.75rem; color: var(--text-muted); display: block; }
.recon-value { font-size: 1.2rem; font-weight: 700; }
.recon-diff.negative .recon-value { color: var(--danger); }
.recon-diff.positive .recon-value { color: var(--warning); }

/* ── Alerts ── */
.alert-item {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-left: 3px solid;
    font-size: 0.85rem;
}
.alert-item.severity-critical { border-color: var(--danger); }
.alert-item.severity-high { border-color: var(--warning); }
.alert-item.severity-medium { border-color: #ffa502; }
.alert-item.severity-low { border-color: var(--primary); }
.alert-badge-sev {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    white-space: nowrap;
}
.severity-critical .alert-badge-sev { background: var(--danger); color: white; }
.severity-high .alert-badge-sev { background: var(--warning); color: #0f0f1a; }
.alert-text { flex: 1; }
.alert-time { color: var(--text-dim); font-size: 0.7rem; white-space: nowrap; }

.alerts-section { margin-bottom: 1.5rem; }
.alerts-section h3 { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.5rem; }

/* Alerts page */
.alert-summary { display: flex; gap: 0.75rem; margin-top: 0.25rem; }
.alert-stat { font-size: 0.85rem; padding: 0.2rem 0.5rem; border-radius: 20px; background: var(--card-bg); }
.alert-stat.critical { background: var(--danger-bg); color: var(--danger); font-weight: 700; }
.alert-stat.muted { color: var(--text-dim); }

.alert-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    border-left: 4px solid;
}
.alert-card.severity-critical { border-color: var(--danger); }
.alert-card.severity-high { border-color: var(--warning); }
.alert-card.severity-medium { border-color: #ffa502; }
.alert-card.severity-low { border-color: var(--primary); }
.alert-card.resolved { opacity: 0.6; }
.alert-header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.4rem; }
.alert-badge {
    font-size: 0.65rem; font-weight: 700; padding: 0.15rem 0.4rem;
    border-radius: 4px; background: var(--border);
}
.alert-type { flex: 1; font-weight: 600; text-transform: capitalize; }
.alert-body { font-size: 0.85rem; margin-bottom: 0.5rem; }
.alert-footer { text-align: right; }
.resolved-tag { font-size: 0.75rem; color: var(--text-dim); }

/* ── Inventory ── */
.stock-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
.stock-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 0.75rem;
    border: 1px solid var(--border);
}
.stock-card.out { border-color: var(--danger); }
.stock-card.low { border-color: var(--warning); }
.stock-card.ok { border-color: var(--border); }

.stock-info { margin-bottom: 0.5rem; }
.stock-name { display: block; font-weight: 600; font-size: 0.9rem; }
.stock-category { display: block; font-size: 0.7rem; color: var(--text-muted); }
.stock-qty { text-align: center; margin-bottom: 0.25rem; }
.stock-num { font-size: 1.8rem; font-weight: 800; }
.stock-unit { display: block; font-size: 0.7rem; color: var(--text-muted); }
.stock-indicator { text-align: center; font-size: 0.75rem; margin-bottom: 0.5rem; }

/* Modal */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 1rem;
}
.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.5rem;
    width: 100%;
    max-width: 360px;
}
.modal-content h3 { margin-bottom: 0.5rem; }
.modal-actions { display: flex; gap: 0.5rem; margin-top: 1rem; }
.modal-actions .btn { flex: 1; }

/* Inventory Logs */
.logs-section { }
.logs-section h3 { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.log-list { list-style: none; }
.log-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}
.log-qty { font-weight: 700; min-width: 3rem; }
.log-qty.positive { color: var(--success); }
.log-qty.negative { color: var(--danger); }
.log-product { flex: 1; }
.log-reason { color: var(--text-muted); font-size: 0.75rem; }
.log-time { color: var(--text-dim); font-size: 0.7rem; }

/* ── Reports ── */
.grand-total-card {
    background: linear-gradient(135deg, var(--primary), #00a88a);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    margin-bottom: 1.5rem;
}
.grand-total-card span { display: block; font-size: 0.85rem; opacity: 0.8; }
.grand-total-card strong { display: block; font-size: 2rem; font-weight: 800; }

.period-form { margin-top: 0.5rem; }
.period-form label { font-size: 0.85rem; color: var(--text-muted); }
.period-form select {
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
}

.report-section { margin-bottom: 1.5rem; }
.report-section h3 { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.5rem; }

.daily-list, .top-list, .shift-list { list-style: none; }
.daily-item, .top-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}
.daily-day, .top-name { flex: 1; }
.top-list { list-style: decimal inside; }
.top-item { padding-left: 0.5rem; }
.top-item::marker { color: var(--text-muted); }
.daily-count, .top-qty { color: var(--text-muted); font-size: 0.75rem; }
.daily-total, .top-total { font-weight: 700; }

.shift-card-report {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    margin-bottom: 0.5rem;
}
.shift-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}
.shift-stats {
    display: flex;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.shift-recon {
    margin-top: 0.4rem;
    font-size: 0.8rem;
    font-weight: 600;
}
.shift-recon.flagged { color: var(--danger); }

/* ── Bottom Navigation ── */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-around;
    padding: 0.4rem 0;
    padding-bottom: max(0.4rem, env(safe-area-inset-bottom));
    z-index: 100;
}
.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    transition: color 0.2s;
}
.nav-item.active { color: var(--primary); }
.nav-item.nav-voice { color: var(--warning); }
.nav-icon { font-size: 1.3rem; }
.nav-label { margin-top: 0.1rem; }

/* ── Empty State ── */
.empty-state { text-align: center; padding: 2rem; color: var(--text-muted); }
.empty-icon { font-size: 3rem; display: block; margin-bottom: 0.5rem; }

/* ── Misc ── */
.today-summary { text-align: center; padding: 1rem 0; color: var(--text-muted); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Responsive / Desktop tweaks ── */
@media (min-width: 768px) {
    .app { padding-bottom: 0; }
    .bottom-nav { position: static; border-top: none; border-bottom: 1px solid var(--border); }
    .stock-grid { grid-template-columns: 1fr 1fr 1fr; }
}

/* ── Animations ── */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.shift-active-card, .start-shift-card, .sale-page, .recon-page {
    animation: fadeIn 0.3s ease-out;
}