:root {
    --bg: #f6f7fb;
    --surface: #ffffff;
    --surface-2: #f9fafb;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #dbe1ea;
    --primary: #1f4ed8;
    --primary-hover: #1d43b8;
    --danger: #b91c1c;
    --success: #166534;
    --shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
    --radius: 14px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Segoe UI, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.45;
}

a {
    color: var(--primary);
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.topbar {
    background: #111827;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.topbar-inner {
    min-height: 64px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.brand a {
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
}

.nav {
    display: flex;
    gap: 16px;
    flex: 1;
}

    .nav a {
        color: rgba(255,255,255,0.88);
        padding: 8px 10px;
        border-radius: 8px;
    }

        .nav a:hover {
            background: rgba(255,255,255,0.08);
            text-decoration: none;
        }

.topbar-actions {
    display: flex;
    align-items: center;
}

.page {
    padding: 28px 0 48px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 16px;
    margin-bottom: 20px;
}

.page-title {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
}

.page-subtitle {
    margin: 6px 0 0;
    color: var(--muted);
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}

.grid {
    display: grid;
    gap: 20px;
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.kpi {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px;
}

.kpi-label {
    color: var(--muted);
    font-size: 0.92rem;
    margin-bottom: 8px;
}

.kpi-value {
    font-size: 1.5rem;
    font-weight: 700;
}

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

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
}

    .table th,
    .table td {
        padding: 12px 14px;
        border-bottom: 1px solid var(--border);
        text-align: left;
        vertical-align: top;
    }

    .table th {
        color: var(--muted);
        font-size: 0.92rem;
        font-weight: 600;
        background: var(--surface-2);
    }

    .table tr:hover td {
        background: #fafcff;
    }

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 20px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

    .form-field.full {
        grid-column: 1 / -1;
    }

label {
    font-weight: 600;
}

input,
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    font: inherit;
    color: var(--text);
}

textarea {
    resize: vertical;
}

.validation-summary-errors,
.field-validation-error {
    color: var(--danger);
    font-size: 0.92rem;
}

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 18px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 14px;
    border-radius: 10px;
    border: 1px solid transparent;
    cursor: pointer;
    font: inherit;
    text-decoration: none;
}

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

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

    .btn-primary:hover {
        background: var(--primary-hover);
    }

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

    .btn-secondary:hover {
        background: #f8fafc;
    }

.btn-danger {
    background: #fff;
    color: var(--danger);
    border-color: #f1b5b5;
}

.btn-sm {
    min-height: 34px;
    padding: 0 12px;
    font-size: 0.92rem;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    background: #eef2ff;
    color: #3730a3;
}

    .badge.draft {
        background: #fff7ed;
        color: #9a3412;
    }

    .badge.final,
    .badge.booked {
        background: #ecfdf5;
        color: #166534;
    }

    .badge.paid {
        background: #eff6ff;
        color: #1d4ed8;
    }

    .badge.cancelled {
        background: #fef2f2;
        color: #b91c1c;
    }

.money-summary {
    width: 320px;
    margin-left: auto;
    border-top: 1px solid var(--border);
    padding-top: 14px;
}

.money-row {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
}

    .money-row.total {
        font-size: 1.06rem;
        font-weight: 700;
        margin-top: 8px;
    }

.login-shell {
    max-width: 420px;
    margin: 64px auto;
}

.editor-split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
}

.preview-box {
    min-height: 22rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    padding: 14px;
}

.muted {
    color: var(--muted);
    font-size: 0.92rem;
}

.meta-line {
    color: var(--muted);
    font-size: 0.95rem;
}

.header-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.section-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}


@media (max-width: 900px) {
    .grid-3,
    .grid-2,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .editor-split {
        grid-template-columns: 1fr;
    }

    .topbar-inner {
        flex-wrap: wrap;
        padding: 12px 0;
    }

    .nav {
        width: 100%;
        flex-wrap: wrap;
    }

    .money-summary {
        width: 100%;
    }
}