/* Modern Dark Theme for MuzikDinle.ai */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;
    --bg-hover: #222;
    --text-primary: #fff;
    --text-secondary: #b3b3b3;
    --text-muted: #8a8a8a;
    --accent: #1db954;
    --accent-hover: #1ed760;
    --border: #2a2a2a;
    --player-height: 90px;
    --navbar-height: 64px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent);
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
}

img.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

img.lazy.loaded {
    opacity: 1;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    backdrop-filter: blur(10px);
}

.navbar .container {
    height: 100%;
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo .ai {
    color: var(--accent);
}

.nav-search {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.nav-search input {
    width: 100%;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 24px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: all 0.2s;
}

.nav-search input:focus {
    border-color: var(--accent);
    background: var(--bg-primary);
}

.search-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    max-height: 400px;
    overflow-y: auto;
    display: none;
}

.search-dropdown.active {
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.nav-link:hover {
    border-bottom-color: var(--accent);
}

.user-menu {
    position: relative;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.2s;
}

.user-avatar:hover {
    transform: scale(1.1);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    min-width: 200px;
    display: none;
    padding: 8px 0;
}

.dropdown.active {
    display: block;
}

.dropdown a {
    display: block;
    padding: 10px 16px;
    font-size: 14px;
    transition: background 0.2s;
}

.dropdown a:hover {
    background: var(--bg-hover);
}

.dropdown hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 8px 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: #000;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

.btn-outline {
    border: 1px solid var(--text-secondary);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-text {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    transition: color 0.2s;
}

.btn-text:hover {
    color: var(--text-primary);
}

/* Main Content */
.main-content {
    margin-top: var(--navbar-height);
    padding-bottom: calc(var(--player-height) + 32px);
    min-height: calc(100vh - var(--navbar-height) - var(--player-height));
}

/* Hero */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-bottom: 1px solid var(--border);
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-search {
    display: flex;
    gap: 12px;
    max-width: 600px;
}

.hero-search-input {
    flex: 1;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 32px;
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
    transition: border-color 0.2s;
}

.hero-search-input:focus {
    border-color: var(--accent);
}

/* Section */
.section {
    margin: 48px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 28px;
    font-weight: 700;
}

/* Tracks List */
.tracks-list {
    background: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
}

.track-item {
    display: grid;
    grid-template-columns: 40px 56px 1fr 40px 60px 40px 80px;
    gap: 16px;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
}

.track-item:hover {
    background: var(--bg-hover);
}

.track-item:last-child {
    border-bottom: none;
}

.track-number {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.number-text {
    color: var(--text-muted);
    font-size: 14px;
    text-align: center;
}

.track-image {
    width: 48px;
    height: 48px;
    border-radius: 4px;
    object-fit: cover;
}

.track-info {
    overflow: hidden;
}

.track-title {
    display: block;
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.track-artist {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.track-play-btn,
.track-like-btn {
    opacity: 0;
    transition: all 0.2s;
}

.track-item:hover .track-play-btn,
.track-item:hover .track-like-btn {
    opacity: 1;
}

/* Keep now-playing indicator visible when track is playing */
.track-item.now-playing .number-text {
    display: none;
}

.track-item.now-playing .now-playing-indicator {
    display: flex !important;
}

.track-item:hover .number-text {
    display: none;
}

/* Keep now-playing indicator visible on hover for playing track only */
.track-item.now-playing:hover .now-playing-indicator {
    display: flex !important;
}

/* Modern track row support for now-playing */
.modern-track-row .track-number {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
}

.modern-track-row:hover .number-text {
    display: none;
}

/* Only show indicator when track is actually playing */
.modern-track-row.now-playing .number-text {
    display: none;
}

.modern-track-row.now-playing .now-playing-indicator {
    display: flex !important;
}

/* Keep indicator visible on hover for playing track */
.modern-track-row.now-playing:hover .now-playing-indicator {
    display: flex !important;
}

.track-play-btn {
    width: 32px;
    height: 32px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
}

.track-play-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.1);
}

.track-like-btn {
    padding: 8px;
}

.track-like-btn.liked path {
    fill: var(--accent);
    stroke: var(--accent);
}

.track-duration {
    color: var(--text-secondary);
    font-size: 14px;
}

.track-plays {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 13px;
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 24px;
}

.card {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 16px;
    transition: all 0.2s;
}

.card:hover {
    background: var(--bg-hover);
}

.card-image-wrapper {
    position: relative;
    display: block;
    margin-bottom: 12px;
}

.card-image {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 4px;
    object-fit: cover;
}

.card-play-btn {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 48px;
    height: 48px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    opacity: 0;
    transform: translateY(8px);
    transition: all 0.3s;
}

.card:hover .card-play-btn {
    opacity: 1;
    transform: translateY(0);
}

.card-play-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.1) !important;
}

.card-title {
    display: block;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-subtitle {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Music Player */
.music-player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--player-height);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 16px;
    padding: 16px 24px;
    z-index: 101;
}

.player-track-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.player-track-visual {
    position: relative;
    width: 56px;
    height: 56px;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
}

.player-track-image,
.player-track-video {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    object-fit: cover;
    transition: all 0.3s;
}

.player-track-details {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.player-track-title {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
}

.player-track-artist {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-track-image.playing,
.player-track-video.playing {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Legacy support */
.player-image {
    width: 56px;
    height: 56px;
    border-radius: 4px;
    object-fit: cover;
    transition: all 0.3s;
}

.player-image.playing {
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(29, 185, 84, 0.15);
    }
    50% {
        box-shadow: 0 0 8px rgba(29, 185, 84, 0.25);
    }
}

.player-details {
    flex: 1;
    min-width: 0;
}

.player-title {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.player-artist {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-like {
    padding: 8px;
}

.player-like.liked path {
    fill: var(--accent);
    stroke: var(--accent);
}

.player-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.player-controls > div:first-child {
    display: flex;
    gap: 12px;
    align-items: center;
}

.player-btn {
    padding: 8px;
    transition: all 0.2s;
    position: relative;
}

.player-btn.play-pause-btn {
    animation: subtle-pulse 2s ease-in-out infinite;
}

@keyframes subtle-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.player-btn:hover {
    color: var(--accent);
    transform: scale(1.1);
}

.player-btn-play {
    width: 40px;
    height: 40px;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.player-btn-play:hover {
    background: var(--accent);
    color: #000;
    transform: scale(1.15);
}

.player-progress {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.player-time {
    font-size: 11px;
    color: var(--text-muted);
    min-width: 40px;
    text-align: center;
}

.progress-bar {
    flex: 1;
    height: 4px;
    background: var(--bg-hover);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    width: 0%;
    transition: width 0.1s;
}

.progress-handle {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: var(--text-primary);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s;
}

.progress-bar:hover .progress-handle {
    opacity: 1;
}

.player-volume {
    display: flex;
    align-items: center;
    gap: 8px;
    justify-self: end;
}

.volume-slider {
    width: 80px;
    height: 4px;
    background: var(--bg-hover);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
}

.volume-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    width: 100%;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 48px 24px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-search {
        display: none;
    }

    .hero-title {
        font-size: 36px;
    }

    .grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 16px;
    }

    .track-item {
        grid-template-columns: 40px 48px 1fr 40px;
        gap: 12px;
    }

    .track-plays,
    .track-duration {
        display: none;
    }

    .music-player {
        grid-template-columns: 1fr;
        height: auto;
        padding: 12px;
    }

    .player-volume {
        display: none;
    }
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 1;
    cursor: pointer;
}

.modal-content {
    position: relative;
    background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
    border-radius: 16px;
    padding: 32px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    z-index: 2;
    animation: modalSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: auto;
    cursor: default;
}

.modal-content input,
.modal-content textarea,
.modal-content button,
.modal-content select {
    pointer-events: auto;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-content h2 {
    font-size: 24px;
    margin-bottom: 24px;
}

.playlist-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
}

.playlist-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
    text-align: left;
}

.playlist-item:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}

.playlist-item.create-new {
    border: 2px dashed var(--border);
    color: var(--accent);
    font-weight: 600;
}

.playlist-item .icon {
    font-size: 24px;
}

.playlist-title {
    font-size: 15px;
    font-weight: 500;
}

.playlist-meta {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--accent);
    z-index: 10000;
    opacity: 0;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.toast.active {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Form styles for modals */
.modal-content .form-group {
    margin-bottom: 20px;
}

.modal-content .form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.modal-content .form-group input[type="text"],
.modal-content .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
    font-family: inherit;
}

.modal-content .form-group input:focus,
.modal-content .form-group textarea:focus {
    border-color: var(--accent);
}

.modal-content .form-group .checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.modal-content .form-group .checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.modal-content .form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.modal-content .form-actions .btn {
    flex: 1;
}

/* ============================================
   Page Transition Effects
   ============================================ */

/* Page transition overlay */
.page-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.97);
    z-index: 99999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-transition-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* Clean loading spinner */
.page-transition-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: #1db954;
    border-radius: 50%;
    animation: pageSpinner 0.7s linear infinite;
}

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

/* Page content fade in */
body {
    animation: pageLoad 0.25s ease;
}

@keyframes pageLoad {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Smooth link transitions */
body.page-transitioning {
    cursor: wait;
}

body.page-transitioning * {
    pointer-events: none !important;
}