/* 现代化蓝白配色体系 */
:root {
    --primary-blue: #1e40af;
    --secondary-blue: #3b82f6;
    --light-blue: #dbeafe;
    --accent-blue: #60a5fa;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --medium-gray: #e2e8f0;
    --dark-gray: #475569;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --border-radius-lg: 20px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { 
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif; 
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%); 
    min-height: 100vh;
    color: var(--text-dark);
    line-height: 1.6;
}
.container { 
    max-width: 1400px; 
    margin: 0 auto; 
    padding: 30px 20px; 
}

.header { 
    text-align: center; 
    margin-bottom: 50px; 
    color: var(--text-dark); 
}
.header h1 { 
    font-size: 3rem; 
    margin-bottom: 15px; 
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.header p { 
    font-size: 1.3rem; 
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.search-container { 
    text-align: center; 
    margin-bottom: 50px; 
}
.search-box { 
    position: relative; 
    display: inline-block; 
    max-width: 500px;
    width: 100%;
}
.search-box input { 
    width: 100%; 
    padding: 18px 60px 18px 25px; 
    font-size: 16px; 
    border: 2px solid var(--medium-gray); 
    border-radius: 50px; 
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    color: var(--text-dark);
}
.search-box input:focus { 
    outline: none; 
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}
.search-box button { 
    position: absolute; 
    right: 15px; 
    top: 50%; 
    transform: translateY(-50%); 
    background: var(--secondary-blue); 
    border: none; 
    color: var(--white); 
    font-size: 18px; 
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
.search-box button:hover {
    background: var(--primary-blue);
    transform: translateY(-50%) scale(1.05);
}

.stats { 
    text-align: center; 
    color: var(--text-dark); 
    margin-bottom: 40px; 
    font-size: 1.1rem; 
    background: var(--white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--medium-gray);
}

.albums-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); 
    gap: 30px; 
    margin-bottom: 40px;
}
.album-card { 
    background: var(--white); 
    border-radius: var(--border-radius-lg); 
    box-shadow: var(--shadow-lg); 
    overflow: hidden; 
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid var(--medium-gray);
}
.album-card:hover { 
    transform: translateY(-8px); 
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-blue);
}
.album-cover { 
    height: 220px; 
    overflow: hidden; 
    position: relative;
    background: var(--light-gray);
}
.album-cover img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    transition: transform 0.5s ease;
}
.album-card:hover .album-cover img { 
    transform: scale(1.05);
}
.album-info { 
    padding: 25px; 
}
.album-info h2 { 
    font-size: 1.4rem; 
    margin-bottom: 12px; 
    color: var(--text-dark); 
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-weight: 600;
}
.album-meta { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 20px;
    color: var(--text-light);
    font-size: 0.9rem;
}
.album-meta span { 
    display: flex; 
    align-items: center; 
    gap: 6px;
}
.view-button { 
    display: block; 
    text-align: center; 
    padding: 14px; 
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--primary-blue) 100%); 
    color: var(--white); 
    text-decoration: none; 
    border-radius: 10px; 
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}
.view-button:hover { 
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
}

.no-results { 
    text-align: center; 
    color: var(--text-light); 
    font-size: 1.2rem; 
    padding: 60px 40px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--medium-gray);
}

.loading { 
    text-align: center; 
    color: var(--text-light); 
    font-size: 1.2rem; 
    padding: 60px 40px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--medium-gray);
}

@media (max-width: 768px) {
    .albums-grid { grid-template-columns: 1fr; }
    .search-box { max-width: 100%; }
    .header h1 { font-size: 2.2rem; }
    .container { padding: 20px 15px; }
    .album-info { padding: 20px; }
}