/* =========================================================
   好物推薦網 — coupon-detail.css
   折扣碼顯示頁（APP 模式）專用樣式：
   品牌資訊、折扣碼展示、使用條件、CTA
   ========================================================= */

/* ===== APP LAYOUT ===== */
.coupon-app {
    min-height: 100vh;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
}

/* ===== APP HEADER ===== */
.coupon-app-header {
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: var(--color-bg);
    z-index: 10;
}

.coupon-app-header .header-title {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text);
}

.coupon-app-header .btn-share {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--color-text);
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.coupon-app-header .btn-share:hover {
    background: rgba(74, 124, 89, 0.06);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ===== COUPON HERO ===== */
.coupon-hero {
    padding: 1.5rem 1.5rem 2rem;
    text-align: center;
}

.coupon-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.25rem;
}

.coupon-hero-badge.percent {
    background: var(--color-accent);
}

.coupon-hero-badge.fixed {
    background: var(--color-primary);
}

.coupon-hero-badge.free-ship {
    background: var(--color-cta-dark);
}

.coupon-hero-store {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.coupon-hero-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-md);
}

.coupon-hero-store-name {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.coupon-hero-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1.35;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
}

.coupon-hero-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    max-width: 320px;
    margin: 0 auto;
}

/* ===== CODE DISPLAY ===== */
.coupon-code-display {
    padding: 0 1.5rem;
    margin-bottom: 1.5rem;
}

.code-card {
    background: var(--color-surface);
    border: 2px dashed var(--color-cta);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
    position: relative;
    overflow: hidden;
}

.code-card:hover {
    background: #fef8ec;
    border-color: var(--color-cta-dark);
}

.code-card:active {
    transform: scale(0.98);
}

.code-card.copied {
    background: rgba(74, 124, 89, 0.06);
    border-color: var(--color-primary);
}

.code-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.code-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-cta-dark);
    letter-spacing: 3px;
    font-family: var(--font-body);
    margin-bottom: 0.75rem;
    word-break: break-all;
}

.code-card.copied .code-value {
    color: var(--color-primary);
}

.code-copy-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-cta-dark);
    transition: color 0.2s ease;
}

.code-card.copied .code-copy-hint {
    color: var(--color-primary);
}

/* Copied animation ripple */
.code-card .copy-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(74, 124, 89, 0.08);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.code-card.copied .copy-ripple {
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    0% {
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        width: 400px;
        height: 400px;
        opacity: 0;
    }
}

/* ===== DETAIL SECTIONS ===== */
.coupon-detail-body {
    flex: 1;
    padding: 0 1.5rem 2rem;
}

.detail-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.detail-section-title {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.detail-section-title i {
    font-size: 0.95rem;
    color: var(--color-primary);
}

/* Info rows */
.detail-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 0.5rem 0;
    gap: 1rem;
}

.detail-row + .detail-row {
    border-top: 1px solid var(--color-border);
}

.detail-row-label {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.detail-row-value {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text);
    text-align: right;
}

.detail-row-value.expiring {
    color: var(--color-accent);
}

.detail-row-value.discount {
    color: var(--color-primary);
    font-size: 1rem;
}

/* Terms list */
.terms-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.terms-list li {
    padding: 0.4rem 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    line-height: 1.5;
}

.terms-list li i {
    color: var(--color-primary-light);
    font-size: 0.75rem;
    margin-top: 0.3rem;
    flex-shrink: 0;
}

/* ===== CTA FOOTER ===== */
.coupon-cta-footer {
    position: sticky;
    bottom: 0;
    padding: 1rem 1.5rem;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 20px rgba(45, 42, 38, 0.06);
    z-index: 10;
}

.coupon-cta-footer .cta-row {
    display: flex;
    gap: 0.75rem;
    max-width: 480px;
    margin: 0 auto;
}

.btn-copy-cta {
    flex: 1;
    padding: 0.85rem 1rem;
    border: 2px solid var(--color-primary);
    background: var(--color-surface);
    color: var(--color-primary);
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    transition: all 0.2s ease;
}

.btn-copy-cta:hover {
    background: rgba(74, 124, 89, 0.06);
}

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

.btn-go-store {
    flex: 1.2;
    padding: 0.85rem 1.5rem;
    background: var(--color-cta);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    transition: background 0.2s ease, transform 0.2s ease;
    text-decoration: none;
}

.btn-go-store:hover {
    background: var(--color-cta-dark);
    color: #fff;
    transform: translateY(-1px);
}

/* ===== SIMILAR COUPONS ===== */
.similar-section {
    padding: 0 1.5rem 1.5rem;
}

.similar-title {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.similar-title i {
    color: var(--color-primary);
}

.similar-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
    color: var(--color-text);
    margin-bottom: 0.65rem;
}

.similar-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-text);
}

.similar-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.similar-card-info {
    flex: 1;
    min-width: 0;
}

.similar-card-name {
    font-weight: 600;
    font-size: 0.88rem;
    margin-bottom: 0.1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.similar-card-code {
    font-size: 0.78rem;
    color: var(--color-cta-dark);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.similar-card-discount {
    font-size: 0.78rem;
    font-weight: 700;
    color: #fff;
    background: var(--color-accent);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    flex-shrink: 0;
}

/* ===== RESPONSIVE ===== */
@media (min-width: 576px) {
    .coupon-app {
        max-width: 480px;
        margin: 0 auto;
        box-shadow: var(--shadow-lg);
        min-height: 100vh;
    }

    .coupon-hero-title {
        font-size: 1.65rem;
    }

    .code-value {
        font-size: 2rem;
        letter-spacing: 4px;
    }
}

@media (max-width: 374.98px) {
    .coupon-hero {
        padding: 1rem 1rem 1.5rem;
    }

    .coupon-hero-title {
        font-size: 1.3rem;
    }

    .code-value {
        font-size: 1.4rem;
        letter-spacing: 2px;
    }

    .coupon-code-display {
        padding: 0 1rem;
    }

    .coupon-detail-body {
        padding: 0 1rem 1.5rem;
    }

    .similar-section {
        padding: 0 1rem 1.5rem;
    }

    .coupon-cta-footer {
        padding: 0.85rem 1rem;
    }

    .cta-row {
        flex-direction: column;
    }
}