/* ============================================
   CHART COMPONENTS - ENHANCED PREMIUM
   ============================================ */

/* ===== CHART CONTAINER ===== */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
    margin-top: var(--space-2);
    transition: all var(--transition);
}

.chart-container canvas {
    width: 100% !important;
    height: 100% !important;
}

/* ===== CHART CARD - PREMIUM GLASS ===== */
.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: var(--blur-sm);
    box-shadow: var(--shadow-sm);
}

/* Glass shine effect */
.chart-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        105deg,
        transparent 40%,
        rgba(255, 255, 255, 0.03) 50%,
        transparent 60%
    );
    pointer-events: none;
    transition: left 0.6s ease;
    z-index: 1;
}

.chart-card:hover::before {
    left: 100%;
}

/* Glow orb on hover */
.chart-card::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.6s ease;
    z-index: 0;
}

.chart-card:hover::after {
    opacity: 1;
}

.chart-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.chart-card > * {
    position: relative;
    z-index: 1;
}

/* ===== CHART HEADER ===== */
.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: var(--space-2);
}

.chart-title {
    font-weight: var(--font-bold);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-lg);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.chart-title i {
    color: var(--clr-secondary);
    font-size: var(--text-xl);
    background: rgba(139, 92, 246, 0.08);
    padding: 8px;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.chart-card:hover .chart-title i {
    background: rgba(139, 92, 246, 0.15);
    transform: scale(1.05);
}

/* ===== ANIME COUNTER - PREMIUM BADGE ===== */
.anime-counter {
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.anime-counter::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.chart-card:hover .anime-counter::before {
    left: 100%;
}

.chart-card:hover .anime-counter {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.anime-counter i {
    font-size: var(--text-xs);
}

/* ===== CHART LEGEND - ENHANCED ===== */
.chart-legend {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.legend-item:hover {
    color: var(--text-primary);
    transform: translateX(3px);
    background: rgba(139, 92, 246, 0.05);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.legend-item:hover .legend-color {
    transform: scale(1.15);
}

.legend-color.completed {
    background: var(--gradient-success);
}
.legend-color.watching {
    background: var(--gradient-primary);
}
.legend-color.planning {
    background: var(--gradient-warning);
}
.legend-color.dropped {
    background: var(--gradient-danger);
}

/* ===== GENRE FILTER BUTTONS - ENHANCED ===== */
.genre-filter-buttons {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.genre-filter-btn {
    padding: var(--space-1) var(--space-3);
    border: none;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    border: 1px solid transparent;
}

.genre-filter-btn i {
    font-size: var(--text-xs);
}

.genre-filter-btn:hover {
    background: rgba(139, 92, 246, 0.12);
    transform: translateY(-2px);
    color: var(--text-primary);
    border-color: rgba(139, 92, 246, 0.15);
}

.genre-filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
    border-color: transparent;
}

.genre-filter-btn.active:hover {
    box-shadow: 0 6px 25px rgba(79, 70, 229, 0.4);
    transform: translateY(-2px);
}

/* ===== NO DATA MESSAGE ===== */
.no-data-message {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    margin-top: var(--space-3);
    border: 2px dashed rgba(139, 92, 246, 0.1);
}

.no-data-message i {
    font-size: 3rem;
    color: var(--clr-secondary);
    opacity: 0.4;
    margin-bottom: var(--space-3);
}

.no-data-message p {
    color: var(--text-muted);
    font-size: var(--text-sm);
}

/* ===== CHART LOADING ===== */
.chart-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 280px;
    gap: var(--space-4);
}

.chart-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(139, 92, 246, 0.15);
    border-top-color: var(--clr-secondary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.chart-loading p {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

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

/* ============================================
   HEATMAP - ENHANCED
   ============================================ */
.heatmap-wrapper {
    width: 100%;
    overflow-x: auto;
    padding: var(--space-2) 0;
    scroll-behavior: smooth;
}

.heatmap-wrapper::-webkit-scrollbar {
    height: 4px;
}

.heatmap-wrapper::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 10px;
}

.heatmap-wrapper::-webkit-scrollbar-thumb {
    background: var(--clr-secondary);
    border-radius: 10px;
}

.heatmap-grid {
    display: flex;
    flex-direction: row;
    gap: 3px;
    min-width: 600px;
}

.heatmap-col {
    display: flex;
    flex-direction: column;
    gap: 3px;
    flex: 1;
    min-width: 12px;
}

.heatmap-cell {
    width: 100%;
    aspect-ratio: 1/1;
    min-width: 12px;
    max-width: 14px;
    border-radius: 3px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.heatmap-cell:hover {
    transform: scale(1.25);
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.5), 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 10;
    position: relative;
}

.heatmap-cell.level-0 { background: rgba(51, 65, 85, 0.4); }
.heatmap-cell.level-1 { background: #9be9a8; }
.heatmap-cell.level-2 { background: #40c463; }
.heatmap-cell.level-3 { background: #30a14e; }
.heatmap-cell.level-4 { background: #216e39; }

[data-theme="light"] .heatmap-cell.level-0 { background: #e2e8f0; }
[data-theme="light"] .heatmap-cell.level-1 { background: #c6e9c6; }
[data-theme="light"] .heatmap-cell.level-2 { background: #9bd89b; }
[data-theme="light"] .heatmap-cell.level-3 { background: #68c268; }
[data-theme="light"] .heatmap-cell.level-4 { background: #3da63d; }

/* Heatmap Header - Enhanced */
.heatmap-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
    gap: var(--space-3);
}

.heatmap-title {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-primary);
}

.heatmap-title i {
    color: var(--clr-secondary);
    font-size: var(--text-xl);
    background: rgba(139, 92, 246, 0.08);
    padding: 8px;
    border-radius: var(--radius-md);
}

.total-contributions {
    background: var(--bg-tertiary);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: all 0.3s ease;
}

.total-contributions:hover {
    border-color: var(--clr-secondary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.total-contributions i {
    color: var(--clr-warning);
}

.total-contributions span {
    color: var(--text-primary);
    font-weight: var(--font-bold);
}

/* Heatmap Years - Enhanced */
.heatmap-years {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.year-btn {
    padding: var(--space-1) var(--space-4);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all 0.3s ease;
}

.year-btn:hover {
    border-color: var(--clr-secondary);
    color: var(--text-primary);
    transform: translateY(-2px);
    background: rgba(139, 92, 246, 0.05);
}

.year-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.year-btn.active:hover {
    box-shadow: 0 6px 25px rgba(79, 70, 229, 0.4);
    transform: translateY(-2px);
}

/* Heatmap Legend - Enhanced */
.heatmap-legend {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-color);
}

.legend-text {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.legend-colors {
    display: flex;
    gap: 3px;
}

.legend-color-block {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.legend-color-block:hover {
    transform: scale(1.2);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .chart-container {
        height: 250px;
    }
}

@media (max-width: 768px) {
    .chart-container {
        height: 220px;
    }
    
    .chart-card {
        padding: var(--space-4);
        border-radius: var(--radius-xl);
    }
    
    .chart-title {
        font-size: var(--text-base);
    }
    
    .chart-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .genre-filter-buttons {
        width: 100%;
        justify-content: flex-start;
    }
    
    .genre-filter-btn {
        flex: 1;
        justify-content: center;
        font-size: var(--text-xs);
        padding: var(--space-1) var(--space-2);
        min-width: 60px;
    }
    
    .heatmap-cell {
        min-width: 10px;
        max-width: 11px;
    }
    
    .heatmap-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .chart-container {
        height: 180px;
    }
    
    .chart-card {
        padding: var(--space-3);
        border-radius: var(--radius-lg);
    }
    
    .chart-title {
        font-size: var(--text-sm);
    }
    
    .chart-title i {
        padding: 6px;
        font-size: var(--text-base);
    }
    
    .anime-counter {
        font-size: 0.6rem;
        padding: var(--space-1) var(--space-2);
    }
    
    .heatmap-cell {
        min-width: 8px;
        max-width: 9px;
    }
    
    .total-contributions {
        font-size: var(--text-xs);
        padding: var(--space-1) var(--space-3);
    }
    
    .year-btn {
        padding: var(--space-1) var(--space-3);
        font-size: var(--text-xs);
    }
    
    .heatmap-legend {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .genre-filter-btn {
        font-size: 0.6rem;
        padding: var(--space-1) var(--space-2);
        min-width: 50px;
    }
}

/* ============================================
   EMPTY STATE STYLES - PREMIUM
   ============================================ */

.empty-state {
    text-align: center;
    padding: 48px 24px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 24px;
    border: 2px dashed rgba(139, 92, 246, 0.15);
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
}

.empty-state:hover {
    border-color: rgba(139, 92, 246, 0.3);
    background: rgba(0, 0, 0, 0.15);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    color: #8B5CF6;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.empty-state:hover .empty-state-icon {
    opacity: 0.8;
    transform: scale(1.05);
}

.empty-state-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state-message {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.empty-state-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 28px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.empty-state-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.empty-state-action:active {
    transform: translateY(0);
}

/* ============================================
   LIGHT MODE - EMPTY STATE
   ============================================ */
[data-theme="light"] .empty-state {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .empty-state:hover {
    border-color: rgba(139, 92, 246, 0.2);
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .empty-state-title {
    color: #1a1f2e;
}

/* ============================================
   INSTALL PROMPT STYLES - PREMIUM
   ============================================ */

.install-prompt {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    z-index: 9999;
    display: none;
    animation: installSlideUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.install-prompt:not([hidden]) {
    display: block !important;
}

.install-prompt-content {
    max-width: 500px;
    margin: 0 auto;
    background: linear-gradient(145deg, rgba(26, 31, 46, 0.98), rgba(15, 23, 42, 0.99));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 28px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid rgba(139, 92, 246, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.install-prompt-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #6366F1, #8B5CF6, #A78BFA, #6366F1);
    background-size: 300% 100%;
    animation: borderPulse 3s ease infinite;
}

@keyframes borderPulse {
    0%, 100% { background-position: 0% 50%; opacity: 0.6; }
    50% { background-position: 100% 50%; opacity: 1; }
}

/* ============================================
   INSTALL ICON
   ============================================ */
.install-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(99, 102, 241, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.install-prompt:hover .install-icon {
    transform: scale(1.05);
}

.install-icon i {
    font-size: 1.8rem;
    background: linear-gradient(135deg, #8B5CF6, #6366F1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: iconBounce 2.5s ease infinite;
}

@keyframes iconBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* ============================================
   INSTALL TEXT
   ============================================ */
.install-text {
    flex: 1;
    min-width: 0;
}

.install-text h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 2px;
    background: linear-gradient(135deg, #FFFFFF, #A78BFA);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.install-text p {
    font-size: 0.75rem;
    color: #94A3B8;
    margin: 0;
}

/* ============================================
   INSTALL ACTIONS
   ============================================ */
.install-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.install-close {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 50%;
    color: #94A3B8;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.install-close:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #EF4444;
    transform: rotate(90deg);
    border-color: rgba(239, 68, 68, 0.3);
}

.install-btn {
    padding: 10px 24px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 40px;
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.install-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.5s ease;
}

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

.install-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.install-btn:active {
    transform: translateY(0);
}

.install-btn i {
    transition: transform 0.2s ease;
}

.install-btn:hover i {
    transform: translateX(3px);
}

/* ============================================
   INSTALL ANIMATION
   ============================================ */
@keyframes installSlideUp {
    from {
        opacity: 0;
        transform: translateY(100px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ============================================
   RESPONSIVE INSTALL PROMPT
   ============================================ */
@media (max-width: 768px) {
    .install-prompt {
        bottom: 12px;
        left: 12px;
        right: 12px;
    }
    
    .install-prompt-content {
        padding: 14px 16px;
        gap: 12px;
        border-radius: 20px;
    }
    
    .install-icon {
        width: 44px;
        height: 44px;
    }
    
    .install-icon i {
        font-size: 1.4rem;
    }
    
    .install-text h4 {
        font-size: 0.9rem;
    }
    
    .install-text p {
        font-size: 0.7rem;
    }
    
    .install-btn {
        padding: 8px 16px;
        font-size: 0.75rem;
    }
    
    .install-close {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .install-prompt-content {
        flex-wrap: wrap;
        text-align: center;
        justify-content: center;
        padding: 16px;
        gap: 12px;
        border-radius: 16px;
    }
    
    .install-icon {
        width: 50px;
        height: 50px;
    }
    
    .install-text {
        text-align: center;
        width: 100%;
    }
    
    .install-actions {
        width: 100%;
        justify-content: center;
        margin-top: 4px;
    }
    
    .install-btn {
        flex: 1;
        justify-content: center;
        padding: 8px 16px;
        font-size: 0.75rem;
    }
}

/* ============================================
   LIGHT MODE - INSTALL PROMPT
   ============================================ */
[data-theme="light"] .install-prompt-content {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.99));
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .install-text h4 {
    background: linear-gradient(135deg, #1a1f2e, #7C3AED);
    -webkit-background-clip: text;
    background-clip: text;
}

[data-theme="light"] .install-text p {
    color: #64748B;
}

[data-theme="light"] .install-close {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .install-close:hover {
    background: rgba(239, 68, 68, 0.08);
}

[data-theme="light"] .install-btn {
    background: linear-gradient(135deg, #4F46E5, #7C3AED);
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .install-prompt {
        animation: none !important;
    }
    
    .install-prompt-content::before {
        animation: none !important;
    }
    
    .install-icon i {
        animation: none !important;
    }
    
    .chart-card::before,
    .chart-card::after,
    .anime-counter::before {
        display: none !important;
    }
    
    .chart-card:hover {
        transform: none !important;
    }
    
    .heatmap-cell:hover {
        transform: none !important;
    }
}