/* ===== Admin Analytics Dashboard Premium Styles ===== */
:root {
    --stats-bg: #09090b;
    --stats-surface: rgba(255, 255, 255, 0.03);
    --stats-surface-hover: rgba(255, 255, 255, 0.06);
    --stats-border: rgba(255, 255, 255, 0.08);
    --stats-border-hover: rgba(29, 185, 84, 0.4);
    --stats-primary: #1DB954;
    --stats-primary-glow: rgba(29, 185, 84, 0.3);
    --stats-text: #ffffff;
    --stats-text-muted: #a1a1aa;
}

.stats-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--stats-text);
    background: radial-gradient(circle at 50% 0%, rgba(29, 185, 84, 0.05) 0%, transparent 70%);
    min-height: 100vh;
}

/* Header */
.stats-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.stats-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin: 0;
    background: linear-gradient(135deg, #ffffff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.refresh-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0.8rem 1.75rem;
    background: var(--stats-surface);
    border: 1px solid var(--stats-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 30px;
    color: var(--stats-text);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.refresh-btn:hover {
    background: var(--stats-surface-hover);
    border-color: var(--stats-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--stats-primary-glow);
    color: var(--stats-primary);
}

.refresh-btn svg {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.refresh-btn:hover svg {
    transform: rotate(180deg);
}

/* Cards & Layout */
.stats-content {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) backwards;
    animation-delay: 0.2s;
}

.stats-card {
    background: var(--stats-surface);
    border-radius: 24px;
    padding: 2.5rem;
    border: 1px solid var(--stats-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0.5;
}

.stats-card h2 {
    font-size: 1.5rem;
    margin: 0 0 2rem 0;
    color: var(--stats-text);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Base Glass Card Item */
.glass-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--stats-border);
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--stats-border-hover);
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3), 0 0 20px var(--stats-primary-glow);
}

/* Grid Stats (Overview & Listening) */
.overview-grid,
.listening-stats-grid,
.user-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.stat-item,
.overview-stat,
.user-stat-card {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid var(--stats-border);
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-item::after,
.overview-stat::after,
.user-stat-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--stats-primary), #00e676);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-item:hover,
.overview-stat:hover,
.user-stat-card:hover {
    transform: translateY(-5px);
    border-color: rgba(29, 185, 84, 0.3);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.stat-item:hover::after,
.overview-stat:hover::after,
.user-stat-card:hover::after {
    transform: scaleX(1);
}

.stat-value,
.overview-value {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #1DB954 0%, #1ed760 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    line-height: 1.1;
    text-shadow: 0 2px 10px rgba(29, 185, 84, 0.2);
    display: block;
}

.stat-label,
.overview-label {
    font-size: 0.85rem;
    color: var(--stats-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* List Items (Songs & Users) */
.top-songs-grid,
.top-users-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.top-song-item,
.top-user-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    cursor: pointer;
}

.top-song-rank,
.user-rank {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--stats-text-muted);
    width: 50px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.top-song-item:nth-child(1) .top-song-rank,
.top-user-item:nth-child(1) .user-rank {
    color: #FFD700;
    text-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
}

.top-song-item:nth-child(2) .top-song-rank,
.top-user-item:nth-child(2) .user-rank {
    color: #C0C0C0;
    text-shadow: 0 0 15px rgba(192, 192, 192, 0.4);
}

.top-song-item:nth-child(3) .top-song-rank,
.top-user-item:nth-child(3) .user-rank {
    color: #CD7F32;
    text-shadow: 0 0 15px rgba(205, 127, 50, 0.4);
}

/* Play Overlay & Image wrapper */
.top-song-image-wrapper,
.song-thumb-wrapper {
    position: relative;
    width: 64px;
    height: 64px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    margin: 0 1.5rem 0 0.5rem;
}

.song-thumb-wrapper {
    width: 48px;
    height: 48px;
    margin: 0 1rem 0 0.5rem;
}

.top-song-image,
.song-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.play-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    backdrop-filter: blur(2px);
    transition: all 0.3s ease;
}

.play-overlay svg {
    color: white;
    transform: scale(0.8);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.top-song-item:hover .top-song-image,
.user-song-item:hover .song-thumb {
    transform: scale(1.1);
}

.top-song-item:hover .play-overlay,
.user-song-item:hover .play-overlay {
    opacity: 1;
}

.top-song-item:hover .play-overlay svg,
.user-song-item:hover .play-overlay svg {
    transform: scale(1);
}

/* Info Elements */
.top-song-info,
.user-info,
.song-details {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.top-song-name,
.user-name,
.song-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--stats-text);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.top-song-artist,
.user-stats,
.song-artist {
    font-size: 0.9rem;
    color: var(--stats-text-muted);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.highlight-text {
    color: var(--stats-primary);
    font-weight: 700;
}

.top-song-plays,
.song-plays {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    margin-left: 1.5rem;
    text-align: right;
}

.play-count,
.song-plays {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--stats-primary);
}

.song-plays {
    font-size: 1rem;
}

.play-label {
    font-size: 0.75rem;
    color: var(--stats-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.user-badge {
    font-size: 2rem;
    margin: 0 1rem;
}

.user-arrow {
    color: var(--stats-text-muted);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.top-user-item:hover .user-arrow {
    opacity: 1;
    transform: translateX(0);
    color: var(--stats-primary);
}

/* Modal Styling */
.stats-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.stats-modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 900px;
    max-height: 85vh;
    background: #121212;
    border-radius: 24px;
    border: 1px solid var(--stats-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 40px rgba(29, 185, 84, 0.1);
    display: flex;
    flex-direction: column;
    transform: scale(0.95) translateY(20px);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
}

.stats-modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    background: linear-gradient(180deg, rgba(29, 185, 84, 0.08) 0%, transparent 100%);
    border-bottom: 1px solid var(--stats-border);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.user-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1DB954, #1ed760);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    box-shadow: 0 8px 24px rgba(29, 185, 84, 0.4);
}

.modal-close {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--stats-border);
    color: var(--stats-text);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--stats-border) transparent;
}

.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--stats-border);
    border-radius: 4px;
}

/* Timeline Chart */
.activity-chart {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--stats-border);
    margin-bottom: 2.5rem;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 160px;
    padding-top: 20px;
}

.chart-bar-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: flex-end;
}

.chart-bar {
    width: 100%;
    max-width: 24px;
    background: linear-gradient(to top, rgba(29, 185, 84, 0.4), var(--stats-primary));
    border-radius: 4px 4px 0 0;
    transition: all 0.3s;
    min-height: 4px;
}

.chart-bar-wrapper:hover .chart-bar {
    filter: brightness(1.3);
    box-shadow: 0 0 15px var(--stats-primary-glow);
}

.chart-label {
    margin-top: 8px;
    font-size: 0.7rem;
    color: var(--stats-text-muted);
}

/* User top songs in modal */
.user-songs-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.user-song-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--stats-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.user-song-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(5px);
    border-color: rgba(29, 185, 84, 0.3);
}

.song-rank {
    width: 30px;
    font-weight: 700;
    color: var(--stats-text-muted);
    text-align: center;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loader */
.stats-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5rem;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(29, 185, 84, 0.2);
    border-top-color: var(--stats-primary);
    border-radius: 50%;
    animation: spin 1s infinite linear;
    margin-bottom: 1rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .stats-container {
        padding: 1.5rem 1rem;
    }

    .stats-header {
        flex-direction: column;
        gap: 1.5rem;
        align-items: flex-start;
        margin-bottom: 2rem;
    }

    .stats-header h1 {
        font-size: 2.2rem;
    }

    .stats-card {
        padding: 1.5rem;
    }

    .stat-value,
    .overview-value {
        font-size: 2.2rem;
    }

    .top-song-image-wrapper {
        width: 48px;
        height: 48px;
        margin: 0 1rem 0 0.25rem;
    }
}