:root {
    --color-bg: #f7f7f5;
    --color-surface: #ffffff;
    --color-border: #e0ddd6;
    --color-text: #2b2b28;
    --color-muted: #767268;
    --color-primary: #b5502e;
    --color-primary-dark: #8f3f24;
    --color-danger: #c0392b;
    --color-success: #2e7d4f;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
}

.page { max-width: 720px; margin: 0 auto; padding: 16px 16px 120px; }

/* Warm curry-shop palette for the customer/staff ordering flow, instead of
   the plain white used by the admin/dashboard pages. */
.menu-page, .confirmation-page {
    --color-bg: #f7ead0;
    --color-surface: #fffaf0;
    --color-border: #e4cd9c;
    background: var(--color-bg);
    border-radius: var(--radius);
}

.menu-hero {
    display: block;
    width: 100%;
    height: auto;
    margin: 0 auto 12px;
    border-radius: var(--radius);
}

h1 { font-size: 1.5rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 24px 0 8px; }
.hint { color: var(--color-muted); font-size: 0.9rem; margin: 0 0 16px; }
.error { color: var(--color-danger); font-weight: 600; }

/* ---- Menu / ordering page ---- */
.category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}
.category-grid[hidden] { display: none; }
.category-tile {
    position: relative;
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 12px 30px 12px 16px;
    cursor: pointer;
    font-family: inherit;
}
.category-tile:active { background: var(--color-bg); }
.category-tile-name { font-weight: 700; font-size: 1rem; }
.category-tile-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.back-to-categories {
    background: none;
    border: none;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0 0 12px;
    cursor: pointer;
    font-family: inherit;
}

.menu-item {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 12px 14px;
    margin-bottom: 8px;
}
.flavor-options {
    flex-basis: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed var(--color-border);
}
.flavor-label { font-size: 0.85rem; color: var(--color-primary); font-weight: 600; }
.flavor-option { display: flex; align-items: center; gap: 4px; font-size: 0.9rem; }
.omelet-upgrade {
    flex-basis: 100%;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--color-muted);
}
.menu-item-info { display: flex; flex-direction: column; }
.menu-item-name { font-weight: 600; }
.menu-item-price { color: var(--color-muted); font-size: 0.9rem; }

.qty-stepper { display: flex; align-items: center; gap: 10px; }
.qty-btn {
    width: 36px; height: 36px; border-radius: 50%;
    border: 1px solid var(--color-border); background: var(--color-surface);
    font-size: 1.2rem; line-height: 1; cursor: pointer;
}
.qty-btn:active { background: var(--color-bg); }
.qty-value { min-width: 20px; text-align: center; font-weight: 600; }

.order-note input, .login-form input, .inline-form input {
    width: 100%; padding: 10px; border: 1px solid var(--color-border);
    border-radius: var(--radius); font-size: 1rem; margin-top: 4px;
}

.payment-options { display: flex; gap: 12px; }
.payment-option {
    flex: 1; border: 1px solid var(--color-border); border-radius: var(--radius);
    padding: 12px; text-align: center; cursor: pointer;
}
.payment-option input { margin-right: 6px; }

.cart-bar {
    position: fixed; left: 0; right: 0; bottom: 0;
    background: var(--color-surface); border-top: 1px solid var(--color-border);
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 20px; max-width: 720px; margin: 0 auto;
}
.cart-total { font-weight: 700; font-size: 1.1rem; }
#submit-order, .login-form button, .inline-form button {
    background: var(--color-primary); color: #fff; border: none;
    padding: 12px 22px; border-radius: var(--radius); font-size: 1rem; cursor: pointer;
}
#submit-order:disabled { background: var(--color-border); color: var(--color-muted); cursor: not-allowed; }
#submit-order:not(:disabled):active, .login-form button:active { background: var(--color-primary-dark); }

/* ---- Confirmation / LINE Pay ---- */
.order-summary { list-style: none; padding: 0; }
.order-summary li { padding: 6px 0; border-bottom: 1px dashed var(--color-border); }
.order-total { font-size: 1.2rem; font-weight: 700; margin: 12px 0; }
.linepay-box { text-align: center; margin: 20px 0; }
.linepay-qr { max-width: 240px; width: 100%; border: 1px solid var(--color-border); border-radius: var(--radius); }
.btn-secondary {
    display: inline-block; margin-top: 16px; padding: 10px 18px;
    border: 1px solid var(--color-border); border-radius: var(--radius);
    color: var(--color-text); text-decoration: none;
}
.btn-danger {
    padding: 6px 14px; border: 1px solid #c0392b; border-radius: var(--radius);
    background: #fff; color: #c0392b; cursor: pointer;
}
.btn-danger:hover { background: #c0392b; color: #fff; }

/* ---- Login ---- */
.login-page { max-width: 360px; padding-top: 80px; }
.login-form { display: flex; flex-direction: column; gap: 4px; }
.login-form button { margin-top: 12px; }

/* ---- Dashboard ---- */
.dashboard-page { max-width: 1100px; }
.dashboard-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.dashboard-nav { display: flex; align-items: center; gap: 14px; }
.dashboard-nav a { color: var(--color-text); text-decoration: none; }
.dashboard-nav button { padding: 8px 14px; border-radius: var(--radius); border: 1px solid var(--color-border); background: var(--color-surface); cursor: pointer; }
.logout-form { margin: 0; }

.report-notice {
    background: #eaf3ec; color: var(--color-success); border: 1px solid var(--color-success);
    padding: 10px 14px; border-radius: var(--radius); margin-top: 12px; font-weight: 600;
}

.connection-banner {
    background: var(--color-danger); color: #fff; text-align: center;
    padding: 10px; border-radius: var(--radius); margin-top: 12px; font-weight: 600;
}
.connection-banner.hidden { display: none; }

.orders-board {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px; margin-top: 20px;
}
.empty-state { color: var(--color-muted); grid-column: 1 / -1; text-align: center; padding: 40px 0; }

.order-card {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); padding: 14px;
}
.order-card.is-new { animation: flash 1.2s ease-in-out 2; }
@keyframes flash { 0%, 100% { box-shadow: none; } 50% { box-shadow: 0 0 0 4px var(--color-primary); } }

.order-card-header { display: flex; justify-content: space-between; font-weight: 700; margin-bottom: 8px; }
.order-card-payment { font-size: 0.85rem; color: var(--color-muted); margin-bottom: 8px; }
.payment-toggle { display: flex; gap: 6px; margin-bottom: 8px; }
.payment-toggle-btn {
    flex: 1; padding: 6px 8px; font-size: 0.8rem; border-radius: var(--radius);
    border: 1px solid var(--color-border); background: var(--color-surface);
    color: var(--color-muted); cursor: pointer;
}
.payment-toggle-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.order-card-items { list-style: none; padding: 0; margin: 0 0 10px; font-size: 0.95rem; }
.order-card-items li { padding: 3px 0; }
.order-card-total { font-weight: 700; margin-bottom: 10px; }
.order-card-actions { display: flex; gap: 8px; }
.order-card-actions button {
    flex: 1; padding: 10px; border-radius: var(--radius); border: none; cursor: pointer; font-size: 0.95rem;
}
.btn-confirm { background: var(--color-success); color: #fff; }
.btn-cancel { background: transparent; color: var(--color-danger); border: 1px solid var(--color-danger) !important; }

/* ---- Admin tables/menu/staff ---- */
.admin-page { max-width: 900px; }
.back-link { display: inline-block; margin-bottom: 12px; color: var(--color-muted); text-decoration: none; }
.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 20px; }
.inline-form input { width: auto; margin-top: 0; }
.checkbox-label { display: flex; align-items: center; gap: 6px; }

.admin-table { width: 100%; border-collapse: collapse; background: var(--color-surface); }
.admin-table th, .admin-table td { border: 1px solid var(--color-border); padding: 8px; text-align: left; }
.admin-table input[type="text"], .admin-table input[type="number"] { width: 100%; padding: 6px; }
.qr-thumb { width: 60px; height: 60px; }

/* ---- Ticket / QR print ---- */
.ticket-body, .qr-page-body { display: flex; justify-content: center; padding: 20px; }
.ticket { width: 280px; font-family: monospace; }
.ticket-items { list-style: none; padding: 0; }
.ticket-items li { display: flex; flex-direction: column; padding: 4px 0; }
.ticket-item-note { font-size: 0.85rem; color: var(--color-muted); }
.ticket-total { font-size: 1.2rem; font-weight: 700; }
.qr-card { text-align: center; }
.qr-large { width: 280px; height: 280px; }

@media print {
    .dashboard-nav, .cart-bar, .back-link { display: none !important; }
}