/* ==========================================================================
   Artist Wrap 報價查詢系統 — 前端樣式（工業風）
   命名規則：BEM — .awq-block__element--modifier
   ========================================================================== */

/* ── CSS 自訂屬性（色票與尺寸）─────────────────────────────────────────── */
.awq-quote-form {
    --awq-bg:           #0e0e0e;
    --awq-surface:      #191919;
    --awq-card:         #222222;
    --awq-card-hover:   #2a2a2a;
    --awq-border:       #333333;
    --awq-gold:         #c9a843;
    --awq-gold-dark:    #a88830;
    --awq-gold-light:   #e0be60;
    --awq-text:         #e0e0e0;
    --awq-text-muted:   #777777;
    --awq-text-hint:    #444444;
    --awq-warning-clr:  #ffb347;
    --awq-danger-clr:   #ff6b6b;
    --awq-radius:       3px;
    --awq-gap:          1rem;
    --awq-transition:   0.2s ease;
    --awq-shadow:       0 4px 18px rgba(0, 0, 0, 0.55);
    --awq-font:         -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --awq-font-mono:    'Courier New', Courier, monospace;
}

/* ── [hidden] 防止主題覆蓋 ──────────────────────────────────────────────── */
.awq-quote-form [hidden] { display: none !important; }

/* ── 根容器 ─────────────────────────────────────────────────────────────── */
.awq-quote-form {
    background: var(--awq-bg);
    color: var(--awq-text);
    font-family: var(--awq-font);
    max-width: 860px;
    margin: 0 auto;
    padding: 2rem 1.75rem;
    border: 1px solid var(--awq-border);
    border-radius: var(--awq-radius);
    position: relative;
    box-sizing: border-box;
}

.awq-quote-form *, .awq-quote-form *::before, .awq-quote-form *::after {
    box-sizing: inherit;
}

/* ════════════════════════════════════
   步驟進度條
   ════════════════════════════════════ */

.awq-steps {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2.5rem;
}

.awq-steps__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    padding: 0;
    flex: 0 0 auto;
    color: var(--awq-text-hint);
    cursor: default;
    transition: color var(--awq-transition);
    min-width: 56px;
}

.awq-steps__item[data-clickable="true"] { cursor: pointer; }

.awq-steps__item[data-clickable="true"]:hover .awq-steps__number {
    border-color: var(--awq-gold-light);
    color: var(--awq-gold-light);
}

.awq-steps__number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--awq-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    transition: all var(--awq-transition);
    background: var(--awq-surface);
    line-height: 1;
}

.awq-steps__label {
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
}

/* 當前步驟 */
.awq-steps__item--active { color: var(--awq-gold); }
.awq-steps__item--active .awq-steps__number {
    border-color: var(--awq-gold);
    color: var(--awq-gold);
    background: rgba(201, 168, 67, 0.1);
    box-shadow: 0 0 14px rgba(201, 168, 67, 0.25);
}

/* 已完成步驟 */
.awq-steps__item--done { color: var(--awq-text-muted); }
.awq-steps__item--done .awq-steps__number {
    background: var(--awq-gold);
    border-color: var(--awq-gold);
    color: #000;
}

/* 連接線 */
.awq-steps__connector {
    flex: 1 1 auto;
    height: 2px;
    background: var(--awq-border);
    margin-top: 17px;   /* 對齊圓圈中心：(36px / 2) - 1px */
    min-width: 12px;
    transition: background var(--awq-transition);
}

.awq-steps__connector--done {
    background: linear-gradient(90deg, var(--awq-gold) 0%, var(--awq-gold-dark) 100%);
}

/* ════════════════════════════════════
   面板（步驟內容區）
   ════════════════════════════════════ */

.awq-panel {
    animation: awq-fade-in 0.28s ease forwards;
}

@keyframes awq-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0);    }
}

.awq-panel__title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--awq-text);
    margin: 0 0 0.375rem;
    letter-spacing: 0.04em;
    border-left: 3px solid var(--awq-gold);
    padding-left: 0.75rem;
    line-height: 1.3;
}

.awq-panel__subtitle {
    font-size: 0.8rem;
    color: var(--awq-text-muted);
    margin: 0 0 1.5rem 1.1rem;
}

/* 步驟標題列（標題 + 重新開始按鈕） */
.awq-panel__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.awq-panel__header .awq-panel__title {
    margin-bottom: 0;
}

.awq-panel__header .awq-panel__subtitle {
    margin-bottom: 0;
}

/* ════════════════════════════════════
   步驟 1：車款選擇
   ════════════════════════════════════ */

.awq-field { margin-bottom: 1.25rem; }

.awq-field__label {
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--awq-text-muted);
    margin-bottom: 0.5rem;
}

.awq-select-wrapper { position: relative; }

.awq-select-wrapper::after {
    content: '▾';
    position: absolute;
    right: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--awq-gold);
    pointer-events: none;
    font-size: 1rem;
    line-height: 1;
}

.awq-select {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    background: var(--awq-surface);
    color: var(--awq-text);
    border: 1px solid var(--awq-border);
    border-radius: var(--awq-radius);
    font-family: var(--awq-font);
    font-size: 1rem;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: border-color var(--awq-transition), box-shadow var(--awq-transition);
    line-height: 1.4;
}

.awq-select:focus {
    outline: none;
    border-color: var(--awq-gold);
    box-shadow: 0 0 0 2px rgba(201, 168, 67, 0.15);
}

.awq-select:disabled { opacity: 0.4; cursor: not-allowed; }
.awq-select option { background: var(--awq-surface); color: var(--awq-text); }

/* 車型資訊小牌 */
.awq-vehicle-badge {
    margin-top: 1.25rem;
    padding: 0.875rem 1.25rem;
    background: var(--awq-surface);
    border: 1px solid var(--awq-border);
    border-left: 3px solid var(--awq-gold);
    border-radius: var(--awq-radius);
}

.awq-vehicle-badge__row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.25rem 0;
}

.awq-vehicle-badge__label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--awq-text-muted);
    min-width: 72px;
}

.awq-vehicle-badge__value {
    font-size: 0.95rem;
    color: var(--awq-gold);
    font-weight: 700;
    letter-spacing: 0.03em;
}

/* ════════════════════════════════════
   卡片（服務 / 材料 / 方案）
   ════════════════════════════════════ */

.awq-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: var(--awq-gap);
    margin-top: 1rem;
}

.awq-card {
    background: var(--awq-card);
    border: 1px solid var(--awq-border);
    border-radius: var(--awq-radius);
    padding: 1.25rem 1rem;
    cursor: pointer;
    text-align: left;
    width: 100%;
    color: var(--awq-text);
    font-family: var(--awq-font);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    position: relative;
    overflow: hidden;
    transition: background var(--awq-transition),
                border-color var(--awq-transition),
                transform var(--awq-transition),
                box-shadow var(--awq-transition);
}

/* 左側金屬邊條 */
.awq-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: transparent;
    transition: background var(--awq-transition);
}

.awq-card:hover {
    background: var(--awq-card-hover);
    border-color: var(--awq-text-hint);
    transform: translateY(-2px);
    box-shadow: var(--awq-shadow);
}

.awq-card:hover::before { background: var(--awq-text-hint); }

/* 選中 */
.awq-card--selected {
    border-color: var(--awq-gold) !important;
    background: rgba(201, 168, 67, 0.07) !important;
    transform: translateY(0) !important;
}

.awq-card--selected::before { background: var(--awq-gold) !important; }

/* 現場估價半透明 */
.awq-card--on-site { opacity: 0.72; }

/* 子元素 */
.awq-card__icon { font-size: 1.6rem; line-height: 1; margin-bottom: 0.1rem; }

.awq-card__title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--awq-text);
    letter-spacing: 0.02em;
    line-height: 1.3;
}

.awq-card__desc {
    font-size: 0.78rem;
    color: var(--awq-text-muted);
    line-height: 1.5;
}

.awq-card__plan-code {
    display: inline-block;
    background: var(--awq-border);
    color: var(--awq-text-muted);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 2px 7px;
    border-radius: 2px;
    font-family: var(--awq-font-mono);
    margin-bottom: 0.1rem;
}

.awq-card--selected .awq-card__plan-code { background: var(--awq-gold); color: #000; }

.awq-card__price {
    font-family: var(--awq-font-mono);
    font-size: 1.05rem;
    color: var(--awq-gold);
    font-weight: 700;
    margin-top: auto;
    padding-top: 0.5rem;
    letter-spacing: 0.02em;
}

.awq-card__price--on-site {
    color: var(--awq-text-muted);
    font-size: 0.82rem;
    font-weight: 400;
    font-family: var(--awq-font);
    letter-spacing: 0.05em;
}

.awq-card__link {
    font-size: 0.72rem;
    color: var(--awq-gold);
    text-decoration: none;
    letter-spacing: 0.06em;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    margin-top: 0.2rem;
    width: fit-content;
}

.awq-card__link:hover { color: var(--awq-gold-light); text-decoration: underline; }

/* 材料分組 */
.awq-material-group { margin-bottom: 2rem; }

.awq-material-group__title {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--awq-text-muted);
    padding-bottom: 0.5rem;
    margin: 0 0 0.875rem;
    border-bottom: 1px solid var(--awq-border);
}

/* ════════════════════════════════════
   提示框
   ════════════════════════════════════ */

.awq-notice {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: var(--awq-radius);
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.awq-notice--info {
    background: rgba(255, 145, 0, 0.08);
    border: 1px solid rgba(255, 145, 0, 0.28);
    color: var(--awq-warning-clr);
}

.awq-notice--warning {
    background: rgba(244, 67, 54, 0.07);
    border: 1px solid rgba(244, 67, 54, 0.28);
    color: var(--awq-danger-clr);
}

.awq-notice__icon { flex-shrink: 0; font-size: 1rem; line-height: 1.6; }
.awq-notice__text strong { font-weight: 700; }

/* ════════════════════════════════════
   步驟 5：報價結果
   ════════════════════════════════════ */

.awq-result {
    background: var(--awq-surface);
    border: 1px solid var(--awq-border);
    border-radius: var(--awq-radius);
    padding: 2rem 1.75rem;
    margin-bottom: 1.5rem;
}

/* 大價格區 */
.awq-result__price-area {
    text-align: center;
    padding: 1.5rem 1rem;
    margin-bottom: 1.75rem;
    border-bottom: 1px solid var(--awq-border);
    position: relative;
}

.awq-result__price-area::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 60px; height: 2px;
    background: var(--awq-gold);
}

.awq-result__price-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--awq-text-muted);
    margin-bottom: 0.75rem;
}

.awq-result__price {
    font-family: var(--awq-font-mono);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--awq-gold);
    line-height: 1;
    letter-spacing: -0.02em;
}

.awq-result__price-unit {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--awq-text-muted);
    margin-left: 0.25rem;
}

.awq-result__on-site {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--awq-text-muted);
    letter-spacing: 0.08em;
}

.awq-result__on-site-hint {
    font-size: 0.82rem;
    color: var(--awq-text-muted);
    margin-top: 0.5rem;
}

/* 摘要 */
.awq-result__summary { display: grid; }

.awq-result__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(51, 51, 51, 0.6);
    gap: 1rem;
}

.awq-result__row:last-child { border-bottom: none; }

.awq-result__row-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--awq-text-muted);
    flex-shrink: 0;
}

.awq-result__row-value {
    font-size: 0.9rem;
    color: var(--awq-text);
    font-weight: 500;
    text-align: right;
}

/* ════════════════════════════════════
   按鈕
   ════════════════════════════════════ */

.awq-result-actions {
    display: flex;
    gap: 0.875rem;
    flex-wrap: wrap;
}

.awq-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.7rem 1.5rem;
    border-radius: var(--awq-radius);
    font-family: var(--awq-font);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--awq-transition);
    border: 2px solid transparent;
    line-height: 1;
    white-space: nowrap;
}

.awq-btn--primary {
    background: linear-gradient(135deg, #d4a843 0%, #a88830 60%, #c9a843 100%);
    color: #0e0e0e;
    border-color: var(--awq-gold);
}

.awq-btn--primary:hover {
    background: linear-gradient(135deg, #e0be60 0%, #c9a843 60%, #d4a843 100%);
    box-shadow: 0 0 18px rgba(201, 168, 67, 0.35);
}

.awq-btn--ghost {
    background: transparent;
    color: var(--awq-text-muted);
    border-color: var(--awq-border);
}

.awq-btn--ghost:hover { color: var(--awq-text); border-color: var(--awq-text-muted); }

/* 次要幽靈按鈕（步驟 1–4 的「重新開始」） */
.awq-btn--ghost-sm {
    background: transparent;
    color: var(--awq-gold);
    border: 1px solid var(--awq-gold);
    padding: 0.35rem 0.75rem;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    opacity: 0.65;
    flex-shrink: 0;
    text-transform: none;
}

.awq-btn--ghost-sm:hover {
    opacity: 1;
    background: rgba(201, 168, 67, 0.08);
}

/* ════════════════════════════════════
   Loading 遮罩
   ════════════════════════════════════ */

.awq-loading {
    position: absolute;
    inset: 0;
    background: rgba(14, 14, 14, 0.82);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--awq-radius);
    z-index: 100;
    backdrop-filter: blur(2px);
}

.awq-loading__ring {
    width: 40px; height: 40px;
    border: 3px solid var(--awq-border);
    border-top-color: var(--awq-gold);
    border-radius: 50%;
    animation: awq-spin 0.75s linear infinite;
}

@keyframes awq-spin { to { transform: rotate(360deg); } }

/* ════════════════════════════════════
   錯誤訊息
   ════════════════════════════════════ */

.awq-error {
    background: rgba(244, 67, 54, 0.08);
    border: 1px solid rgba(244, 67, 54, 0.28);
    border-radius: var(--awq-radius);
    padding: 0.875rem 1rem;
    color: var(--awq-danger-clr);
    font-size: 0.85rem;
    margin-top: 1rem;
    line-height: 1.5;
}

/* ════════════════════════════════════
   響應式（≤ 768px）
   ════════════════════════════════════ */

@media (max-width: 768px) {

    .awq-quote-form { padding: 1.25rem 1rem; }

    .awq-steps { margin-bottom: 1.75rem; }
    .awq-steps__label { display: none; }
    .awq-steps__number { width: 30px; height: 30px; font-size: 0.78rem; }
    .awq-steps__connector { margin-top: 14px; }
    .awq-steps__item { min-width: 32px; }

    .awq-cards { grid-template-columns: 1fr; }

    .awq-result { padding: 1.25rem 1rem; }
    .awq-result__price { font-size: 2.4rem; }
    .awq-result__price-unit { font-size: 1.1rem; }
    .awq-result__on-site { font-size: 1.3rem; }

    .awq-result-actions { flex-direction: column; }
    .awq-btn { width: 100%; justify-content: center; }
    .awq-btn--ghost-sm { width: auto; }   /* 步驟標題列的小按鈕不撐滿 */
}

/* ≤ 420px */
@media (max-width: 420px) {
    .awq-steps__connector { min-width: 6px; }
    .awq-panel__title { font-size: 1rem; }
}