.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    -webkit-overflow-scrolling: touch;
    pointer-events: none;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.modal-overlay.closing {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.modal {
    background: var(--bg-modal);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 1200px;
    max-height: 90vh;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    will-change: transform, opacity;
    transform: scale(0.95) translateY(20px);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.25s ease;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.modal.dragging {
    cursor: grabbing;
    user-select: none;
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.modal-scroll-indicator {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(to right, var(--accent), var(--accent-light, rgba(232, 102, 138, 0.5)));
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s ease;
    z-index: 20;
    pointer-events: none;
}

.modal-scroll-indicator.visible {
    transform: scaleX(var(--scroll-progress, 0));
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: var(--bg-modal);
    z-index: 10;
}

.modal-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    margin-right: 16px;
}

.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    will-change: transform;
}

.modal-close:hover {
    background: var(--danger-light);
    color: var(--danger);
    transform: rotate(90deg);
}

.modal-close:active {
    transform: rotate(90deg) scale(0.95);
}

.modal-tabs {
    display: flex;
    gap: 6px;
    padding: 12px 20px 0;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    position: relative;
}

.modal-tabs::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color) 20%, var(--border-color) 80%, transparent);
}

.modal-tabs::-webkit-scrollbar {
    display: none;
}

.modal-tab {
    padding: 10px 18px;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 10px 10px 0 0;
    font-family: var(--font-sans);
    margin-bottom: -1px;
    white-space: nowrap;
    position: relative;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.01em;
}

.modal-tab::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 10px 10px 0 0;
    background: var(--bg-secondary);
    opacity: 0;
    transition: opacity 0.25s ease;
    z-index: -1;
}

.modal-tab::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover, var(--accent)));
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
    border-radius: 3px 3px 0 0;
    box-shadow: 0 -2px 8px rgba(var(--accent-rgb, 139, 92, 246), 0.4);
}

.modal-tab:hover {
    color: var(--text-primary);
    transform: translateY(-1px);
}

.modal-tab:hover::before {
    opacity: 1;
}

.modal-tab:active {
    transform: translateY(0);
}

.modal-tab.active {
    color: var(--accent);
    background: var(--bg-secondary);
    font-weight: 600;
    text-shadow: 0 0 20px rgba(var(--accent-rgb, 139, 92, 246), 0.3);
}

.modal-tab.active::before {
    opacity: 1;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
}

.modal-tab.active::after,
.modal-tab:hover::after {
    width: calc(100% - 16px);
}

.modal-body {
    padding: 24px;
    position: relative;
    -webkit-overflow-scrolling: touch;
}

.modal-page {
    display: none;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    will-change: opacity, transform;
}

.modal-page.active {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

.modal-page.slide-out {
    opacity: 0;
    transform: translateX(-20px);
}

/* ==================== Modal drag handle ==================== */

.modal.dragging .modal-body {
    pointer-events: none;
}

.modal-drag-handle {
    display: none;
    width: 40px;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    margin: 8px auto 0;
    cursor: grab;
}