/* RE:Craft 記藝傳承人 - 工藝風格樣式 */

:root {
    --wood-color: #8B7355;
    --deep-wood: #6B5345;
    --beige-color: #F5F5DC;
    --craft-green: #4A5D4F;
    --dark-green: #3A4D3F;
    --light-green: #D4E4D8;
    --bamboo: #C8B896;
    --ink-black: #2C2C2C;
    --paper-white: #FFFEF7;
    --vermillion: #C8553D;
}

/* 傳統紙張質感 */
body {
    background: linear-gradient(135deg,
        var(--beige-color) 0%,
        var(--paper-white) 50%,
        var(--beige-color) 100%);
    background-attachment: fixed;
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 主要內容區域佔據剩餘空間 */
main {
    flex: 1 0 auto;
}

/* 其他元素不壓縮 */
body > nav,
body > footer {
    flex-shrink: 0;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        /* 手工紙張紋理 */
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(139, 115, 85, 0.03) 2px, rgba(139, 115, 85, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(139, 115, 85, 0.03) 2px, rgba(139, 115, 85, 0.03) 4px),
        /* 木紋質感 */
        repeating-linear-gradient(
            90deg,
            transparent 0px,
            rgba(139, 115, 85, 0.015) 1px,
            transparent 2px,
            transparent 8px
        ),
        /* 紙張纖維質感 */
        url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' /%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

body > * {
    position: relative;
    z-index: 2;
}

/* 書法風格標題 */
.serif, h1, h2, h3, h4, h5 {
    font-family: 'Noto Serif TC', serif;
    font-weight: 600;
    letter-spacing: 0.05em;
    line-height: 1.6;
    position: relative;
}

/* 標題裝飾線條 */
h2::before,
h3::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 2px;
    background: linear-gradient(to right, var(--vermillion), transparent);
}

h2::after,
h3::after {
    content: '';
    position: absolute;
    right: -30px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 2px;
    background: linear-gradient(to left, var(--vermillion), transparent);
}

/* 導覽列工藝風格 */
.navbar {
    background: linear-gradient(135deg, rgba(255, 254, 247, 0.98) 0%, rgba(245, 245, 220, 0.98) 100%) !important;
    border-bottom: 3px solid var(--craft-green);
    box-shadow:
        0 3px 20px rgba(74, 93, 79, 0.2),
        0 1px 8px rgba(74, 93, 79, 0.1),
        inset 0 -1px 3px rgba(139, 115, 85, 0.05);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-size: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
    position: relative;
    padding-left: 40px;
}

.navbar-brand::before {
    content: '◆';
    position: absolute;
    left: 10px;
    color: var(--vermillion);
    font-size: 1.2rem;
}

/* 傳統印章風格裝飾 */
.seal-decoration {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--vermillion);
    color: white;
    border: 2px solid var(--deep-wood);
    border-radius: 4px;
    line-height: 36px;
    text-align: center;
    font-family: 'Noto Serif TC', serif;
    font-weight: bold;
    box-shadow:
        3px 3px 8px rgba(0,0,0,0.35),
        inset -1px -1px 2px rgba(0,0,0,0.2),
        inset 1px 1px 1px rgba(255,255,255,0.3);
    transform: rotate(-5deg);
    position: relative;
}

.seal-decoration::before {
    content: '';
    position: absolute;
    inset: 2px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 2px;
    pointer-events: none;
}

/* 工藝卡片增強 */
.craft-card {
    background: var(--paper-white);
    border: 1px solid rgba(139, 115, 85, 0.2);
    border-radius: 16px;
    box-shadow:
        4px 4px 15px rgba(74, 93, 79, 0.2),
        8px 8px 30px rgba(74, 93, 79, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.5),
        inset 0 2px 4px rgba(139, 115, 85, 0.05);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.craft-card::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(45deg,
        transparent 30%,
        rgba(139, 115, 85, 0.05) 50%,
        transparent 70%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.craft-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow:
        6px 8px 25px rgba(74, 93, 79, 0.3),
        12px 16px 50px rgba(74, 93, 79, 0.15),
        inset 0 0 0 1px rgba(255, 255, 255, 0.7),
        inset 0 2px 4px rgba(139, 115, 85, 0.05);
}

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

/* 傳統紋樣裝飾 - 已移除 */

/* 卡片內部紙張質感 */
.craft-card .card-body {
    background-image:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(139, 115, 85, 0.01) 10px,
            rgba(139, 115, 85, 0.01) 20px
        );
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

.craft-card .card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.craft-card .card-text {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--ink-black);
    margin-bottom: 1rem;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    flex: 1;
}

.craft-card .text-muted {
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

/* 按鈕工藝感設計 */
.btn-craft {
    background: linear-gradient(135deg, var(--craft-green) 0%, var(--dark-green) 100%);
    color: var(--paper-white);
    border: 2px solid var(--deep-wood);
    border-radius: 12px;
    font-family: 'Noto Serif TC', serif;
    font-weight: 500;
    letter-spacing: 0.1em;
    position: relative;
    overflow: hidden;
    box-shadow:
        3px 3px 8px rgba(0,0,0,0.25),
        6px 6px 16px rgba(0,0,0,0.15),
        inset 1px 1px 2px rgba(255,255,255,0.2);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-craft::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent);
    transition: left 0.5s ease;
}

.btn-craft:hover::before {
    left: 100%;
}

.btn-craft:hover {
    background: linear-gradient(135deg, var(--wood-color) 0%, var(--deep-wood) 100%);
    color: var(--paper-white);
    border-color: var(--vermillion);
    transform: translateY(-3px) scale(1.05);
    box-shadow:
        4px 6px 15px rgba(0,0,0,0.35),
        8px 12px 30px rgba(0,0,0,0.2),
        inset 1px 1px 3px rgba(255,255,255,0.3);
}

.btn-craft:active {
    transform: translateY(-1px) scale(1.02);
    box-shadow:
        2px 3px 8px rgba(0,0,0,0.3),
        inset 1px 1px 2px rgba(255,255,255,0.2);
}

/* Hero 區塊增強 */
.hero-section {
    position: relative;
    border-bottom: 5px solid var(--craft-green);
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 20px;
    background: repeating-linear-gradient(
        90deg,
        var(--craft-green) 0px,
        var(--craft-green) 10px,
        transparent 10px,
        transparent 20px
    );
    opacity: 0.3;
}

.hero-content h1 {
    text-shadow:
        3px 3px 6px rgba(0,0,0,0.5),
        0 0 20px rgba(74, 93, 79, 0.5);
    position: relative;
}

/* 搜尋框工藝風格 */
.search-box .card {
    background: rgba(255, 254, 247, 0.95);
    border: 3px solid var(--wood-color);
    border-radius: 20px;
    box-shadow:
        0 12px 35px rgba(0,0,0,0.3),
        0 6px 18px rgba(0,0,0,0.2),
        inset 0 0 0 1px rgba(255,255,255,0.5),
        inset 0 3px 6px rgba(139, 115, 85, 0.08);
}

.search-box .form-control {
    border: 2px solid var(--bamboo);
    background: var(--paper-white);
    font-family: 'Noto Sans TC', sans-serif;
}

.search-box .form-control:focus {
    border-color: var(--craft-green);
    box-shadow: 0 0 10px rgba(74, 93, 79, 0.3);
}

/* 頁籤工藝風格 */
.nav-tabs {
    border-bottom: 3px solid var(--wood-color);
    background: linear-gradient(to right,
        transparent 0%,
        rgba(139, 115, 85, 0.1) 50%,
        transparent 100%);
}

.nav-tabs .nav-link {
    font-family: 'Noto Serif TC', serif;
    font-weight: 500;
    color: var(--ink-black);
    border: none;
    border-bottom: 4px solid transparent;
    margin: 0 1rem;
    position: relative;
}

.nav-tabs .nav-link::before {
    content: '◆';
    position: absolute;
    left: -15px;
    color: var(--vermillion);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-tabs .nav-link.active::before,
.nav-tabs .nav-link:hover::before {
    opacity: 1;
}

.nav-tabs .nav-link.active {
    background: transparent;
    border-bottom: 4px solid var(--vermillion);
    font-weight: 700;
    color: var(--craft-green);
}

/* 狀態標籤工藝感 */
.status-badge {
    font-family: 'Noto Serif TC', serif;
    border: 2px solid rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 4px 12px;
    box-shadow:
        2px 2px 6px rgba(0,0,0,0.2),
        inset 0 1px 2px rgba(255,255,255,0.3);
    backdrop-filter: blur(5px);
    position: relative;
}

.status-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 6px;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
    pointer-events: none;
}

/* 傳承人專區增強 */
#heritage {
    position: relative;
}

#heritage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0l30 30-30 30L0 30 30 0z' fill='%23ffffff' fill-opacity='0.05'/%3E%3C/svg%3E");
    pointer-events: none;
}

/* 浮動按鈕工藝感 */
.floating-btn {
    background: linear-gradient(135deg, var(--vermillion) 0%, #A8453D 100%);
    border: 3px solid var(--deep-wood);
    border-radius: 50%;
    box-shadow:
        0 6px 25px rgba(200, 85, 61, 0.5),
        0 3px 12px rgba(200, 85, 61, 0.3),
        inset 1px 1px 3px rgba(255,255,255,0.3),
        inset -1px -1px 3px rgba(0,0,0,0.1);
    position: relative;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.floating-btn::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        rgba(255,255,255,0.2) 90deg,
        transparent 180deg
    );
    opacity: 0;
    transition: opacity 0.3s ease;
}

.floating-btn:hover::before {
    opacity: 1;
    animation: rotate 2s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.floating-btn:hover {
    background: linear-gradient(135deg, #E86551 0%, var(--vermillion) 100%);
    transform: scale(1.2) rotate(8deg);
    box-shadow:
        0 10px 40px rgba(200, 85, 61, 0.7),
        0 5px 20px rgba(200, 85, 61, 0.4),
        inset 1px 1px 4px rgba(255,255,255,0.5),
        inset -1px -1px 4px rgba(0,0,0,0.15);
}

.floating-btn:active {
    transform: scale(1.1) rotate(5deg);
    box-shadow:
        0 4px 15px rgba(200, 85, 61, 0.5),
        inset 1px 1px 3px rgba(255,255,255,0.3);
}

/* 資料保存卡片增強 */
.card {
    border-radius: 18px;
    box-shadow:
        3px 3px 12px rgba(74, 93, 79, 0.15),
        6px 6px 24px rgba(74, 93, 79, 0.08),
        inset 0 1px 2px rgba(255,255,255,0.4);
    transition: all 0.3s ease;
    border: 2px solid rgba(139, 115, 85, 0.15);
    overflow: hidden;
}

.card:hover {
    box-shadow:
        4px 4px 18px rgba(74, 93, 79, 0.22),
        8px 8px 36px rgba(74, 93, 79, 0.12),
        inset 0 1px 3px rgba(255,255,255,0.5);
    transform: translateY(-5px);
    border-color: rgba(139, 115, 85, 0.3);
}

.card-header {
    font-family: 'Noto Serif TC', serif;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.08em;
    position: relative;
    overflow: hidden;
    padding: 1.25rem 1.5rem;
    box-shadow: inset 0 -2px 4px rgba(0,0,0,0.08);
    border-bottom: 3px solid rgba(139, 115, 85, 0.2);
}

/* 完整資料卡片 */
.card.border-success {
    background: linear-gradient(135deg, #f0fdf4 0%, white 100%);
    border-color: #86efac !important;
}

.card.border-success .card-header {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    border-bottom-color: #15803d;
}

/* 口述資料卡片 */
.card.border-warning {
    background: linear-gradient(135deg, #fefce8 0%, white 100%);
    border-color: #fde047 !important;
}

.card.border-warning .card-header {
    background: linear-gradient(135deg, #facc15 0%, #eab308 100%);
    color: #713f12;
    border-bottom-color: #a16207;
}

/* 待補資料卡片 */
.card.border-danger {
    background: linear-gradient(135deg, #fef2f2 0%, white 100%);
    border-color: #fca5a5 !important;
}

.card.border-danger .card-header {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    border-bottom-color: #b91c1c;
}

/* 資料保存區塊圖示美化 */
.card-header i {
    display: inline-block;
    margin-bottom: 0.5rem;
    font-size: 2.5rem;
    text-shadow:
        2px 2px 4px rgba(0,0,0,0.2),
        0 0 10px rgba(255,255,255,0.3);
}

/* 資料清單美化 */
.card-body ul.list-unstyled {
    padding: 1rem 0;
}

.card-body ul.list-unstyled li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(139, 115, 85, 0.1);
    transition: all 0.2s ease;
}

.card-body ul.list-unstyled li:last-child {
    border-bottom: none;
}

.card-body ul.list-unstyled li:hover {
    padding-left: 0.5rem;
    background: rgba(139, 115, 85, 0.03);
}

.card-body ul.list-unstyled li a {
    color: var(--craft-green);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.card-body ul.list-unstyled li a:hover {
    color: var(--vermillion);
    text-decoration: underline;
}

.card-body ul.list-unstyled li i {
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

.card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0%, 100% { left: -100%; }
    50% { left: 100%; }
}

/* 補充按鈕樣式 */
.card-body .btn {
    margin-top: auto;
    border-radius: 10px;
    font-weight: 600;
    padding: 0.6rem 1.2rem;
    transition: all 0.3s ease;
}

.card-body .btn-outline-danger {
    border: 2px solid #ef4444;
    color: #dc2626;
    background: white;
}

.card-body .btn-outline-danger:hover {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

/* 工藝詳細頁裝飾 */
.craft-detail-decoration {
    position: relative;
    padding: 2rem;
    border-left: 5px solid var(--vermillion);
    border-radius: 0 12px 12px 0;
    background:
        linear-gradient(to right, rgba(200, 85, 61, 0.05) 0%, transparent 100%),
        repeating-linear-gradient(
            135deg,
            transparent,
            transparent 15px,
            rgba(139, 115, 85, 0.02) 15px,
            rgba(139, 115, 85, 0.02) 30px
        );
    box-shadow: inset 3px 0 8px rgba(200, 85, 61, 0.1);
}

.craft-detail-decoration::before {
    content: '◆';
    position: absolute;
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--vermillion);
    font-size: 1.5rem;
    background: var(--paper-white);
    padding: 0 5px;
    text-shadow:
        1px 1px 2px rgba(0,0,0,0.2),
        0 0 8px rgba(200, 85, 61, 0.3);
}

/* 輪播控制器工藝感 */
.carousel-control-prev-icon,
.carousel-control-next-icon {
    background-color: var(--craft-green);
    border-radius: 50%;
    padding: 20px;
    border: 2px solid var(--wood-color);
}

/* 表單輸入工藝感 */
.form-control, .form-select {
    border: 2px solid var(--bamboo);
    border-radius: 10px;
    background: var(--paper-white);
    font-family: 'Noto Sans TC', sans-serif;
    transition: all 0.3s ease;
    box-shadow:
        inset 1px 1px 3px rgba(139, 115, 85, 0.1),
        0 1px 2px rgba(74, 93, 79, 0.05);
}

.form-control:focus, .form-select:focus {
    border-color: var(--craft-green);
    box-shadow:
        0 0 20px rgba(74, 93, 79, 0.25),
        0 0 8px rgba(74, 93, 79, 0.15),
        inset 0 1px 6px rgba(74, 93, 79, 0.08);
    background: white;
    transform: translateY(-1px);
}

/* Modal 工藝感 */
.modal-content {
    border: 3px solid var(--wood-color);
    border-radius: 20px;
    background: var(--paper-white);
    box-shadow:
        0 15px 60px rgba(0,0,0,0.35),
        0 8px 30px rgba(0,0,0,0.2),
        inset 0 1px 3px rgba(255,255,255,0.5);
    overflow: hidden;
}

.modal-header {
    background: linear-gradient(135deg, var(--craft-green) 0%, var(--dark-green) 100%);
    color: white;
    border-bottom: 3px solid var(--vermillion);
    box-shadow: inset 0 -2px 5px rgba(0,0,0,0.2);
}

.modal-body {
    box-shadow: inset 0 3px 8px rgba(139, 115, 85, 0.08);
}

/* AI 推薦 Modal 特殊樣式 */
.ai-recommend-modal {
    background: linear-gradient(135deg, var(--paper-white) 0%, var(--beige-color) 100%);
}

.ai-recommend-modal .modal-header {
    background: linear-gradient(135deg, var(--vermillion) 0%, #A8453D 100%);
    border-bottom-color: var(--deep-wood);
}

.ai-recommend-modal .modal-header i {
    font-size: 1.5rem;
    margin-right: 0.5rem;
    animation: sparkle 2s infinite;
}

@keyframes sparkle {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: scale(1.2) rotate(180deg);
        opacity: 0.8;
    }
}

/* AI 訊息區塊 */
.ai-message {
    background: linear-gradient(135deg, rgba(200, 85, 61, 0.05) 0%, transparent 100%);
    border-left: 4px solid var(--vermillion);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 0 12px 12px 0;
    box-shadow: inset 2px 0 8px rgba(200, 85, 61, 0.1);
}

.ai-message p {
    margin: 0;
    color: var(--craft-green);
    font-weight: 500;
    font-size: 1.1rem;
}

/* 推薦卡片樣式 */
.recommend-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid rgba(139, 115, 85, 0.15);
    box-shadow:
        3px 3px 12px rgba(74, 93, 79, 0.15),
        6px 6px 24px rgba(74, 93, 79, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    transform: translateY(30px) scale(0.9);
}

.recommend-card.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.recommend-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow:
        6px 8px 25px rgba(74, 93, 79, 0.25),
        12px 16px 50px rgba(74, 93, 79, 0.15);
    border-color: var(--vermillion);
}

.recommend-card-img {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.recommend-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.recommend-card:hover .recommend-card-img img {
    transform: scale(1.1);
}

.recommend-card-body {
    padding: 1.5rem;
    background-image:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(139, 115, 85, 0.01) 10px,
            rgba(139, 115, 85, 0.01) 20px
        );
}

.recommend-card-body h5 {
    color: var(--craft-green);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.recommend-card-body p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--ink-black);
}

/* Toast 通知樣式 */
.craft-toast {
    border-radius: 12px;
    border: 2px solid var(--wood-color);
    box-shadow:
        0 6px 20px rgba(0,0,0,0.3),
        inset 0 1px 2px rgba(255,255,255,0.5);
    animation: slideInRight 0.4s ease-out;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.craft-toast .toast-header {
    background: linear-gradient(135deg, var(--paper-white) 0%, var(--beige-color) 100%);
    border-bottom: 2px solid rgba(139, 115, 85, 0.2);
    font-weight: 600;
}

.error-toast .toast-header {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-bottom-color: #ef4444;
}

.warning-toast .toast-header {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-bottom-color: #f59e0b;
}

.success-toast .toast-header {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-bottom-color: #10b981;
}

.craft-toast .toast-body {
    background: white;
    padding: 1rem;
    font-size: 0.95rem;
}

/* 工藝詳細頁面優化 */
.card .card-body {
    padding: 1.5rem;
    position: relative;
}

.card .card-body p {
    margin-bottom: 1rem;
}

.card .card-body p:last-child {
    margin-bottom: 0;
}

/* 工藝簡介內容容器 */
.craft-intro-content {
    width: 100%;
}

.craft-intro-content p {
    margin-bottom: 1rem;
}

.craft-intro-content p:last-child {
    margin-bottom: 0;
}

.craft-intro-content hr {
    border-color: rgba(139, 115, 85, 0.2);
    margin: 1.5rem 0;
}

/* 留言區塊樣式優化 */
.bg-light {
    background-color: rgba(245, 245, 220, 0.3) !important;
}

section.bg-light {
    padding-bottom: 3rem !important;
}

/* Footer 工藝感 */
footer {
    background: linear-gradient(135deg, var(--craft-green) 0%, var(--ink-black) 100%);
    border-top: 5px solid var(--vermillion);
    position: relative;
    margin-top: auto;
    flex-shrink: 0;
}

footer::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 0;
    right: 0;
    height: 5px;
    background: repeating-linear-gradient(
        90deg,
        var(--vermillion) 0px,
        var(--vermillion) 20px,
        var(--wood-color) 20px,
        var(--wood-color) 40px
    );
}

/* 動畫增強 */
.fade-in {
    animation: craftFadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    opacity: 0;
}

@keyframes craftFadeIn {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.92);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 滑動動畫（用於頁籤切換） */
.tab-pane {
    animation: slideIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 彈跳動畫（用於按鈕點擊） */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-10px) scale(1.05);
    }
}

/* 滾動觸發動畫 */
@keyframes scrollFadeIn {
    from {
        opacity: 0;
        transform: translateY(60px) rotate(-2deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotate(0deg);
    }
}

.scroll-reveal {
    animation: scrollFadeIn 0.9s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    opacity: 0;
}

/* 特殊裝飾元素 */
.corner-decoration {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid var(--vermillion);
}

.corner-decoration.top-left {
    top: 10px;
    left: 10px;
    border-right: none;
    border-bottom: none;
}

.corner-decoration.top-right {
    top: 10px;
    right: 10px;
    border-left: none;
    border-bottom: none;
}

.corner-decoration.bottom-left {
    bottom: 10px;
    left: 10px;
    border-right: none;
    border-top: none;
}

.corner-decoration.bottom-right {
    bottom: 10px;
    right: 10px;
    border-left: none;
    border-top: none;
}

/* 筆觸效果 */
.brush-stroke {
    position: relative;
    display: inline-block;
}

.brush-stroke::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(to right,
        transparent 0%,
        var(--vermillion) 20%,
        var(--vermillion) 80%,
        transparent 100%);
    opacity: 0.5;
    filter: blur(1px);
}

/* Hover 懸浮提示動畫 */
.craft-card .card-title {
    transition: all 0.3s ease;
    position: relative;
}

.craft-card:hover .card-title {
    transform: translateX(5px);
    color: var(--vermillion);
}

.craft-card .card-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--vermillion);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.craft-card:hover .card-title::after {
    width: 100%;
}

/* 按鈕脈動動畫 */
@keyframes pulse {
    0%, 100% {
        box-shadow:
            0 6px 25px rgba(200, 85, 61, 0.5),
            0 3px 12px rgba(200, 85, 61, 0.3);
    }
    50% {
        box-shadow:
            0 8px 35px rgba(200, 85, 61, 0.7),
            0 4px 18px rgba(200, 85, 61, 0.5);
    }
}

.floating-btn {
    animation: pulse 2s infinite;
}

/* 回應式調整 */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.2rem;
        padding-left: 30px;
    }

    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .seal-decoration {
        width: 30px;
        height: 30px;
        line-height: 26px;
        font-size: 0.9rem;
    }
}

/* 滾動條工藝風格 */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--beige-color);
    border-left: 1px solid var(--bamboo);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--craft-green) 0%, var(--dark-green) 100%);
    border-radius: 6px;
    border: 2px solid var(--beige-color);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--wood-color) 0%, var(--deep-wood) 100%);
}

/* 確保 modal backdrop 正確清除 */
body.modal-open {
    overflow: hidden !important;
    padding-right: 0 !important;
}

/* 強制確保沒有孤立的 backdrop */
.modal-backdrop.show {
    z-index: 1040;
}

/* 確保 modal 在 backdrop 之上 */
.modal.show {
    z-index: 1050;
}

/* 如果 body 沒有 modal-open class，隱藏所有 backdrop */
body:not(.modal-open) .modal-backdrop {
    display: none !important;
    opacity: 0 !important;
    pointer-events: none !important;
}