:root {
    --bg: #0f172a;
    --card: #ffffff;
    --ink: #1e293b;
    --muted: #64748b;
    --accent: #4f46e5;
    --accent-dark: #4338ca;
    --green: #16a34a;
    --red: #dc2626;
    --border: #e2e8f0;
    --page-bg: #f1f5f9;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--page-bg);
    color: var(--ink);
}

header.top {
    background: var(--bg);
    color: #fff;
    padding: 20px 24px;
}
header.top h1 { margin: 0; font-size: 20px; }
header.top p { margin: 4px 0 0; color: #94a3b8; font-size: 13px; }
.top-inner {
    max-width: 980px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    position: relative;
}
.top-brand h1 { margin: 0; font-size: 20px; }
.top-brand h1 a { color: inherit; text-decoration: none; }
.top-brand p { margin: 4px 0 0; color: #94a3b8; font-size: 13px; }

.nav-toggle {
    display: none;
    background: transparent;
    color: #fff;
    font-size: 22px;
    padding: 4px 8px;
    border-radius: 6px;
}
.nav-toggle:hover { background: rgba(255,255,255,0.1); }

.top-nav {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    flex-wrap: wrap;
}
.top-nav a { color: #cbd5e1; text-decoration: none; }
.top-nav a:hover { color: #fff; text-decoration: underline; }
.top-nav .who { color: #fff; font-weight: 600; margin-right: 4px; }

@media (max-width: 720px) {
    .nav-toggle { display: block; }
    .top-nav {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        background: #1e293b;
        border-radius: 10px;
        padding: 12px 16px;
        gap: 10px;
        margin-top: 8px;
    }
    .top-nav.open { display: flex; }
    .top-nav .who { margin: 4px 0 0; }
}

/* Auth pages */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.auth-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    width: 100%;
    max-width: 380px;
}
.auth-card h1 { margin: 0 0 8px; font-size: 22px; }
.auth-card .sub { color: var(--muted); font-size: 13px; margin: 0 0 20px; }
.auth-card a { color: var(--accent); }

/* Input with inline button (QR scan) */
.input-with-btn { display: flex; gap: 8px; align-items: flex-start; }
.input-with-btn input, .input-with-btn textarea { flex: 1; }
.btn-scan {
    background: #ede9fe;
    color: var(--accent-dark);
    padding: 10px 14px;
    font-size: 16px;
    border-radius: 8px;
}
.btn-scan:hover { background: #ddd6fe; }

/* Status action bar (Search & Manage) */
.status-action-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    background: var(--page-bg);
    border-radius: 8px;
    padding: 10px 14px;
    margin: 12px 0;
}
.stat-card { transition: box-shadow .15s ease, transform .1s ease; }
.stat-card.clickable { cursor: pointer; }
.stat-card.clickable:hover { box-shadow: 0 2px 10px rgba(15,23,42,0.12); transform: translateY(-1px); }
.stat-card.clickable:active { transform: translateY(0); }

.btn-lost { background: #fef3c7; color: #92400e; }
.btn-lost:hover { background: #fde68a; }
.btn-recovered { background: #dbeafe; color: #1e40af; }
.btn-recovered:hover { background: #bfdbfe; }
.btn-delete-order { background: #dc2626; color: #fff; }
.btn-delete-order:hover { background: #b91c1c; }

/* QR scanner modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 16px;
}
.modal-box {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    width: 100%;
    max-width: 420px;
}
.modal-box h3 { margin: 0 0 8px; }
#qrVideo {
    width: 100%;
    border-radius: 8px;
    background: #000;
    max-height: 320px;
    object-fit: cover;
}
.scanned-list {
    max-height: 100px;
    overflow-y: auto;
    margin-top: 10px;
    font-size: 12px;
}
.qr-pulse {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #cbd5e1;
    margin-right: 4px;
    transition: background .15s ease;
}
.qr-pulse-on { background: #22c55e; }
.scanned-item {
    padding: 4px 8px;
    background: var(--page-bg);
    border-radius: 6px;
    margin-bottom: 4px;
}

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 24px 16px 60px;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    text-align: center;
}
.stat-card .num { font-size: 22px; font-weight: 700; }
.stat-card .label { font-size: 12px; color: var(--muted); margin-top: 2px; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}
.card h2 {
    margin: 0 0 4px;
    font-size: 16px;
}
.card .sub {
    color: var(--muted);
    font-size: 13px;
    margin: 0 0 16px;
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
@media (max-width: 640px) {
    .two-col { grid-template-columns: 1fr; }
}

.field-group { margin-bottom: 14px; }
label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--ink);
}
input[type="text"],
input[type="date"],
input[type="file"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: #fff;
}
input[type="text"]:focus, input[type="date"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.15);
}
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: #fff;
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
    resize: vertical;
    min-height: 120px;
    line-height: 1.5;
}
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.15);
}
.button-row { display: flex; align-items: center; gap: 12px; }
.btn-clear {
    background: transparent;
    color: var(--muted);
    text-decoration: underline;
    padding: 6px 2px;
    font-weight: 500;
}
.btn-clear:hover { color: var(--ink); }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

button {
    cursor: pointer;
    border: none;
    border-radius: 8px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    transition: background .15s ease;
}
.btn-return { background: #fee2e2; color: var(--red); }
.btn-return:hover { background: #fecaca; }
.btn-dispatch { background: #dcfce7; color: var(--green); }
.btn-dispatch:hover { background: #bbf7d0; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { background: #e2e8f0; color: var(--ink); }
.btn-secondary:hover { background: #cbd5e1; }

.checkbox-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.checkbox-row label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    cursor: pointer;
    margin: 0;
}
.checkbox-row input[type="checkbox"] { width: 16px; height: 16px; }

.msg {
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 13px;
    display: none;
}
.msg.success { background: #dcfce7; color: #166534; display: block; }
.msg.error { background: #fee2e2; color: #991b1b; display: block; }

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin: 16px 0;
}
.summary-grid .box {
    background: var(--page-bg);
    border-radius: 8px;
    padding: 10px 12px;
    text-align: center;
}
.summary-grid .box .n { font-weight: 700; font-size: 18px; }
.summary-grid .box .l { font-size: 11px; color: var(--muted); }

.serial-col { color: var(--muted); font-variant-numeric: tabular-nums; width: 1%; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-top: 8px;
}
th, td {
    padding: 8px 10px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
th { background: var(--page-bg); font-size: 11px; text-transform: uppercase; color: var(--muted); }
.table-wrap { overflow-x: auto; max-height: 420px; overflow-y: auto; }

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
}
.badge.Delivered { background: #dcfce7; color: #166534; }
.badge.Return, .badge.Returned { background: #fee2e2; color: #991b1b; }
.badge.Lost { background: #fef3c7; color: #92400e; }
.badge.Dispatched { background: #e0e7ff; color: #3730a3; }
.badge.LossRecovered { background: #dbeafe; color: #1e40af; }

.hidden { display: none !important; }
.spinner {
    display: inline-block;
    width: 14px; height: 14px;
    border: 2px solid #cbd5e1;
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin .7s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }