:root {
    --bg: #ffffff;
    --text: #111111;
    --muted: #666666;
    --border: #e3e3e3;
    --button: #111111;
    --button-text: #ffffff;
}

* {
    box-sizing: border-box;
}

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

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

.topbar {
    border-bottom: 1px solid var(--border);
    background: #fff;
}

.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
}

.brand {
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
}

.content {
    padding: 24px 16px 40px;
}

h1 {
    font-size: 32px;
    line-height: 1.2;
    margin: 0 0 8px;
}

h2 {
    margin: 28px 0 12px;
    font-size: 22px;
}

h3 {
    margin: 0 0 10px;
    font-size: 18px;
}

.muted {
    color: var(--muted);
    margin: 0 0 16px;
}

.card {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    background: #fff;
}

.auth-card {
    max-width: 460px;
    margin: 40px auto 0;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

label {
    font-size: 14px;
    font-weight: 600;
}

input,
textarea,
select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text);
    background: #fff;
}

textarea {
    resize: vertical;
}

.btn {
    display: inline-block;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid #111;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
}

.btn-primary {
    background: var(--button);
    color: var(--button-text);
}

.btn-secondary {
    background: #fff;
    color: #111;
}

.actions {
    margin-top: 16px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.alert {
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 14px;
}

.alert-error {
    background: #ffe8e8;
    border: 1px solid #ffc0c0;
}

.alert-success {
    background: #ebffef;
    border: 1px solid #b7eec3;
}

.grid.two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

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

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    gap: 8px 12px;
}

.checkbox-grid label {
    font-weight: 500;
}

/* ---- Variant cards (new constructor) ---- */

.variant-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 4px;
}

.variant-card {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    background: #fff;
    position: relative;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.variant-card--recommended {
    border: 2px solid #111;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.variant-card-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.variant-number {
    font-weight: 700;
    font-size: 15px;
    flex: 1;
}

.recommended-label {
    font-weight: 500;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.recommended-label input[type="radio"] {
    width: auto;
    padding: 0;
    border: none;
    margin: 0;
    cursor: pointer;
}

.badge-recommended {
    display: none;
    background: #111;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.variant-card--recommended .badge-recommended {
    display: inline-block;
}

.variant-fields label {
    font-size: 13px;
}

.variant-fields input,
.variant-fields select {
    font-size: 13px;
    padding: 8px 10px;
}

/* Smaller checkbox grid inside variant card */
.checkbox-grid-sm {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px 10px;
    margin-top: 6px;
}

.checkbox-grid-sm label {
    font-weight: 500;
    font-size: 13px;
}

.checkbox-grid-sm input[type="checkbox"] {
    width: auto;
    padding: 0;
    border: none;
    margin-right: 4px;
}

/* Discount block */
.discount-block {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    padding: 0;
    border: none;
    margin: 0;
    cursor: pointer;
}

/* ---- Legacy variant-block (kept for possible reuse) ---- */
.variant-block {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 12px;
}

.photo-section {
    margin-bottom: 20px;
}

.photo-rubric-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
}

.checkbox-grid-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.checkbox-grid-col--5 {
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
    margin-top: 4px;
}

.checkbox-grid-col label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 8px 4px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 11px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    line-height: 1.3;
}

.checkbox-grid-col label:hover {
    border-color: #111;
    background: #f5f5f5;
}

.checkbox-grid-col input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    flex-shrink: 0;
}

@media (max-width: 960px) {
    .variant-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 26px;
    }

    .grid.two,
    .checkbox-grid,
    .checkbox-grid-sm {
        grid-template-columns: 1fr;
    }
}