/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2rem 0;
    text-align: center;
}

.title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

/* Main content */
.main {
    padding: 2rem 0;
    flex: 1;
}

/* Controls */
.controls {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.search-container {
    display: flex;
    flex: 1;
    min-width: 300px;
}

.search-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px 0 0 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    border-color: #667eea;
}

.search-button {
    padding: 0.75rem 1rem;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.search-button:hover {
    background: #5a6fd8;
}

.filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-select {
    padding: 0.75rem 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
    outline: none;
    transition: border-color 0.3s ease;
}

.filter-select:focus {
    border-color: #667eea;
}

.reverse-button {
    padding: 0.75rem 1rem;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    outline: none;
}

.reverse-button:hover {
    background: #5a6fd8;
    transform: translateY(-1px);
}

.reverse-button:active {
    transform: translateY(0);
}

.reverse-button.reversed {
    background: #764ba2;
}

.reverse-button.reversed:hover {
    background: #6a4190;
}

#reverseIcon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.reverse-button.reversed #reverseIcon {
    transform: rotate(180deg);
}

/* Bookmark controls */
.bookmark-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.jump-to-rank {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.rank-input {
    width: 140px;
    padding: 0.75rem 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.rank-input:focus {
    border-color: #667eea;
}

.jump-button {
    padding: 0.75rem 1.25rem;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.jump-button:hover {
    background: #5a6fd8;
    transform: translateY(-1px);
}

.jump-button:active {
    transform: translateY(0);
}


/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-item {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-2px);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Albums grid */
.albums-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.album-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
}

.album-cover {
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    font-weight: 300;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    position: relative;
    overflow: hidden;
}

.album-cover:has(.album-cover-image) {
    background: none;
}

.album-cover:has(.album-cover-image)::before {
    display: none;
}

.album-cover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 2px,
        rgba(255,255,255,0.1) 2px,
        rgba(255,255,255,0.1) 4px
    );
    pointer-events: none;
}

.album-cover-icon {
    font-size: 4rem;
    opacity: 0.8;
    z-index: 1;
    position: relative;
}

.album-cover-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.album-share {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(102, 126, 234, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.album-card:hover .album-share {
    opacity: 1;
    transform: scale(1);
}

.album-share:hover {
    background: rgba(102, 126, 234, 1);
    transform: scale(1.1);
}

.album-share:active {
    transform: scale(0.95);
}

.album-share.copied {
    background: rgba(23, 162, 184, 0.9);
}

.album-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.album-rank {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    min-width: 80px;
    text-align: center;
    flex-shrink: 0;
}

.album-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.album-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    line-height: 1.3;
    margin: 0;
}

.album-artist {
    font-size: 1.1rem;
    color: #666;
    margin: 0;
}

.album-info {
    font-size: 0.9rem;
    color: #888;
    margin: 0;
}

.album-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    align-self: flex-start;
}

.status-new {
    background: #e8f5e8;
    color: #2d8f47;
}

.status-improved {
    background: #e3f2fd;
    color: #1976d2;
}

.status-dropped {
    background: #ffeaea;
    color: #d32f2f;
}

.status-no-change {
    background: #f5f5f5;
    color: #666;
}

.album-description {
    font-size: 0.9rem;
    color: #555;
    line-height: 1.5;
}


/* Loading and error states */
.loading {
    text-align: center;
    padding: 3rem 0;
    color: white;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error {
    text-align: center;
    padding: 3rem 0;
    color: #ff6b6b;
    background: white;
    border-radius: 12px;
    margin: 2rem 0;
}

/* Footer */
.footer {
    background: rgba(0,0,0,0.1);
    color: rgba(255,255,255,0.8);
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-container {
        min-width: auto;
    }
    
    .filters {
        justify-content: center;
    }
    
    .reverse-button {
        min-width: auto;
        padding: 0.75rem;
    }
    
    #reverseText {
        display: none;
    }
    
    .bookmark-controls {
        width: 100%;
        justify-content: center;
    }
    
    .rank-input {
        width: 120px;
    }
    
    .album-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .album-rank {
        min-width: auto;
        text-align: left;
    }
    
    .album-cover {
        width: 120px;
        height: 120px;
        align-self: center;
    }
    
    .album-cover-icon {
        font-size: 3rem;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .controls {
        padding: 1rem;
    }
    
    .album-card {
        padding: 1rem;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
}