/* =============================================
   Layout Styles - 現代中式奢華版面
   全平台支援：iOS / Android / Desktop
   ============================================= */

/* === 容器 === */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    padding-bottom: 140px;
}

/* === Header 區域 === */
header {
    padding: 50px 0 30px;
    text-align: center;
    position: relative;
}

/* 燈籠裝飾 */
header::before,
header::after {
    content: '🏮';
    position: absolute;
    top: 20px;
    font-size: 2.5rem;
    animation: lanternSwing 3s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(255, 100, 100, 0.3));
}

header::before {
    left: 10%;
    animation-delay: 0s;
}

header::after {
    right: 10%;
    animation-delay: 0.5s;
}

@keyframes lanternSwing {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

/* 主標題 - 書法風格 */
h1 {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 12px;
    letter-spacing: 0.1em;
    text-shadow:
        0 0 20px rgba(212, 175, 55, 0.3),
        0 2px 4px rgba(0, 0, 0, 0.5);
    position: relative;
    display: inline-block;
}

/* 標題裝飾線 */
h1::before,
h1::after {
    content: '◆';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gold);
    font-size: 0.8rem;
    opacity: 0.6;
}

h1::before {
    left: -30px;
}

h1::after {
    right: -30px;
}

.header-sub {
    font-family: var(--font-number);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* === 智慧儀表板 === */
.dashboard {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin: 30px 0 40px;
}

.dash-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    padding: 18px 12px;
    border-radius: var(--radius);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal) var(--ease-bounce);
    -webkit-backdrop-filter: blur(var(--blur));
    backdrop-filter: blur(var(--blur));
}

/* 卡片金色光暈 */
.dash-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gold-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.dash-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold);
    box-shadow: var(--shadow-gold);
}

.dash-card:hover::before {
    opacity: 1;
}

.dash-value {
    font-family: var(--font-number);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold);
    display: block;
    margin-bottom: 4px;
}

.dash-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.05em;
}

/* === 浮動導航 === */
.smart-nav {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-elevated);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    padding: 8px 20px;
    border-radius: 50px;
    box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.4),
        0 0 0 1px var(--glass-border);
    display: flex;
    gap: 8px;
    z-index: 1000;
}

/* iPhone 底部安全區域 */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .smart-nav {
        bottom: calc(20px + env(safe-area-inset-bottom));
    }
}

.smart-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-family: var(--font-number);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 12px 18px;
    border-radius: 30px;
    transition: all var(--transition-normal) var(--ease-bounce);
    position: relative;
}

.smart-nav a::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 30px;
    background: var(--gold-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.smart-nav a.active,
.smart-nav a:hover {
    color: var(--bg-base);
}

.smart-nav a.active::before,
.smart-nav a:hover::before {
    opacity: 1;
}

/* 回頂部按鈕特殊樣式 */
.smart-nav a[href="#top"] {
    padding: 12px 14px;
}

/* === Footer === */
footer {
    text-align: center;
    padding: 60px 0 40px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    position: relative;
}

footer::before {
    content: '';
    display: block;
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    margin: 0 auto 30px;
}

.cny-badge {
    display: inline-block;
    background: var(--gold-gradient);
    color: var(--bg-base);
    padding: 8px 20px;
    border-radius: 50px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    margin-top: 15px;
    box-shadow: var(--shadow-gold);
    letter-spacing: 0.1em;
}

/* === 響應式：平板 === */
@media (max-width: 768px) {
    header::before,
    header::after {
        font-size: 2rem;
        top: 10px;
    }

    header::before { left: 5%; }
    header::after { right: 5%; }

    h1 {
        font-size: 2.2rem;
    }

    h1::before,
    h1::after {
        display: none;
    }

    .dashboard {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .smart-nav {
        padding: 6px 12px;
        gap: 4px;
    }

    .smart-nav a {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
}

/* === 響應式：手機 === */
@media (max-width: 480px) {
    .container {
        padding: 15px;
        padding-bottom: 120px;
    }

    header {
        padding: 40px 0 20px;
    }

    header::before,
    header::after {
        font-size: 1.5rem;
    }

    h1 {
        font-size: 1.8rem;
        letter-spacing: 0.05em;
    }

    .header-sub {
        font-size: 0.8rem;
    }

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

    .dash-card {
        padding: 14px 10px;
    }

    .dash-value {
        font-size: 1.2rem;
    }

    .smart-nav a {
        padding: 10px 12px;
        font-size: 0.8rem;
    }
}