:root {
    --navy: #16324A;
    --navy-light: #1E4160;
    --accent: #F4B740;
    --accent-dark: #D99A1F;
    --bg: #F3F5F8;
    --card-bg: #FFFFFF;
    --border: #E4E8EE;
    --text: #1C2733;
    --muted: #6B7A8D;
    --dim: #98A5B3;
    --green: #1E9F5A;
    --green-bg: #E7F7EE;
    --red: #D8483B;
    --red-bg: #FCEAE8;
    --amber: #C9860A;
    --amber-bg: #FDF3DF;
    --whatsapp: #25D366;
    --sidebar-w: 220px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
    font-size: 14px;
}

a { color: inherit; }

/* ============ APP SHELL (sidebar + topbar) ============ */

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-w); background: #fff; border-right: 1px solid var(--border);
    display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0;
    z-index: 20; transition: transform 0.2s;
}
.sidebar-brand {
    padding: 18px 20px; font-family: 'IBM Plex Mono', monospace; font-weight: 800;
    font-size: 16px; color: var(--navy); border-bottom: 1px solid var(--border);
}
.sidebar-brand span { color: var(--accent-dark); }
.sidebar-nav { flex: 1; padding: 12px 10px; overflow-y: auto; }
.sidebar-link {
    display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px;
    color: var(--muted); text-decoration: none; font-size: 13.5px; font-weight: 500; margin-bottom: 2px;
}
.sidebar-link:hover { background: #F5F7FA; color: var(--text); }
.sidebar-link.active { background: var(--navy); color: #fff; }
.sidebar-link .icon { width: 18px; text-align: center; flex-shrink: 0; }
.sidebar-footer { padding: 14px 16px; border-top: 1px solid var(--border); font-size: 11px; color: var(--dim); }

.app-main { margin-left: var(--sidebar-w); flex: 1; min-width: 0; }

.topbar {
    background: #fff; border-bottom: 1px solid var(--border); padding: 12px 24px;
    display: flex; align-items: center; justify-content: flex-end; gap: 14px; position: sticky; top: 0; z-index: 10;
}
.topbar-balance {
    display: flex; align-items: center; gap: 8px; background: var(--bg); border: 1px solid var(--border);
    border-radius: 20px; padding: 6px 6px 6px 14px; font-family: 'IBM Plex Mono', monospace; font-weight: 700; font-size: 13px;
}
.topbar-balance a {
    background: var(--navy); color: #fff; padding: 6px 14px; border-radius: 16px; text-decoration: none;
    font-family: 'IBM Plex Sans', sans-serif; font-size: 12px; font-weight: 600;
}
.topbar-avatar {
    width: 32px; height: 32px; border-radius: 50%; background: var(--navy); color: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700;
}
.topbar-quickbtn {
    background: var(--accent); color: var(--navy); border: none; padding: 8px 16px; border-radius: 8px;
    font-weight: 700; font-size: 13px; cursor: pointer; text-decoration: none;
}

.page-content { padding: 24px; max-width: 1100px; }
.page-title { font-size: 20px; font-weight: 700; color: var(--navy); margin: 0 0 4px; }
.page-subtitle { color: var(--muted); font-size: 13px; margin: 0 0 20px; }

/* ============ Cards / stats ============ */

.card {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
    padding: 18px; margin-bottom: 16px;
}
.card h2 { font-size: 14px; margin: 0 0 12px; color: var(--navy); }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.stat-num { font-size: 24px; font-weight: 800; color: var(--navy); }
.stat-label { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ============ Forms ============ */

.field-label { display: block; font-size: 12px; color: var(--muted); font-weight: 600; margin: 12px 0 5px; }
.card > .field-label:first-child { margin-top: 0; }

input[type="text"], input[type="number"], input[type="email"], input[type="password"], input[type="tel"], select, textarea {
    width: 100%; box-sizing: border-box; background: #fff; border: 1px solid var(--border);
    border-radius: 8px; color: var(--text); padding: 9px 11px; font-size: 13.5px; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent-dark); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }

.btn-primary {
    display: inline-block; background: var(--navy); color: #fff; padding: 10px 20px;
    border-radius: 8px; text-decoration: none; font-weight: 700; font-size: 13.5px; border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--navy-light); }
.btn-gold {
    display: inline-block; background: var(--accent); color: var(--navy); padding: 10px 20px;
    border-radius: 8px; text-decoration: none; font-weight: 700; font-size: 13.5px; border: none; cursor: pointer;
}
.btn-small {
    display: inline-block; padding: 6px 12px; background: var(--navy); color: #fff; border: none;
    border-radius: 6px; font-size: 12px; cursor: pointer; text-decoration: none;
}
.btn-danger { background: var(--red); }
.btn-outline {
    display: inline-block; padding: 8px 16px; background: #fff; color: var(--navy); border: 1px solid var(--border);
    border-radius: 8px; font-size: 13px; cursor: pointer; text-decoration: none; font-weight: 600;
}

.tab-select { display: flex; gap: 8px; margin-bottom: 18px; }
.tab-select button {
    flex: 1; padding: 10px; background: #fff; border: 1px solid var(--border);
    color: var(--muted); border-radius: 8px; cursor: pointer; font-size: 13.5px; font-weight: 600;
}
.tab-select button.active { border-color: var(--navy); color: var(--navy); background: #EEF3F8; }

/* ============ Tables ============ */

.sheet-table { width: 100%; border-collapse: collapse; font-size: 13px; background: #fff; border-radius: 10px; overflow: hidden; }
.sheet-table th { text-align: left; padding: 10px 12px; background: #F7F9FB; color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.03em; }
.sheet-table td { padding: 10px 12px; border-top: 1px solid var(--border); }
.sheet-table .active-row { background: #F3FBF6; }

.status-badge { background: #EEF1F4; color: var(--muted); font-size: 11px; padding: 3px 10px; border-radius: 10px; font-weight: 600; }
.status-delivered { background: var(--green-bg); color: var(--green); }
.status-ndr, .status-rto, .status-cancelled { background: var(--red-bg); color: var(--red); }
.status-confirmed, .status-booked, .status-picked_up, .status-in_transit, .status-out_for_delivery { background: var(--amber-bg); color: var(--amber); }

.filter-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.filter-row a { padding: 6px 14px; background: #fff; border: 1px solid var(--border); border-radius: 16px; font-size: 12px; color: var(--muted); text-decoration: none; font-weight: 600; }
.filter-row a.filter-active { background: var(--navy); color: #fff; border-color: var(--navy); }

/* ============ Option cards (assign courier) ============ */

.option-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center; }
.option-card.best { border-color: var(--accent-dark); box-shadow: 0 0 0 1px var(--accent-dark); }
.option-name { font-size: 15px; font-weight: 700; color: var(--text); }
.option-eta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.option-price { font-size: 19px; font-family: 'IBM Plex Mono', monospace; color: var(--navy); font-weight: 700; }
.book-select-btn { background: var(--accent); color: var(--navy); border: none; padding: 9px 18px; border-radius: 8px; font-weight: 700; cursor: pointer; font-size: 13px; }

.balance-pill { display: inline-block; background: var(--navy); color: var(--accent); padding: 6px 14px; border-radius: 20px; font-family: 'IBM Plex Mono', monospace; font-size: 13px; font-weight: 700; }

.empty-msg { color: var(--muted); font-size: 14px; padding: 24px; text-align: center; background: #fff; border-radius: 12px; border: 1px dashed var(--border); }
.hint { color: var(--muted); font-size: 12.5px; }

.error-msg { background: var(--red-bg); color: var(--red); padding: 10px 14px; border-radius: 8px; margin: 12px 0; font-size: 13px; }
.success-msg { background: var(--green-bg); color: var(--green); padding: 10px 14px; border-radius: 8px; margin: 12px 0; font-size: 13px; }
.info-msg { background: #EEF3F8; color: var(--navy-light); padding: 10px 14px; border-radius: 8px; margin: 12px 0; font-size: 13px; }
.warning-msg { margin-top: 12px; font-size: 13px; color: var(--amber); }

/* ============ Repeatable rows (boxes / invoice items) ============ */

.repeat-row { display: grid; gap: 8px; margin-bottom: 8px; align-items: center; }
.repeat-row-remove { background: var(--red-bg); color: var(--red); border: none; border-radius: 6px; padding: 8px 10px; cursor: pointer; font-size: 12px; }
.add-row-btn { background: #EEF3F8; color: var(--navy); border: 1px dashed var(--border); border-radius: 8px; padding: 8px 14px; cursor: pointer; font-size: 12.5px; font-weight: 600; margin-top: 4px; }

/* ============ Autocomplete ============ */

.autocomplete-wrap { position: relative; }
.suggestions { position: absolute; top: 100%; left: 0; right: 0; background: #fff; border: 1px solid var(--border); border-radius: 8px; margin-top: 4px; z-index: 5; overflow: hidden; box-shadow: 0 4px 14px rgba(0,0,0,0.08); display: none; }
.suggestion-item { padding: 9px 12px; font-size: 13.5px; cursor: pointer; border-bottom: 1px solid var(--border); color: var(--text); }
.suggestion-item:last-child { border-bottom: none; }
.suggestion-item:hover { background: #F7F9FB; }
.suggestion-item .code { color: var(--dim); font-size: 11.5px; }

/* ============ Auth pages (no sidebar) ============ */

.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; background: linear-gradient(160deg, #16324A 0%, #1E4160 45%, #274F73 100%); }
.auth-box { max-width: 400px; width: 100%; background: #fff; border-radius: 16px; padding: 32px 28px; box-shadow: 0 20px 50px rgba(10,25,40,0.35); }
.auth-brand { font-family: 'IBM Plex Mono', monospace; font-weight: 800; font-size: 18px; color: var(--navy); margin-bottom: 4px; }
.auth-brand span { color: var(--accent-dark); }
.auth-title { font-size: 15px; color: var(--muted); margin: 0 0 22px; font-weight: 500; }
.auth-form { display: flex; flex-direction: column; gap: 4px; }
.auth-form label { font-size: 12px; color: var(--muted); font-weight: 600; margin-top: 12px; }
.auth-form button {
    margin-top: 20px; padding: 12px; background: var(--navy); color: #fff; border: none;
    border-radius: 9px; font-weight: 700; cursor: pointer; font-size: 14px;
}
.auth-form button:hover { background: var(--navy-light); }
.auth-alt { font-size: 13px; color: var(--muted); margin-top: 16px; text-align: center; }
.auth-alt a { color: var(--navy); font-weight: 600; text-decoration: none; }

.method-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab-btn { flex: 1; padding: 9px; background: #F7F9FB; border: 1px solid var(--border); color: var(--muted); border-radius: 8px; cursor: pointer; font-size: 12.5px; font-weight: 600; }
.tab-btn.active { border-color: var(--navy); color: var(--navy); background: #EEF3F8; }
.tab-panel { display: flex; }

/* ============ Admin (kept separate, simpler light theme) ============ */

.admin-body { background: var(--bg); color: var(--text); }
.admin-login-box { max-width: 340px; margin: 80px auto; background: #fff; border-radius: 14px; padding: 30px; box-shadow: 0 10px 30px rgba(0,0,0,0.08); }
.admin-login-box h1 { font-size: 18px; margin: 0 0 16px; color: var(--navy); }
.admin-login-box label { display:block; font-size: 12px; color: var(--muted); margin-top: 12px; margin-bottom: 4px; }
.admin-login-box input { width: 100%; box-sizing: border-box; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; }
.admin-login-box button { margin-top: 18px; width: 100%; padding: 11px; background: var(--navy); color: #fff; border: none; border-radius: 8px; font-weight: 700; cursor: pointer; }

.admin-nav { background: var(--navy); color: #fff; padding: 12px 20px; display: flex; align-items: center; gap: 18px; font-size: 13.5px; flex-wrap: wrap; }
.admin-nav .brand { font-weight: 800; margin-right: 10px; }
.admin-nav a { color: #C9D8E8; text-decoration: none; }
.admin-nav a:hover { color: #fff; }
.admin-nav .logout-link { margin-left: auto; }

.admin-content { max-width: 900px; margin: 24px auto; padding: 0 16px 60px; }
.admin-content h1 { font-size: 20px; color: var(--navy); }
.admin-content h2 { font-size: 15px; margin-top: 28px; color: var(--navy); }

.upload-form, .settings-form { display: flex; flex-direction: column; gap: 6px; max-width: 420px; margin-top: 14px; }
.upload-form label, .settings-form label { font-size: 12px; color: var(--muted); margin-top: 8px; }
.upload-form input, .settings-form input { padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; }
.upload-form button, .settings-form button { margin-top: 14px; padding: 10px 20px; background: var(--navy); color: #fff; border: none; border-radius: 6px; font-weight: 700; cursor: pointer; width: fit-content; }

.badge-active { background: var(--green); color: #fff; font-size: 10px; padding: 2px 8px; border-radius: 10px; }
.markup-form select, .markup-form input { padding: 6px 8px; border: 1px solid var(--border); border-radius: 5px; }
.markup-form button { margin-top: 14px; padding: 10px 20px; background: var(--navy); color: #fff; border: none; border-radius: 6px; font-weight: 700; cursor: pointer; }
.add-tier-form { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; align-items: center; }
.add-tier-form input, .add-tier-form select { padding: 7px 9px; border: 1px solid var(--border); border-radius: 5px; }
.add-tier-form button { padding: 7px 14px; background: var(--navy-light); color: #fff; border: none; border-radius: 5px; cursor: pointer; }
.gst-form { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.gst-form button { padding: 7px 14px; background: var(--navy); color: #fff; border: none; border-radius: 5px; cursor: pointer; }

.toggle-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.toggle-row label { font-size: 13px; color: var(--text); }

.sidebar-toggle {
    display: none; background: none; border: 1px solid var(--border); border-radius: 8px;
    width: 36px; height: 36px; font-size: 16px; color: var(--navy); cursor: pointer; margin-right: auto;
}

/* ============ Mobile ============ */

@media (max-width: 860px) {
    .sidebar { transform: translateX(-100%); box-shadow: 0 0 0 9999px rgba(0,0,0,0); transition: transform 0.2s, box-shadow 0.2s; }
    .sidebar.open { transform: translateX(0); box-shadow: 0 0 0 9999px rgba(0,0,0,0.35); }
    .sidebar-toggle { display: block; }
    .app-main { margin-left: 0; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .page-content { padding: 16px; }
}

/* ============ Orders list: search/filter bar, pagination, mobile card table ============ */
.orders-filter-bar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.orders-filter-bar input[type="text"] { flex: 1; min-width: 180px; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 13.5px; }
.orders-filter-bar select, .orders-filter-bar input[type="date"] { padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; }

.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 16px; }
.pagination .btn-small.disabled { pointer-events: none; opacity: 0.4; }

@media (max-width: 700px) {
    .orders-filter-bar { flex-direction: column; align-items: stretch; }
    .orders-filter-bar input, .orders-filter-bar select { width: 100%; }

    /* Classic responsive-table technique: each row becomes a card, each
       cell becomes a labeled line — used site-wide on any .sheet-table,
       driven by the data-label attribute on each <td>. */
    .responsive-table thead { display: none; }
    .responsive-table, .responsive-table tbody, .responsive-table tr, .responsive-table td { display: block; width: 100%; }
    .responsive-table { border-radius: 0; }
    .responsive-table tr { margin-bottom: 12px; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: #fff; }
    .responsive-table td { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 9px 12px; border-top: 1px solid var(--border); text-align: right; }
    .responsive-table td:first-child { border-top: none; }
    .responsive-table td::before { content: attr(data-label); font-weight: 600; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.02em; text-align: left; }
    .responsive-table td[data-label=""]::before { content: none; }
    .responsive-table td[data-label=""] { justify-content: flex-start; flex-wrap: wrap; }
}

/* ============ Public site (landing, track, CMS pages) ============ */

.public-nav {
    display: flex; justify-content: space-between; align-items: center; padding: 18px 32px;
    background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20;
}
.public-nav-brand { font-family: 'IBM Plex Mono', monospace; font-weight: 800; font-size: 17px; color: var(--navy); text-decoration: none; }
.public-nav-brand span { color: var(--accent-dark); }
.public-nav-links { display: flex; align-items: center; gap: 20px; font-size: 13.5px; font-weight: 600; }
.public-nav-links a { text-decoration: none; color: var(--muted); }
.public-nav-links a.public-nav-cta { background: var(--navy); color: #fff; padding: 9px 18px; border-radius: 8px; }

.hero { background: linear-gradient(160deg, #16324A 0%, #1E4160 55%, #274F73 100%); color: #fff; padding: 70px 20px 60px; text-align: center; }
.hero-inner { max-width: 720px; margin: 0 auto; }
.hero h1 { font-size: 36px; font-weight: 800; line-height: 1.2; margin: 0 0 16px; }
.hero h1 span { color: var(--accent); }
.hero-sub { font-size: 16px; color: #C9D8E8; max-width: 560px; margin: 0 auto 28px; line-height: 1.6; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 28px; }
.hero-btn { padding: 13px 26px; font-size: 14.5px; }
.hero-track { max-width: 420px; margin: 0 auto; }
.hero-track-form { display: flex; gap: 8px; }
.hero-track-form input { flex: 1; padding: 11px 14px; border-radius: 8px; border: none; font-size: 13.5px; }
.hero-track-form button { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.3); padding: 11px 18px; border-radius: 8px; font-weight: 700; cursor: pointer; }

.features { padding: 60px 20px; background: var(--bg); }
.features-inner { max-width: 1000px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 24px; }
.feature-icon { font-size: 28px; margin-bottom: 10px; }
.feature-card h3 { font-size: 15.5px; color: var(--navy); margin: 0 0 8px; }
.feature-card p { font-size: 13.5px; color: var(--muted); line-height: 1.5; margin: 0; }

.how-it-works { padding: 60px 20px; background: #fff; text-align: center; }
.how-inner { max-width: 800px; margin: 0 auto; }
.how-inner h2 { font-size: 24px; color: var(--navy); margin: 0 0 32px; }
.how-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: left; }
.how-step { display: flex; gap: 12px; }
.how-num { width: 30px; height: 30px; border-radius: 50%; background: var(--navy); color: var(--accent); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px; flex-shrink: 0; }
.how-step strong { font-size: 13.5px; color: var(--navy); }
.how-step p { font-size: 12.5px; color: var(--muted); margin: 4px 0 0; }

.public-footer { background: var(--navy); color: #C9D8E8; padding: 32px 20px; }
.public-footer-inner { max-width: 1000px; margin: 0 auto; text-align: center; }
.public-footer-brand { font-family: 'IBM Plex Mono', monospace; font-weight: 800; font-size: 15px; color: #fff; margin-bottom: 12px; }
.public-footer-brand span { color: var(--accent); }
.public-footer-links { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; font-size: 12.5px; margin-bottom: 12px; }
.public-footer-links a { color: #C9D8E8; text-decoration: none; }
.public-footer-links a:hover { color: #fff; }
.public-footer-copy { font-size: 11.5px; color: #7E96AC; }

.public-page-content { max-width: 700px; margin: 0 auto; padding: 50px 20px; }
.cms-content { color: var(--text); line-height: 1.7; font-size: 14.5px; }
.cms-content p { margin: 0 0 14px; }

.track-form { display: flex; gap: 8px; max-width: 420px; margin: 0 auto 20px; }
.track-form input { flex: 1; }
.track-result { max-width: 480px; margin: 0 auto; }
.track-timeline { margin-top: 16px; display: flex; flex-direction: column; gap: 14px; }
.track-timeline-item { display: flex; gap: 12px; align-items: flex-start; }
.track-timeline-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent-dark); margin-top: 5px; flex-shrink: 0; }

@media (max-width: 760px) {
    .features-inner { grid-template-columns: 1fr; }
    .how-steps { grid-template-columns: 1fr 1fr; }
    .hero h1 { font-size: 27px; }
    .public-nav-links { gap: 12px; font-size: 12px; }
}

/* ============ Ticket thread ============ */
.ticket-thread { display: flex; flex-direction: column; gap: 10px; max-height: 400px; overflow-y: auto; margin-bottom: 4px; }
.ticket-msg { padding: 10px 14px; border-radius: 10px; font-size: 13.5px; background: #F7F9FB; max-width: 85%; }
.ticket-msg.ticket-admin { background: #EEF3F8; align-self: flex-end; }