:root {
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #e6e8ef;
    --primary: #f97316;
    --primary-strong: #ea580c;
    --warning: #f59e0b;
    --danger: #dc2626;
    --success: #16a34a;
    --shadow-soft: 0 10px 24px rgba(15, 23, 42, 0.08);
    --shadow-strong: 0 14px 30px rgba(15, 23, 42, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at 10% -10%, rgba(249, 115, 22, 0.14), transparent 36%),
        radial-gradient(circle at 95% 0%, rgba(245, 158, 11, 0.14), transparent 34%),
        var(--bg);
    color: var(--text);
}

.container {
    width: min(1200px, 95%);
    margin: 0 auto;
}

.app-header {
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid #fed7aa;
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    gap: 16px;
}

.brand {
    margin: 0;
    font-size: 1.1rem;
    color: #9a3412;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 6px 10px;
    transition: all 0.18s ease;
}

.nav-links a:hover {
    border-color: #fdba74;
    background: #fff7ed;
    color: var(--primary-strong);
}

.user-pill {
    color: #166534;
    font-size: 0.9rem;
    background: #ecfdf5;
    border: 1px solid #bbf7d0;
    padding: 4px 10px;
    border-radius: 999px;
}

.page-content {
    padding: 20px 0 36px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    box-shadow: var(--shadow-soft);
}

.mt-16 {
    margin-top: 16px;
}

.muted {
    color: var(--muted);
}

.btn {
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
    transition: transform 0.14s ease, box-shadow 0.14s ease, border-color 0.14s ease;
}

.btn:hover {
    transform: translateY(-1px);
    border-color: #fdba74;
    box-shadow: 0 6px 14px rgba(15, 23, 42, 0.12);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    border-color: var(--primary-strong);
    color: #fff;
    box-shadow: 0 10px 18px rgba(249, 115, 22, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, var(--danger));
    border-color: var(--danger);
    color: #fff;
    box-shadow: 0 10px 18px rgba(220, 38, 38, 0.28);
}

input,
select {
    width: 100%;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #fff;
    margin: 4px 0 10px;
    transition: border-color 0.14s ease, box-shadow 0.14s ease;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.18);
}

label {
    font-size: 0.9rem;
    color: var(--muted);
}

.login-page {
    min-height: calc(100vh - 180px);
    display: grid;
    place-items: center;
}

.login-card {
    width: min(420px, 100%);
    border-top: 4px solid var(--primary);
}

.dashboard-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.stat-card h3 {
    margin-top: 0;
    color: var(--muted);
}

.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
}

.dashboard-grid .stat-card:nth-child(2)::before {
    background: var(--success);
}

.dashboard-grid .stat-card:nth-child(3)::before {
    background: var(--warning);
}

.stat-value {
    font-size: 1.6rem;
    margin: 0;
    font-weight: 700;
}

.quick-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.pos-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.search-results {
    margin-top: 12px;
    display: grid;
    gap: 8px;
    max-height: 60vh;
    overflow: auto;
}

.result-item {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: linear-gradient(180deg, #fff, #fffbeb);
    text-align: left;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    cursor: pointer;
    transition: transform 0.14s ease, box-shadow 0.14s ease, border-color 0.14s ease;
}

.result-item:hover {
    border-color: #fdba74;
    transform: translateY(-1px);
    box-shadow: 0 8px 16px rgba(15, 23, 42, 0.12);
}

.result-item small {
    display: block;
    color: var(--muted);
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
}

thead th {
    background: #fff7ed;
    color: #9a3412;
    font-weight: 600;
}

th,
td {
    border-bottom: 1px solid var(--border);
    text-align: left;
    padding: 8px;
    vertical-align: top;
}

tbody tr:nth-child(even) td {
    background: #fffbeb;
}

.totals-row {
    margin-top: 14px;
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
}

.checkout-form {
    margin-top: 14px;
}

.inventory-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 10px;
    align-items: end;
}

.inline-form {
    display: flex;
    gap: 6px;
    align-items: center;
}

.inline-form input {
    margin: 0;
    width: 110px;
}

.inline-form select {
    margin: 0;
    width: 120px;
}

.inline-form-wide {
    flex-wrap: wrap;
}

.inline-form-wide input,
.inline-form-wide select {
    width: 140px;
}

.report-filter {
    display: flex;
    gap: 10px;
    align-items: end;
    flex-wrap: wrap;
}

.flash-wrap {
    display: grid;
    gap: 8px;
    margin-bottom: 14px;
}

.flash {
    border-radius: 8px;
    padding: 10px;
    border: 1px solid var(--border);
    border-left-width: 4px;
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.08);
}

.flash-success {
    background: #ecfdf3;
    border-color: #22c55e;
    color: #166534;
}

.flash-error {
    background: #fef2f2;
    border-color: #ef4444;
    color: #991b1b;
}

.flash-info {
    background: #fffbeb;
    border-color: #f59e0b;
    color: #92400e;
}

.receipt {
    max-width: 760px;
}

.total-line {
    font-size: 1.1rem;
    margin-top: 12px;
}

@media (max-width: 900px) {
    .pos-layout {
        grid-template-columns: 1fr;
    }
}