/* ============================================================
   SOLUTION DESIGNER — Door / Hotspot view
   Dùng chung sd-cabinet.css cho panel/card/sidebar/modal.
   File này chỉ bổ sung: màn chọn cửa, thanh stage, toggle mặt.
   Biến lấy từ variables.css (kèm fallback đồng bộ sd-cabinet.css).
   ============================================================ */

/* ── Màn chọn cửa: giải pháp → loại cửa ─────────────────────── */
.sd-door-sol {
    margin-top: 16px;
}

.sd-door-sol:first-child {
    margin-top: 8px;
}

.sd-door-sol-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.sd-door-sol-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.sd-door-sol-name {
    font-size: var(--font-small, 16px);
    font-weight: 700;
    color: var(--color-text, #2D2D2D);
}

.sd-door-models {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.sd-door-model-card {
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
    padding: 10px;
    background: var(--color-bg, #fff);
    border: 1.5px solid var(--color-border, #e0e0e0);
    border-radius: var(--radius-md, 8px);
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s, transform .15s;
    font-family: inherit;
}

.sd-door-model-card:hover {
    border-color: var(--color-primary, #4A3828);
    box-shadow: 0 4px 16px rgba(0,0,0,.1);
    transform: translateY(-2px);
}

.sd-door-mc-thumb {
    width: 56px;
    height: 72px;
    flex-shrink: 0;
    border-radius: var(--radius-sm, 6px);
    overflow: hidden;
    background: var(--color-bg2, #f1efed);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sd-door-mc-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.sd-door-mc-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.sd-door-mc-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text, #2D2D2D);
    line-height: 1.35;
}

.sd-door-mc-meta {
    font-size: 11px;
    color: var(--color-subtext, #A0A0A0);
}

/* ── Thanh stage (back + tiêu đề + toggle mặt) ──────────────── */
.sd-door-stage-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin: 8px 0 12px;
}

.sd-door-back-btn {
    background: none;
    border: 1.5px solid var(--color-border, #e0e0e0);
    border-radius: var(--radius-sm, 6px);
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text, #2D2D2D);
    cursor: pointer;
    transition: border-color .15s, color .15s;
    font-family: inherit;
}

.sd-door-back-btn:hover {
    border-color: var(--color-primary, #4A3828);
    color: var(--color-primary, #4A3828);
}

.sd-door-stage-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text, #2D2D2D);
    flex: 1;
    min-width: 0;
}

/* ── Toggle Mặt trước / Mặt sau ─────────────────────────────── */
.sd-door-face-toggle[hidden] { display: none !important; }

.sd-door-face-toggle {
    display: inline-flex;
    border: 1.5px solid var(--color-primary, #4A3828);
    border-radius: var(--radius-sm, 6px);
    overflow: hidden;
    flex-shrink: 0;
}

.sd-door-face-toggle button {
    background: transparent;
    border: none;
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary, #4A3828);
    cursor: pointer;
    transition: background .15s, color .15s;
    font-family: inherit;
}

.sd-door-face-toggle button + button {
    border-left: 1.5px solid var(--color-primary, #4A3828);
}

.sd-door-face-toggle button.active {
    background: var(--color-primary, #4A3828);
    color: #fff;
}

/* Nhãn mặt hiện tại trong hint */
.sd-door-face-label {
    margin-left: auto;
    font-weight: 600;
    color: var(--color-primary, #4A3828);
    white-space: nowrap;
}

/* ── Canvas cửa (ảnh dọc) — giới hạn bề ngang cho cân đối ───── */
#doorImageWrap {
    max-width: 440px;
    margin: 0 auto;
    background: var(--color-bg2, #f1efed);
}

/* ── Nhóm tóm tắt theo loại cửa ─────────────────────────────── */
.sd-door-sum-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sd-door-sum-group + .sd-door-sum-group {
    margin-top: 4px;
    padding-top: 10px;
    border-top: 1px dashed var(--color-border, #e0e0e0);
}

.sd-door-sum-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-subtext, #888);
    text-transform: uppercase;
    letter-spacing: .02em;
}

/* ── Nút tài liệu PDF ────────────────────────────────────────── */
.sd-door-pdf-btn {
    margin-left: 20px;
    flex-shrink: 0;
    border: 1.5px solid var(--color-primary, #4A3828);
    border-radius: var(--radius-sm, 6px);
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary, #4A3828);
    white-space: nowrap;
    text-decoration: none;
    transition: background .15s, color .15s;
}

.sd-door-pdf-btn + .sd-door-pdf-btn {
    margin-left: 6px;
}

.sd-door-pdf-btn:hover {
    background: var(--color-primary, #4A3828);
    color: #fff;
}