/* 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;
}

/* Following btn */
.follow-btn {
    padding: 8.5px 20px;
    border: 1px solid var(--text-muted);
    border-radius: 999px;
    background-color: transparent;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.follow-btn:hover {
    border-color: var(--text-primary);
    transform: scale(1.03);
}

/* Tabs */
.nav-tab {
    padding: 8.2px 12px;
    border-radius: var(--radius-xl);
    /* background-color: transparent; */
    background-color: var(--bg-active);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

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

.close-filter-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-active);
    color: #fff;
    font-size: 1rem;
}

/* 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-active);
    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 wrapper + search input */
.search-wrapper {
    display: flex;
    align-items: center;
    gap: 4px;

    height: 32px;
    padding: 0 8px;
    border-radius: 8px;

    transition: box-shadow 0.2s;
    box-shadow: none;
    background: var(--bg-active);
    color: var(--text-secondary);

    display: none;
    opacity: 0;
    width: 0;
    transition: width 0.3s, opacity 0.25s;
}

/* Show when expanded */
.search-wrapper.expanded {
    display: flex;
    opacity: 1;
    width: 100%;
}

/* Hide the main search button when expanded */
.search-library-btn.hide {
    display: none;
}

.sort-btn.hide {
    display: none;
}

.search-btn-icon {
    display: flex;
    align-items: center;
    margin-left: 4px;

    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
}

.search-library-input {
    border: none;
    outline: none;

    width: 160px;
    min-width: 0;
    padding-left: 4px;

    background: transparent;
    color: var(--text-secondary);
    font-size: 15px;

    transition: width 0.25s, opacity 0.25s;
    opacity: 0.88;
}

.search-library-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
    font-size: 15px;
}

.no-results-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 250px;
    width: 100%;

    text-align: center;
    color: #b3b3b3;
    font-family: inherit;
}

.no-results-title {
    font-weight: 600;
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 16px;
}

.no-results-desc {
    font-size: 1rem;
    letter-spacing: 0.2px;
    line-height: 1.4;
    color: #b3b3b3;
}

/* 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: 6px;
}

.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-bar:hover .progress-fill,
.volume-container:hover .volume-fill {
    background: var(--accent-hover);
}

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

.progress-fill {
    transition: width 0.4s cubic-bezier(0.3, 1, 0.7, 1);
}

.progress-handle,
.volume-handle {
    position: absolute;
    left: 0;
    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,
.volume-container:hover .volume-handle {
    opacity: 1;
}

/* User avatar */
/* .user-avatar {
    width: 34px;
    height: 34px;
    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-info {
    position: relative;
    z-index: 2;
}

.user-avatar {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-fast);
    background: #509bf5;
    font-weight: 700;
    font-size: 14px;
    border: none;
    padding: 0;
}

.user-avatar::before {
    content: '';
    position: absolute;
    top: -25%;
    left: -25%;
    width: 150%;
    height: 150%;
    border-radius: 50%;
    background: rgba(149, 160, 174, 0.2);
    transition: box-shadow 0.3s;
    z-index: 0;
}

.user-info: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);
} */

.user-dropdown {
    position: absolute;
    top: calc(100% + 16px);
    right: 0;

    min-width: 250px;
    background: #222;
    border-radius: 8px;
    padding: 4px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);

    font-size: 16px;
    list-style: none;

    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);
}

.user-dropdown .dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 22px;
    color: #fff;
    background: none;
    border: none;
    width: 100%;
    font-size: inherit;
    text-align: left;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.18s, color 0.18s;
    text-decoration: none;
    gap: 14px;
}

.user-dropdown .dropdown-item span {
    flex: 1;
    text-align: left;
}

.user-dropdown .dropdown-item:hover {
    background: #333;
    color: #1ed760;
    outline: none;
}

.user-dropdown .dropdown-external {
    font-size: 14px;
    color: #b3b3b3;
    margin-left: 10px;
}

.user-dropdown .dropdown-divider {
    height: 1px;
    margin: 4px 0;
    background: #393939;
    border: none;
    pointer-events: none;
}

.user-dropdown .logout-btn {
    color: #fff;
    font-weight: 500;
    background: none;
    border: none;
    width: 100%;
    padding: 12px 22px;
    text-align: left;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.18s, color 0.18s;
}

.user-dropdown .logout-btn:hover {
    color: #fa3c3c;
    background: #333;
}

/* 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;
}

/* CSS WHEN TOGGLE UI BETWEEN HOME & DETAIL PANEL */
.content-bottom {
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;

    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.content-bottom.active {
    max-height: 999px;
    opacity: 1;
    visibility: visible;
    overflow: visible;
}

.hits-section,
.artists-section {
    display: block;
    transition: opacity 0.3s;
}

.hits-section.hidden,
.artists-section.hidden {
    display: none;
}

/* 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;
}

/* Context menu of "Recently Added */
.search-library {
    position: relative;
}

.recent-context-menu {
    display: none;
    position: absolute;
    top: 160px;
    left: 6px;

    min-width: 230px;
    background: var(--bg-active, #282828);
    border-radius: 8px;
    padding: 4px;

    list-style: none;
    font-size: 15px;
    z-index: 999;

    margin: 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.recent-context-menu.show {
    display: block;
}

.recent-context-menu .recent-menu-title {
    padding: 12px;
    font-weight: 700;
    font-size: 14px;
    color: #b3b3b3;
    cursor: default;
    background: transparent;
    border: none;
    letter-spacing: 0.01em;
    pointer-events: none;
}

.recent-context-menu .recent-menu-item {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 14px;
    border-radius: 2px;
    color: #fff;
    font: inherit;
    transition: background 0.16s, color 0.16s;
    cursor: pointer;
}

.recent-context-menu .recent-menu-item:hover,
.recent-context-menu .recent-menu-item:focus {
    background: #3e3e3e;
    color: #fff;
    outline: none;
}

.recent-context-menu .recent-menu-item.active,
.recent-context-menu .recent-menu-item.active:hover {
    color: #1ed760;
    font-weight: 500;
}

.recent-context-menu .recent-menu-check {
    color: #1ed760;
    font-size: 16px;
    margin-left: 8px;
    opacity: 1;
}

.recent-context-menu .recent-menu-item:not(.active) .recent-menu-check {
    opacity: 0;
}

.recent-context-menu .recent-divider {
    height: 1px;
    background: #393939;
    margin: 3px 0;
    border: none;
    pointer-events: none;
}

/* ========== VIEW AS ========== */
.recent-context-menu .recent-view-as-row {
    display: flex;
    gap: 8px;
    padding: 4px;
    border-radius: 6px;
    background: #1a1a1a;
    justify-content: space-between;
}

.recent-context-menu .recent-view-btn {
    width: 44px;
    height: 34px;
    background: transparent;
    border: none;
    color: #b3b3b3;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
    transition: background 0.16s, color 0.14s;
    margin: 0;
}

.recent-context-menu .recent-view-btn:hover,
.recent-context-menu .recent-view-btn:focus {
    color: #fff;
    outline: none;
}

.recent-context-menu .recent-view-btn.active {
    background: #3e3e3e;
    color: #fff;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Form Password Sign In */
.form-password {
    position: relative;
    display: flex;
    align-items: center;
}

.eye-icon {
    position: absolute;
    z-index: 2;
    top: 50%;
    right: 16px;
    transform: translateY(-50%);

    color: #b3b3b3;
    font-size: 16px;
    cursor: pointer;
}

.auth-error {
    display: none;
    margin-bottom: 48px;
    color: #f87171;
    font-size: 14px;
}

.auth-submit-btn:disabled {
    cursor: not-allowed;
    opacity: 0.4;
}

/* Toast message */
.toast-container {
    position: fixed;
    top: 5.5rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 9999;
}

.toast {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #2a2a2a;
    border-left: 5px solid;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    min-width: 280px;
    max-width: 360px;
    transition: all linear 0.3s;
}

.toast-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    font-size: 18px;
    flex-shrink: 0;
}

.toast-message {
    flex: 1;
    font-size: 18px;
    color: #fff;
    font-weight: 500;
}

.toast-close {
    background: none;
    border: none;
    font-size: 20px;
    color: #fff;
    cursor: pointer;
    margin-left: 16px;
    padding: 10px;
    transition: color 0.3s;
}

.toast-close:hover {
    color: #169c46;
}

/* Toast Types */
.toast-success {
    border-color: #169c46;
}

.toast-success .toast-icon {
    color: #169c46;
    font-size: 18px;
}

.toast-error {
    border-color: #f87171;
}

.toast-error .toast-icon {
    color: #f87171;
    font-size: 18px;
}

@keyframes slideIn {
    from {
        transform: translateX(calc(100% + 32px));
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* ===== Overlay (hiển thị/ẩn) ===== */
.playlist-form-overlay,
.edit-details-modal-overlay {
    inset: 0;
    display: none;
}

.playlist-form-overlay.show,
.edit-details-modal-overlay.show {
    display: flex;
}

/* ===== Nút/biểu tượng hover chung ===== */
.close-btn:hover,
.edit-details-close-btn:hover,
.action-icon:hover,
.search-close-btn:hover {
    color: #fff;
    cursor: pointer;
}

/* ===== Box chọn ảnh – gom class chung cover-image-box ===== */
.cover-title {
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}

.cover-image-box {
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    justify-content: center;
}

.cover-image-box i {
    font-size: 48px;
    transition: all 0.2s;
}
.cover-image-box i::before {
    font-family: 'Font Awesome 6 Free';
    content: '\f001'; /* fa-music */
}
.cover-image-box:hover i::before {
    content: '\f304'; /* fa-pen */
}

.cover-image-box:hover * {
    color: #fff;
    cursor: pointer;
}
.cover-image-box:hover .cover-title {
    opacity: 1;
    visibility: visible;
}

/* ===== Playlist Create Form ===== */
.playlist-form-overlay {
    position: absolute;
    z-index: 20;
    justify-content: center;
    align-items: flex-start;
    background: rgba(18, 18, 18, 0.98);
}

.playlist-form-container {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 48px 30px;
    display: flex;
    flex-direction: column;
    color: #fff;
    background: linear-gradient(to bottom, #535353 0%, #181818 300px);
    border-radius: 16px;
    box-shadow: 0 6px 32px rgba(0, 0, 0, 0.3);
}

.close-btn {
    position: absolute;
    z-index: 2;
    top: 20px;
    right: 30px;
    font-size: 2.2rem;
    color: #b3b3b3;
    cursor: pointer;
    transition: color 0.2s;
}

.playlist-header {
    display: flex;
    align-items: flex-end;
    gap: 20px;
    margin-bottom: 36px;
    min-height: 168px;
}

.playlist-form-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    height: 168px;
}

.image-upload-label {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
}

.playlist-cover-img {
    gap: 10px;
    width: 178px;
    height: 178px;
    border-radius: 8px;
    background: linear-gradient(to bottom, #211f1f 0%, #2a2828 300px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.playlist-cover-img i {
    margin-top: 20px;
    color: #b3b3b3;
}

.playlist-form-left {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 10px;
    height: 168px;
}

.playlist-title {
    font-size: 16px;
    margin-bottom: 2px;
    opacity: 0.9;
}

.playlist-heading {
    font-size: 72px;
    font-weight: 800;
    margin: 0 0 10px 0;
    line-height: 1.1;
    cursor: pointer;
}

.playlist-username {
    position: relative;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}
.playlist-username:hover {
    text-decoration: underline;
}
.playlist-username::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 6px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #b3b3b3;
}

.playlist-bottom {
    margin-top: 80px;
}

.playlist-actions-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 0 60px 0;
}
.playlist-actions-left {
    display: flex;
    gap: 20px;
}

.playlist-actions-right {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #b3b3b3;
    font-size: 1rem;
}

.action-icon {
    font-size: 1.6rem;
    color: #b3b3b3;
    cursor: pointer;
    transition: color 0.2s;
}

.compact-label {
    font-size: 1.05rem;
    opacity: 0.87;
    margin-right: 7px;
}

.playlist-divider {
    height: 1px;
    background: #535353;
}

.playlist-search-section {
    position: relative;
    margin-top: 10px;
}
.playlist-search-title {
    font-size: 24px;
    font-weight: 700;
    margin-top: 30px;
}

.playlist-search-box {
    margin-top: 25px;
    display: flex;
    align-items: center;
    background: #232323;
    border-radius: 6px;
    width: 380px;
    padding: 0 14px;
}
.playlist-search-input {
    flex: 1;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 16px;
    padding: 12px 0 12px 2px;
    outline: none;
}
.playlist-search-box i {
    font-size: 1.1rem;
    margin-right: 10px;
    color: #b3b3b3;
}

.search-close-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 0;
    background: none;
    border: none;
    color: #b3b3b3;
    font-size: 2.2rem;
    cursor: pointer;
    transition: color 0.2s;
}

/* ===== Edit Playlist Details Modal ===== */
.edit-details-modal-overlay {
    position: fixed;
    z-index: 99;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.72);
}

.edit-details-modal {
    background: #232323;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.44);
    min-width: 660px;
    min-height: 380px;
    position: relative;
    display: flex;
    flex-direction: column;
    max-width: 600px;
    width: 100%;
}

.edit-details-close-btn {
    position: absolute;
    top: 28px;
    right: 40px;
    font-size: 2rem;
    color: #b3b3b3;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1;
}

.edit-details-title {
    padding: 0 0 30px;
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -1px;
}

.edit-details-body {
    display: flex;
    gap: 20px;
    align-items: stretch;
    min-height: 202px;
}

.edit-details-cover-label {
    display: flex;
    align-items: flex-end;
    height: 100%;
}

.edit-details-cover-img {
    width: 202px;
    height: 202px;
    background: #191919;
    border-radius: 4px;
    color: #b3b3b3;
    cursor: pointer;
}
.edit-details-cover-img i {
    margin-top: 10px;
}

.detail-title {
    margin-top: 10px;
    font-size: 20px;
    transition: all 0.2s;
}

/* icon hover */
.edit-details-fields {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    flex: 1;
}

.edit-details-input {
    width: 100%;
    background: #181818;
    color: #fff;
    border-radius: 4px;
    padding: 16px 15px;
    font-size: 16px;
}

.edit-details-textarea {
    width: 100%;
    background: #181818;
    color: #b3b3b3;
    border: none;
    outline: none;
    border-radius: 4px;
    padding: 15px 18px;
    font-family: inherit;
    font-size: 16px;
    height: 135px;
    resize: none;
    margin-top: auto;
}

.edit-details-footer {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.edit-details-save-btn {
    background: #fff;
    color: #181818;
    font-weight: 700;
    font-size: 1.13rem;
    border: none;
    border-radius: 999px;
    padding: 16px 36px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    transition: background 0.18s, color 0.18s;
}
.edit-details-save-btn:hover {
    scale: 1.04;
    background: #f3f2f2;
}

.edit-details-notice {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-self: flex-start;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    opacity: 0.97;
    text-align: left;
}

.alert-message-wrapper {
    display: none;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;

    margin-bottom: 16px;
    padding: 10px 8px;
    border-radius: 4px;
    background: #f85858;
}

.alert-message-wrapper.show {
    display: flex;
}

.alert-message {
    font-size: 14px;
}

/* ==== SHARED CONTEXT MENU ==== */
.menu-context {
    min-width: 240px;
    background: var(--bg-active, #282828);
    border-radius: 4px;
    padding: 4px;
    list-style: none;
    font-size: 15px;
    z-index: 999;
    border: none;
    overflow: hidden;
    margin: 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.menu-context .menu-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    background: none;
    border: none;
    color: #fff;
    font: inherit;
    cursor: pointer;
    padding: 12px;
    border-radius: 2px;
    position: relative;
    transition: background 0.16s;
    margin: 0;
    box-sizing: border-box;
}

.menu-context .menu-item:hover,
.menu-context .menu-item:focus {
    background: #3e3e3e;
    outline: none;
}

.menu-context .menu-icon {
    display: inline-flex;
    width: 22px;
    justify-content: center;
    align-items: center;
    color: #b3b3b3;
    font-size: 16px;
    flex-shrink: 0;
    transition: color 0.18s;
}

.menu-context .menu-shortcut {
    margin-left: auto;
    color: #b3b3b3;
    font-size: 13px;
    display: flex;
    align-items: center;
}

.menu-context .divider {
    height: 1px;
    background: #393939;
    margin: 6px 0;
    border: none;
    pointer-events: none;
}

.menu-context .unfollow-icon {
    color: var(--accent-primary);
    font-size: 20px;
}

.menu-context .delete-icon {
    color: #f85252;
}

.sidebar-nav {
    position: relative;
}

.menu-context {
    position: absolute;
    display: none;
    z-index: 50;
}

.menu-context.show {
    display: block;
}

.sidebar.locked {
    overflow-y: hidden; /* chặn scroll trong sidebar */
}
/* ===== CSS for ITEM DISPLAY ON SIDEBAR LEFT ===== */
/* Compact-list */
.compact-item {
    gap: 10px;
}

.compact-title {
    font-size: 18px;
}

.compact-title .compact-subtitle {
    font-size: 15px;
}

.compact-subtitle::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #b3b3b3;
    margin: 0 2px;
    transform: translateY(1px);
}

/* Compact grid + Default grid */
.library-content.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.compact-grid {
    aspect-ratio: 1 / 1;
}

.compact-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 6px;
}

/* Grid default */
.default-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 12px;
    border-radius: 12px;
    background: #1f1f1f;
    transition: background 0.2s ease;
}

.default-grid:hover {
    background: #2a2a2a;
}

.thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.thumb--rounded {
    border-radius: 6px;
}

.thumb--circle {
    border-radius: 50%;
}

.thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Nút play hiện khi hover */
.grid-play-btn {
    position: absolute;
    right: 12px;
    bottom: 12px;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    background: #1fdf64;
    cursor: pointer;
}

.default-grid:hover .grid-play-btn {
    display: flex;
}

.grid-title {
    font-size: 16px;
}

.grid-subtitle {
    font-size: 14px;
}

.grid-subtitle .dot {
    margin: 0 6px;
    color: #b3b3b3;
}

.meta {
    width: 100%;
}

.grid-title,
.grid-subtitle {
    display: block;
    max-width: 100%;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

/* ===== Tooltip bubble ===== */
.app-tooltip {
    position: fixed;
    z-index: 9999;
    background: #2b2b2b;
    color: #fff;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transform: translate(-50%, 0) scale(0.98);
    transition: opacity 0.12s ease, transform 0.12s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.app-tooltip::after {
    content: '';
    position: absolute;
    left: var(--arrow-left, 50%); /* <- dùng biến, mặc định 50% */
    bottom: -6px;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #2b2b2b; /* mũi tên */
}

/* khi không đủ chỗ phía trên -> đặt tooltip xuống dưới và đảo mũi tên */
/* Khi thiếu chỗ phía trên -> đặt tooltip DƯỚI và đảo mũi tên */
.app-tooltip.bottom,
.app-tooltip.show {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
}