/* ===== iOS-STYLE MODALS ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    display: none;
    z-index: var(--z-modal);
    transition: backdrop-filter 0.3s ease, background 0.3s ease;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
}

.modal.show {
    display: flex;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal.show .modal-content {
    transform: translateY(0);
}

.modal-content {
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur-strong);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    border-radius: var(--radius-xxl) var(--radius-xxl) 0 0;
    padding: 0;
    width: 100%;
    max-width: 100vw;
    max-height: 95vh;
    box-shadow: 
        0 -10px 40px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid var(--glass-border);
    border-bottom: none;
    overflow: hidden;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1);
    position: relative;
    display: flex;
    flex-direction: column;
}

/* iOS-style modal handle indicator for regular modals */
.modal .modal-content::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 3px;
    z-index: 1;
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: var(--space-2xl);
    padding-top: calc(var(--space-2xl) + 16px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.modal-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.3px;
}

.modal-close {
    background: rgba(255, 255, 255, 0.25);
    border: none;
    color: white;
    font-size: var(--font-size-xl);
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: scale(1.1) rotate(90deg);
}

.modal-close:active {
    transform: scale(0.95);
}

.modal-body {
    padding: var(--space-2xl);
    max-height: calc(90vh - 180px);
    overflow-y: auto;
}

.modal-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

/* ===== MODAL TABS ===== */
.modal-tabs {
    display: flex;
    border-bottom: 2px solid rgba(0, 0, 0, 0.06);
    margin-bottom: var(--space-xl);
    gap: var(--space-sm);
}

.modal-tab {
    padding: var(--space-md) var(--space-xl);
    cursor: pointer;
    position: relative;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: all var(--transition-base);
}

.modal-tab:hover {
    background: rgba(229, 57, 53, 0.05);
    color: var(--text-primary);
}

.modal-tab.active {
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    background: rgba(229, 57, 53, 0.08);
}

.modal-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-xs) var(--radius-xs) 0 0;
}

.modal-tab-content {
    display: none;
    animation: fadeIn var(--transition-base);
}

.modal-tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Аккордеон "По разделам" */
.sections-accordion {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.accordion-item {
    border-bottom: 1px solid #eee;
    padding: 6px 0;
}

.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    gap: 12px;
}

.accordion-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.accordion-toggle {
    margin-left: auto;
}

.accordion-toggle i {
    transition: transform 0.2s ease;
}

.accordion-body {
    display: none;
    padding-top: 6px;
}

.accordion-body.open {
    display: block;
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-top: var(--space-sm);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

/* ===== TRACK MODALS (специализированные) ===== */
.track-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    display: none;
    z-index: var(--z-modal);
    transition: backdrop-filter 0.3s ease, background 0.3s ease;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
}

.track-modal.show {
    display: flex;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.track-modal .modal-content {
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur-strong);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    border-radius: var(--radius-xxl) var(--radius-xxl) 0 0;
    padding: 0;
    width: 100%;
    max-width: 100vw;
    max-height: 95vh;
    box-shadow: 
        0 -10px 40px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid var(--glass-border);
    border-bottom: none;
    overflow: hidden;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1);
    display: flex;
    flex-direction: column;
    position: relative;
}

.track-modal.show .modal-content {
    transform: translateY(0);
}

/* iOS-style modal handle indicator */
.track-modal .modal-content::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 5px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 3px;
    z-index: 1;
}

.track-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2xl);
    padding-top: calc(var(--space-2xl) + 16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    background: none;
    position: relative;
}

.track-modal .modal-header h3 {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    margin: 0;
    letter-spacing: -0.3px;
}

.track-modal .modal-close {
    min-width: 36px;
    min-height: 36px;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-primary);
    font-size: var(--font-size-base);
}

.track-modal .modal-close:hover {
    background: rgba(0, 0, 0, 0.12);
    transform: scale(1.1) rotate(90deg);
}

.track-modal .modal-close:active {
    transform: scale(0.95);
}

.track-modal .modal-body {
    padding: var(--space-2xl);
    overflow-y: auto;
    flex: 1;
}

/* Empty states */
.empty-favorites,
.empty-section {
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ===== TRACKS LIST IN MODALS ===== */
.tracks-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.track-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.track-item:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: translateX(4px);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 1);
    border-color: rgba(229, 57, 53, 0.2);
}

.track-item:active {
    transform: translateX(2px) scale(0.98);
}

.track-item-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex: 1;
    min-width: 0;
}

.track-item-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-base);
    box-shadow: 
        0 4px 12px rgba(229, 57, 53, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
}

.track-item:hover .track-item-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 
        0 6px 16px rgba(229, 57, 53, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.track-item-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color var(--transition-base);
}

.track-item:hover .track-item-name {
    color: var(--primary-color);
}

.track-item-actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex-shrink: 0;
}

.track-item-favorite,
.track-item-download {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border: none;
    background: rgba(0, 0, 0, 0.04);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-base);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.track-item-favorite:hover {
    background: rgba(229, 57, 53, 0.1);
    color: var(--primary-color);
    transform: scale(1.15);
    box-shadow: 0 4px 8px rgba(229, 57, 53, 0.2);
}

.track-item-favorite.active,
.track-item-favorite .fas {
    color: var(--primary-color);
}

.track-item-download:hover {
    background: rgba(76, 175, 80, 0.1);
    color: #4CAF50;
    transform: scale(1.15);
    box-shadow: 0 4px 8px rgba(76, 175, 80, 0.2);
}

.track-item-download.cached {
    background: rgba(76, 175, 80, 0.12);
    color: #4CAF50;
}

.track-item-download.cached:hover {
    background: rgba(229, 57, 53, 0.1);
    color: var(--primary-color);
}

.track-item-download.downloading {
    pointer-events: none;
    opacity: 0.6;
}

/* Active/selected track item */
.track-item.active {
    background: linear-gradient(
        135deg,
        rgba(229, 57, 53, 0.12),
        rgba(255, 82, 82, 0.08)
    );
    border-color: var(--primary-color);
    box-shadow: 
        0 4px 16px rgba(229, 57, 53, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.track-item.active .track-item-name {
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
}

/* ===== CURRENT SETTINGS (Save Combination Modal) ===== */
.current-settings {
    margin-top: var(--space-xl);
    padding: var(--space-xl);
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.current-settings h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.settings-preview {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.setting-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.setting-item:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateX(4px);
}

.setting-item i {
    width: 24px;
    min-width: 24px;
    font-size: var(--font-size-base);
    color: var(--primary-color);
    text-align: center;
}

.setting-item span {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

/* ===== COMBINATIONS LIST ===== */
.combinations-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.combination-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: all var(--transition-base);
    gap: var(--space-md);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.combination-item:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: translateX(4px);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 1);
    border-color: rgba(229, 57, 53, 0.2);
}

.combination-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    min-width: 0;
}

.combination-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.combination-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.combination-details span {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.combination-details i {
    width: 14px;
    min-width: 14px;
    font-size: var(--font-size-xs);
    color: var(--primary-color);
    text-align: center;
}

.combination-actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex-shrink: 0;
}

.combination-btn {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: var(--font-size-base);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.combination-btn.load-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.combination-btn.load-btn:hover {
    transform: scale(1.15);
    box-shadow: 
        0 4px 16px rgba(229, 57, 53, 0.3),
        var(--primary-glow);
}

.combination-btn.load-btn:active {
    transform: scale(1.05);
}

.combination-btn.delete-combination-btn {
    background: rgba(0, 0, 0, 0.06);
    color: var(--text-secondary);
}

.combination-btn.delete-combination-btn:hover {
    background: linear-gradient(135deg, #E53935, #EF5350);
    color: white;
    transform: scale(1.15);
    box-shadow: 0 4px 16px rgba(229, 57, 53, 0.4);
}

.combination-btn.delete-combination-btn:active {
    transform: scale(1.05);
}

/* Empty state */
.combinations-list:empty::after {
    content: 'Нет сохраненных комбинаций';
    display: block;
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .combination-item {
        flex-direction: column;
        align-items: stretch;
    }
    
    .combination-info {
        width: 100%;
    }
    
    .combination-actions {
        width: 100%;
        justify-content: center;
        padding-top: var(--space-sm);
        border-top: 1px solid rgba(0, 0, 0, 0.06);
    }
    
    .combination-btn {
        flex: 1;
        max-width: 120px;
    }
}