:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --success: #16a34a;
    --warning: #d97706;
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #1e293b;
    --muted: #64748b;
    --border: #e2e8f0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

.navbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-brand a {
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
}

.nav-links a:hover { color: var(--primary); }
.nav-user { color: var(--muted); font-size: 0.9rem; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem;
}

.footer {
    text-align: center;
    padding: 2rem;
    color: var(--muted);
    font-size: 0.875rem;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 { font-size: 1.5rem; }
.page-header-actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.back-link { color: var(--muted); text-decoration: none; font-size: 0.875rem; display: block; margin-bottom: 0.25rem; }

.auth-card, .form-card {
    max-width: 420px;
    margin: 3rem auto;
    background: var(--card);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.auth-card h1, .form-card h1 { margin-bottom: 1.5rem; font-size: 1.25rem; }
.auth-links { margin-top: 1rem; text-align: center; }
.auth-links a { color: var(--primary); }

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.25rem; font-weight: 500; font-size: 0.875rem; }
.form-group small { color: var(--muted); font-size: 0.8rem; }
.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
}
.qty-input { max-width: 120px; }

.checkbox-group { display: flex; align-items: center; gap: 0.5rem; }
.checkbox-group label { margin: 0; }

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--card);
    color: var(--text);
    cursor: pointer;
    text-decoration: none;
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: #f1f5f9; border-color: var(--border); }
.btn-secondary:hover { background: #e2e8f0; }
.btn-block { width: 100%; text-align: center; }
.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.8rem; }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }

.btn-export {
    background: #059669;
    color: #fff;
    border-color: #059669;
}
.btn-export:hover { background: #047857; color: #fff; }

.form-actions { display: flex; gap: 0.5rem; margin-top: 1rem; }
.inline-form { display: inline; }
.duplicate-form { margin-left: 0.25rem; }

.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    border: 1px solid;
}

.alert-success { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.alert-danger { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.alert-warning { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.alert-info { background: #eff6ff; border-color: #bfdbfe; color: #1e40af; }

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.table th, .table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th { background: #f1f5f9; font-weight: 600; font-size: 0.875rem; }
.table tr:last-child td { border-bottom: none; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.actions { white-space: nowrap; }
.actions-cell { white-space: nowrap; }
.actions-cell .btn { margin-right: 0.25rem; }

.totals-compare { max-width: 560px; }
.totals-table { margin-top: 0.5rem; }
.totals-row-total td { font-weight: 700; }
.row-muted td { color: var(--muted); }
.help-warning { color: var(--warning); margin-top: 0.75rem; }

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.info-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
}

.info-card .label {
    display: block;
    font-size: 0.75rem;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.status-card { max-width: 600px; padding: 1.5rem; margin-bottom: 1.5rem; }
.status-ok { color: var(--success); font-weight: 600; margin-bottom: 1rem; }
.status-warn { color: var(--warning); font-weight: 600; margin-bottom: 1rem; }

.help-box, .help-text { color: var(--muted); font-size: 0.875rem; }
.help-box { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 1.5rem; max-width: 600px; }
.help-box ol { margin: 0.5rem 0 0 1.25rem; }
.help-box code { background: #f1f5f9; padding: 0.125rem 0.375rem; border-radius: 4px; font-size: 0.8rem; }

.empty-state { text-align: center; padding: 3rem; color: var(--muted); }
.empty-state a { color: var(--primary); }

.error { color: var(--danger); font-size: 0.8rem; display: block; }
.recaptcha { margin: 1rem 0; }

h2 { font-size: 1.125rem; margin: 1.5rem 0 0.5rem; }

.section-block { margin-top: 2rem; }
.draft-actions { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 1rem 1.25rem; }
.draft-actions h2 { margin-top: 0; }
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.section-header h2 { margin: 0; }

.table-responsive { overflow-x: auto; }
.location-cell { max-width: 220px; font-size: 0.875rem; }

.void-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}
.void-reason { min-width: 180px; max-width: 260px; }

.status-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: #e2e8f0;
    color: #475569;
}
.status-badge.status-1 { background: #dcfce7; color: #166534; }
.status-badge.status-4 { background: #fee2e2; color: #991b1b; }
.status-badge.status-0 { background: #fef3c7; color: #92400e; }

.checkbox-col { width: 2.5rem; text-align: center; }
.checkbox-col input[type="checkbox"] { cursor: pointer; }

.help-box ul { margin: 0.5rem 0 0 1.25rem; }
.help-box h3 { margin-top: 1rem; }
.help-box h3:first-child { margin-top: 0; }