:root {
    --bg: #f5f6fa;
    --card-bg: #ffffff;
    --primary: #2563eb;
    --primary-soft: #eff3ff;
    --text-main: #111827;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --danger: #b91c1c;
    --accent: #16a34a;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text-main);
}

header {
    background: #111827;
    color: white;
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.logo {
    font-weight: 600;
    font-size: 1.2rem;
    letter-spacing: 0.04em;
}

.logo span {
    color: #60a5fa;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    font-size: 0.85rem;
    color: #d1d5db;
}

main {
    padding: 24px 32px;
    display: grid;
    grid-template-columns: 2fr 1.2fr;
    gap: 24px;
}

@media (max-width: 900px) {
    main {
        grid-template-columns: 1fr;
        padding: 16px;
    }
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: 0 1px 3px rgba(15,23,42,0.08);
    border: 1px solid var(--border);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.card-title {
    font-weight: 600;
    font-size: 1rem;
}

.card-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.search-bar {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.search-bar input[type="text"] {
    flex: 1;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 0.9rem;
}

/* Buttons */

.btn {
    border: none;
    border-radius: 999px;
    padding: 7px 14px;
    font-size: 0.85rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary);
    color: white;
    transition: background 0.15s ease, transform 0.08s ease, box-shadow 0.08s ease;
    box-shadow: 0 1px 2px rgba(15,23,42,0.15);
}

.btn:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(15,23,42,0.2);
}

.btn-secondary {
    background: var(--primary-soft);
    color: var(--primary);
}

.btn-secondary:hover {
    background: #dbeafe;
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    box-shadow: none;
}

.btn-ghost:hover {
    background: #f3f4f6;
    color: var(--text-main);
}

.btn-danger {
    background: var(--danger);
}

.btn-danger:hover {
    background: #991b1b;
}

.btn-accent {
    background: var(--accent);
}

.btn-accent:hover {
    background: #15803d;
}

.link-btn {
    text-decoration: none;
}

/* Tables */

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    font-size: 0.85rem;
}

th, td {
    padding: 8px 6px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
    vertical-align: middle;
}

th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    background: #f9fafb;
}

tr:hover td {
    background: #f9fafb;
}

.pill {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.7rem;
    background: #f3f4f6;
    color: var(--text-muted);
}

.pill-inline {
    margin-right: 4px;
    margin-bottom: 4px;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 6px;
    border-radius: 999px;
    font-size: 0.7rem;
    background: var(--primary-soft);
    color: var(--primary);
}

.muted {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.no-results {
    padding: 16px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.table-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.scroll-table {
    max-height: 420px;
    overflow: auto;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.footer-note {
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.table-toolbar {
    display: flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:4px;
}

/* Detail panel */

.detail-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.detail-value {
    font-size: 0.9rem;
    margin-bottom: 10px;
    word-break: break-word;
}

.detail-section {
    margin-bottom: 10px;
}

/* Add customer form */

.customer-form {
    margin-top: 4px;
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.form-group {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    margin-bottom: 10px;
}

.form-group-small {
    max-width: 140px;
}

.form-group label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.form-group input,
.form-group textarea {
    padding: 7px 9px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 0.9rem;
    font-family: inherit;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.25);
}

.form-actions {
    margin-top: 8px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.req {
    color: #ef4444;
    margin-left: 2px;
    font-size: 0.8rem;
}

/* Error banner */

.error-banner {
    margin-bottom: 10px;
    padding: 8px 10px;
    border-radius: 8px;
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
    font-size: 0.85rem;
}