/* Component Styles */

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.btn:hover {
    transform: scale(1.04);
}

.btn:active {
    transform: scale(0.96);
}

/* Navigation buttons */
.nav-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.nav-btn:hover {
    background-color: rgba(0, 0, 0, 0.8);
    transform: scale(1.04);
}

.nav-btn:active {
    transform: scale(0.96);
}

.nav-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.nav-btn i {
    font-size: 16px;
}

/* Home button */
.home-btn {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.home-btn:hover {
    background-color: var(--bg-hover);
    transform: scale(1.04);
}

.home-btn i {
    font-size: 20px;
}

/* Header buttons */
.header-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-xl);
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 700;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-btn:hover {
    background-color: rgba(0, 0, 0, 0.8);
    transform: scale(1.04);
}

.header-btn i {
    font-size: 16px;
}

/* Auth buttons */
.auth-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: 14px;
    font-weight: 700;
    transition: all var(--transition-fast);
    cursor: pointer;
    min-width: 80px;
    text-align: center;
}

.signup-btn {
    background-color: transparent;
    color: var(--text-secondary);
    border: none;
}

.signup-btn:hover {
    color: var(--text-primary);
    transform: scale(1.04);
}

.login-btn {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border: none;
}

.login-btn:hover {
    background-color: var(--text-primary);
    transform: scale(1.04);
}

/* Create button */
.create-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    background-color: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.create-btn:hover {
    color: var(--text-primary);
    transform: scale(1.04);
}

.create-btn i {
    font-size: 16px;
}

/* Tabs */
.nav-tab {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    background-color: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

.nav-tab.active {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Search library */
.search-library {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.search-library-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: transparent;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.search-library-btn:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    transform: scale(1.04);
}

.sort-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    background-color: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

/* Search box */
.search-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.search-input-wrapper {
    position: relative;
    flex: 1;
    max-width: 364px;
}

.search-input {
    width: 100%;
    min-width: 250px;
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 40px;
    border-radius: var(--radius-xl);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.search-input:focus {
    background-color: var(--bg-hover);
    outline: 2px solid var(--text-primary);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: var(--text-muted);
    pointer-events: none;
}

/* Library items */
.library-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.library-item:hover {
    background-color: var(--bg-tertiary);
}

.library-item.active {
    background-color: var(--bg-hover);
}

.item-image {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.item-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.liked-songs {
    background: linear-gradient(135deg, #450af5, #c4efd9);
}

.liked-songs i {
    font-size: 24px;
    color: var(--text-primary);
}

.item-info {
    flex: 1;
    min-width: 0;
}

.item-title {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.item-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.item-subtitle i {
    position: relative;
    top: 1px;
    font-size: 10px;
    color: var(--accent-primary);
}

/* Artist Hero */
.artist-hero {
    position: relative;
    height: 340px;
    margin: 0 -24px var(--spacing-lg) -24px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(transparent 0%, rgba(0, 0, 0, 0.5) 100%);
}

.hero-content {
    position: absolute;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    z-index: 2;
}

.verified-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--accent-primary);
    font-size: 14px;
    font-weight: 400;
}

.verified-badge i {
    font-size: 16px;
}

.artist-name {
    font-size: 96px;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.monthly-listeners {
    font-size: 16px;
    color: var(--text-primary);
    font-weight: 400;
}

/* Artist Controls */
.artist-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.play-btn-large {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.play-btn-large:hover {
    background-color: var(--accent-hover);
    transform: scale(1.04);
}

.play-btn-large i {
    font-size: 24px;
    margin-left: 2px;
}

/* Track List */
.popular-section {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.track-list {
    display: flex;
    flex-direction: column;
    margin-top: var(--spacing-lg);
}

.track-item {
    display: grid;
    grid-template-columns: 16px 40px 1fr auto auto auto auto;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.track-item.playing {
    background-color: var(--bg-tertiary);
}

.track-number {
    font-size: 16px;
    color: var(--text-secondary);
    text-align: center;
    font-weight: 400;
}

.playing-icon {
    color: var(--accent-primary);
    font-size: 14px;
}

.track-image img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.track-info {
    min-width: 0;
}

.track-name {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.track-name.playing-text {
    color: var(--accent-primary);
}

.track-plays {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

.track-duration {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
    min-width: 40px;
    text-align: right;
}

.track-menu-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: transparent;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    opacity: 0;
}

.track-item:hover .track-menu-btn {
    opacity: 1;
}

.track-menu-btn:hover {
    color: var(--text-primary);
    transform: scale(1.04);
}

.track-menu-btn i {
    font-size: 16px;
}

/* Player Controls */
.control-btn {
    position: relative;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.control-btn:hover {
    color: var(--text-primary);
    transform: scale(1.04);
}

.control-btn:active {
    transform: scale(0.96);
}

.control-btn i {
    font-size: 16px;
}

.control-btn.active {
    color: var(--accent-primary);
}

.control-btn.active::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: currentColor;
    transform: translateX(-50%);
}

.play-btn {
    width: 32px;
    height: 32px;
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

.play-btn:hover {
    color: var(--bg-primary);
    background-color: var(--text-primary);
    transform: scale(1.04);
}

.play-btn i {
    font-size: 16px;
}

/* Progress bars */
.progress-bar,
.volume-bar {
    position: relative;
    height: 4px;
    background-color: var(--bg-tertiary);
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.progress-bar:hover,
.volume-bar:hover {
    height: 6px;
}

.progress-fill,
.volume-fill {
    height: 100%;
    background-color: var(--text-primary);
    border-radius: 2px;
    position: relative;
    transition: all var(--transition-fast);
}

.progress-handle,
.volume-handle {
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background-color: var(--text-primary);
    border-radius: var(--radius-full);
    opacity: 0;
    transition: all var(--transition-fast);
}

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

/* User avatar */
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.user-avatar:hover {
    transform: scale(1.04);
}

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

/* Add button */
.add-btn {
    width: 20px;
    height: 20px;
    border: 1.5px solid currentColor;
    border-radius: var(--radius-full);
    background-color: transparent;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.add-btn:hover {
    color: var(--text-primary);
    transform: scale(1.04);
}

.add-btn i {
    font-size: 10px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    backdrop-filter: blur(4px);
}

.modal-overlay.show {
    display: flex;
}

.modal-container {
    position: relative;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 450px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    background-color: transparent;
    color: var(--text-secondary);
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
    transform: scale(1.1);
}

.modal-content {
    padding: var(--spacing-2xl) var(--spacing-xl);
    text-align: center;
}

.modal-logo {
    margin-bottom: var(--spacing-xl);
}

.modal-logo i {
    font-size: 48px;
    color: var(--text-primary);
}

.modal-heading {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.2;
}

/* Auth Form */
.auth-form-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.form-group {
    text-align: left;
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 16px;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--text-primary);
    background-color: var(--bg-hover);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* Error Message */
.error-message {
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    color: #f87171;
    font-size: 14px;
}

.error-message i {
    font-size: 14px;
    flex-shrink: 0;
}

/* Invalid State */
.form-group.invalid .form-input {
    border-color: #f87171;
    background-color: var(--bg-tertiary);
}

.form-group.invalid .error-message {
    display: flex;
}

/* Submit Button */
.auth-submit-btn {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-xl);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.auth-submit-btn:hover {
    background-color: var(--accent-hover);
    transform: scale(1.02);
}

.auth-submit-btn:active {
    transform: scale(0.98);
}

/* Auth Switch */
.auth-switch {
    color: var(--text-secondary);
    font-size: 14px;
}

.auth-link {
    background: none;
    border: none;
    color: var(--text-primary);
    text-decoration: underline;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.auth-link:hover {
    color: var(--accent-primary);
}

/* User Menu */
.user-menu {
    position: relative;
    display: flex;
    align-items: center;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-fast);
    background: none;
    border: none;
    padding: 0;
}

.user-avatar:hover {
    transform: scale(1.04);
}

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

/* User Dropdown */
.user-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-width: 160px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip);
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    font-size: 14px;
    border-radius: var(--radius-sm);
    margin: var(--spacing-xs);
}

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

.dropdown-item i {
    font-size: 16px;
    color: var(--text-secondary);
}

.dropdown-item:hover i {
    color: var(--text-primary);
}

/* Hits Section */
.hits-section,
.artists-section {
    margin-bottom: var(--spacing-2xl);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.section-heading {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* Grid Layouts */
.hits-grid,
.artists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-lg);
}

/* Hit Cards */
.hit-card,
.artist-card {
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.hit-card:hover,
.artist-card:hover {
    background-color: var(--bg-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Card Covers */
.hit-card-cover,
.artist-card-cover {
    position: relative;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 1;
}

.hit-card-cover img,
.artist-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.artist-card-cover img {
    border-radius: var(--radius-full);
}

/* Play Buttons */
.hit-play-btn,
.artist-play-btn {
    position: absolute;
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 48px;
    height: 48px;
    background-color: var(--accent-primary);
    border: none;
    border-radius: var(--radius-full);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(8px);
    transition: all var(--transition-fast);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

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

.hit-play-btn:hover,
.artist-play-btn:hover {
    background-color: var(--accent-hover);
    transform: scale(1.04);
}

.hit-play-btn:active,
.artist-play-btn:active {
    transform: scale(0.96);
}

.hit-play-btn i,
.artist-play-btn i {
    font-size: 16px;
    margin-left: 2px;
}

/* Card Info */
.hit-card-info,
.artist-card-info {
    padding: 0;
}

.hit-card-title,
.artist-card-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hit-card-artist,
.artist-card-type {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 400;
}