* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    /* Current */
    --primary: #9333ea;
    --secondary: #ec4899;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #0f172a;
    --darker: #020617;
    --light: #f8fafc;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text: #e2e8f0;
    --text-dim: #94a3b8;
    --gold: #fbbf24;
    --silver: #cbd5e1;

    /* Scrollbar Colors */
    --scrollbar-main-track: linear-gradient(135deg, var(--darker) 0%, var(--dark) 50%, #1e1b4b 100%);
    --scrollbar-main-thumb: linear-gradient(135deg, rgba(147, 51, 234, 0.8), rgba(236, 72, 153, 0.8));
    --scrollbar-main-thumb-hover: linear-gradient(135deg, var(--gold), rgba(255, 215, 0, 0.8));
    --scrollbar-glass-track: rgba(255, 255, 255, 0.03);
    --scrollbar-glass-thumb: rgba(255, 255, 255, 0.15);
    --scrollbar-glass-thumb-hover: rgba(147, 51, 234, 0.4);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 50%, #1e1b4b 100%);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
}

/* Animated Starfield */
#starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    animation: twinkle 3s infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

/* Layout */
.container {
    position: relative;
    z-index: 1;
    max-width: 1500px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: 300px 1fr 400px;
    gap: 20px;
    min-height: calc(100vh - 80px);
    box-sizing: border-box;
}

/* Header */
.header {
    grid-column: 1 / -1;
    text-align: center;
    padding: 20px 0;
}

.title {
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: bold;
    background-clip: text;
    -webkit-text-fill-color: gold;
    margin-bottom: 10px;
    text-shadow: 
        0 0 10px rgba(255, 215, 0, 0.8),
        0 0 20px rgba(255, 215, 0, 0.6),
        0 0 30px rgba(255, 215, 0, 0.4),
        3px 3px 6px rgba(0,0,0,0.7);
    text-align: center;
    letter-spacing: 2px;
}

.subtitle {
    color: var(--text-dim);
    font-size: 1.1rem;
}

/* Panels */
.panel {
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    height: fit-content;
    max-height: calc(100vh - 200px);
    width: 100%;
    justify-self: center;
    overflow-y: auto;
    box-sizing: border-box;
}

.effects-panel {
    max-width: 35rem;
}

.below-hint {
    position: fixed;
    bottom: 0;
    left: 0.5rem;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9em;
    text-align: right;
    pointer-events: none;
    z-index: 10099999;
}

.below-hint>i>a {
    color: rgba(255, 197, 197, 0.5);
    pointer-events:all;
}

.panel-header {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--glass-border);
}

.panel-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
}

/* Characters Panel */
.characters-panel {
    width: 35vh;
}

.character-list {
    max-height: 54vh;
    min-height: 200px;
    overflow-y: auto;
}

.character-item {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 10px;
    margin-right: 1vh;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.character-item:hover {
    border-color: var(--primary);
    background: rgba(147, 51, 234, 0.15);
    box-shadow: 0 4px 12px rgba(147, 51, 234, 0.3);
}

.character-item.active {
    background: rgba(147, 51, 234, 0.1);
    border-color: var(--primary);
}

.character-name {
    font-weight: 600;
    margin-bottom: 5px;
}

.character-stats {
    font-size: 0.9rem;
    color: var(--text-dim);
}

.character-delete {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--danger);
    border: none;
    border-radius: 4px;
    width: 24px;
    height: 24px;
    color: white;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.character-confirm {
    position: absolute;
    top: 10px;
    right: 38px;
    background: var(--success);
    border: none;
    border-radius: 4px;
    width: 24px;
    height: 24px;
    color: white;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transform: scale(0.8);
}

.character-item:hover .character-delete {
    opacity: 1;
}

.character-item.delete-mode .character-confirm {
    opacity: 1;
    transform: scale(1);
}

.character-item.delete-mode .character-delete {
    opacity: 1;
}

/* Spinner Section */
.spinner-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 500px;
    position: relative;
    overflow: visible;
    padding: 20px;
    box-sizing: border-box;
}

.spinner-container {
    position: relative;
    width: 500px;
    height: 500px;
    max-width: 100%;
    margin: 20px auto;
}

@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
        min-height: calc(100vh - 60px);
    }

    .panel {
        max-width: 100%;
        width: 100%;
        max-height: none;
    }

    .character-list {
        max-height: 200px;
    }

    .effects-list {
        max-height: 300px;
    }

    .spinner-container {
        width: 300px;
        height: 300px;
        margin: 10px auto;
    }

    .duration-spinner-container {
        bottom: -20px;
        right: -20px;
        width: 120px;
        height: 120px;
    }

    .controls {
        flex-direction: column;
        gap: 10px;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    /* Mobile duration controls adjustments */
    .duration-control {
        gap: 4px;
    }

    .duration-btn {
        width: 28px;
        height: 28px;
    }

    .duration-unit {
        font-size: 0.8rem;
        padding: 1px 4px;
    }
}

.spinner-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, var(--glass), transparent);
    box-shadow: 0 0 100px rgba(147, 51, 234, 0.3);
    overflow: visible;
    cursor: grab;
    contain: layout style paint;
}

.spinner-wrapper:active {
    cursor: grabbing;
}

.spinner {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    transition: transform 4s cubic-bezier(0.17, 0.67, 0.16, 0.99);
}

.spinner-segments {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.spinner-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--darker);
    border: 3px solid var(--gold);
    border-radius: 50%;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--gold);
}

.spinner-pointer {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 40px solid var(--gold);
    z-index: 20;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.5));
}

/* Duration Spinner */
.duration-spinner-container {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 180px;
    height: 180px;
    opacity: 0;
    transform: scale(0.7);
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 50;
}

.duration-spinner-container.active {
    opacity: 1;
    transform: scale(1);
}

/* Controls */
.controls {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 30px;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: linear-gradient(135deg, var(--accent), var(--success));
    color: white;
}

.btn-accent {
    background: #14b8a6;
    color: white;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-accent::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-accent:hover::before {
    left: 100%;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--glass-border);
    color: var(--text);
}

.btn:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.btn:not(:disabled):active {
    transform: translateY(0);
}

/* Effects Panel */
.effects-list {
    max-height: calc(100vh - 340px);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 5px;
}

.effect-item {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.effect-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.effect-number {
    font-weight: bold;
    color: var(--gold);
    font-size: 1.1rem;
}

.effect-category {
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.effect-category.buff { 
    background: rgba(16, 185, 129, 0.2); 
    color: var(--success); 
}

.effect-category.debuff { 
    background: rgba(239, 68, 68, 0.2); 
    color: var(--danger); 
}

.effect-category.neutral { 
    background: rgba(148, 163, 184, 0.2); 
    color: var(--text-dim); 
}

.effect-text {
    margin: 10px 0;
    line-height: 1.5;
}

.effect-condition {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.1), rgba(147, 51, 234, 0.1));
    border-left: 3px solid var(--secondary);
    padding: 10px;
    margin: 10px 0;
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--text);
}

.effect-duration {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding: 8px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    min-height: 36px;
}

.duration-control {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    justify-content: flex-start;
    flex-wrap: nowrap;
}

.duration-btn {
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s;
    flex-shrink: 0;
}

.duration-btn:hover {
    transform: scale(1.1);
}

.duration-value {
    min-width: 30px;
    text-align: center;
    font-weight: bold;
    color: var(--gold);
    flex-shrink: 0;
}

.duration-unit {
    padding: 2px 6px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    color: var(--text);
    font-size: 0.85rem;
    min-width: 70px;
    max-width: 80px;
    flex-shrink: 0;
}

.effect-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.effect-action-btn {
    padding: 5px 10px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: var(--text-dim);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

.effect-action-btn.remove {
    border-color: rgba(239, 68, 68, 0.3);
}

.effect-action-btn.remove:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

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

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--darker);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1001;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
}

.modal.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    pointer-events: all;
}

.modal-header {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: var(--text);
}

.modal-body {
    margin: 20px 0;
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* Result Display */
.result-modal {
    text-align: center;
}

/* Import Modal Styles */
.import-summary {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.import-info-box {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 15px;
    backdrop-filter: blur(10px);
}

.import-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.import-stat-label {
    color: var(--text-dim);
    font-size: 0.95rem;
}

.import-stat-value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--gold);
}

.import-character-list {
    max-height: 200px;
    overflow-y: auto;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 12px;
}

.import-character-item {
    padding: 6px 8px;
    margin-bottom: 4px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.import-character-name {
    color: var(--text);
    font-size: 0.95rem;
}

.import-character-effects {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.import-warning {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.1), rgba(147, 51, 234, 0.1));
    border-left: 3px solid var(--primary);
    border-radius: 6px;
    padding: 12px;
}

.import-option-description {
    color: var(--text);
    font-size: 0.9rem;
    line-height: 1.6;
}

.import-option-description strong {
    color: var(--gold);
    display: inline-block;
    margin-right: 4px;
}

.result-number {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--gold), var(--silver));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.result-effect {
    font-size: 1.3rem;
    line-height: 1.6;
    padding: 20px;
    background: var(--glass);
    border-radius: 12px;
    margin: 20px 0;
}

/* Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dim);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-input {
    width: 100%;
    padding: 10px 15px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(147, 51, 234, 0.1);
}

/* Zoom Controls */
.zoom-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 100;
}

.zoom-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text);
    font-size: 1.3rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.zoom-btn:hover {
    transform: scale(1.1);
    border-color: var(--primary);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    gap: 10px;
}

@media (max-width: 768px) {
    .mobile-menu {
        display: flex;
    }
}

.mobile-menu-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Loading Spinner */
.loading {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--darker);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 15px 25px;
    color: var(--text);
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    pointer-events: all;
}

.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }
.toast.warning { border-color: var(--warning); }

/* Main Page Scrollbar Styling */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-main-track);
    border-radius: 6px;
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.5);
    position: relative;
}

::-webkit-scrollbar-track::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(1px 1px at 20% 30%, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(1px 1px at 40% 70%, rgba(255, 255, 255, 0.1), transparent),
        radial-gradient(1px 1px at 90% 40%, rgba(255, 255, 255, 0.15), transparent);
    border-radius: 6px;
    pointer-events: none;
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-main-thumb);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 2px 4px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-main-thumb-hover);
    box-shadow:
        0 0 12px rgba(255, 215, 0, 0.5),
        0 2px 4px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

::-webkit-scrollbar-corner {
    background: var(--scrollbar-main-track);
}

/* Panel Glass Scrollbar Styling */
.panel ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.panel ::-webkit-scrollbar-track {
    background: var(--scrollbar-glass-track);
    border-radius: 6px;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.2);
}

.panel ::-webkit-scrollbar-thumb {
    background: var(--scrollbar-glass-thumb);
    border-radius: 6px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        inset 0 -1px 0 rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.panel ::-webkit-scrollbar-thumb::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.1) 0%,
        transparent 50%,
        rgba(255, 255, 255, 0.05) 100%
    );
    border-radius: 6px;
    pointer-events: none;
}

.panel ::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-glass-thumb-hover);
    box-shadow:
        0 0 8px rgba(147, 51, 234, 0.3),
        0 1px 2px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(0, 0, 0, 0.1);
    transform: scaleX(1.2);
}

.panel ::-webkit-scrollbar-thumb:active {
    background: rgba(147, 51, 234, 0.6);
    transform: scaleX(1.1);
}

.panel ::-webkit-scrollbar-corner {
    background: var(--scrollbar-glass-track);
    backdrop-filter: blur(4px);
}

/* Specific panel scrollbar enhancements */
.character-list::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.2), rgba(236, 72, 153, 0.2));
}

.effects-list::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(16, 185, 129, 0.2));
}

.character-list::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.4), rgba(236, 72, 153, 0.4));
}

.effects-list::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.4), rgba(16, 185, 129, 0.4));
}

/* Mobile scrollbar adjustments */
@media (max-width: 768px) {
    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }

    .panel ::-webkit-scrollbar {
        width: 6px;
        height: 6px;
    }

    .panel ::-webkit-scrollbar-thumb:hover {
        transform: scaleX(1.1);
    }
}

/* Firefox scrollbar support */
html {
    scrollbar-width: thin;
    scrollbar-color: rgba(147, 51, 234, 0.8) rgba(15, 23, 42, 0.9);
}

.panel {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.15) rgba(255, 255, 255, 0.03);
}

/* Enhanced animations for scrollbar interactions */
@keyframes scrollbarGlow {
    0% {
        box-shadow: 0 0 5px rgba(255, 215, 0, 0.3);
    }
    50% {
        box-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
    }
    100% {
        box-shadow: 0 0 5px rgba(255, 215, 0, 0.3);
    }
}

::-webkit-scrollbar-thumb:hover {
    animation: scrollbarGlow 2s ease-in-out infinite;
}

@keyframes glassShimmer {
    0% {
        background-position: -100% 0;
    }
    100% {
        background-position: 100% 0;
    }
}

.panel ::-webkit-scrollbar-thumb:hover::before {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: glassShimmer 1.5s ease-in-out infinite;
}

/* File Selector */
.file-selector {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 50;
}

/* Custom Dropdown Styles */
.custom-dropdown {
    position: relative;
    min-width: 140px;
}

.dropdown-selected {
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    padding: 6px 12px;
    cursor: pointer;
    color: var(--text);
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.dropdown-selected:hover {
    border-color: var(--primary);
    background: rgba(147, 51, 234, 0.15);
    box-shadow: 0 2px 8px rgba(147, 51, 234, 0.3);
}

.dropdown-arrow {
    font-size: 0.7rem;
    color: var(--text-dim);
    transition: transform 0.3s, color 0.3s;
}

.dropdown-selected:hover .dropdown-arrow {
    color: var(--primary);
}

.custom-dropdown.open .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-options {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 100;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.custom-dropdown.open .dropdown-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-option {
    padding: 8px 12px;
    cursor: pointer;
    color: var(--text);
    font-size: 0.9rem;
    transition: all 0.2s;
    background: rgba(255, 255, 255, 0.02);
}

.dropdown-option:hover {
    background: rgba(147, 51, 234, 0.2);
    color: var(--text);
    padding-left: 16px;
}

.dropdown-option.selected {
    background: rgba(147, 51, 234, 0.15);
    border-left: 3px solid var(--primary);
}

/* SVG Spinner Styles */
#spinnerSVG, #durationSVG {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: visible;
}

#spinnerSVG {
    will-change: transform;
}

#durationSVG {
    will-change: transform;
}

/* Performance optimizations */
.will-change-transform {
    will-change: transform;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Mobile device optimizations */
.mobile-device .spinner-container {
    touch-action: manipulation;
}

.mobile-device .effect-item {
    font-size: 0.9rem;
}

.mobile-device .duration-control {
    gap: 6px;
}

.mobile-device .duration-btn {
    width: 32px;
    height: 32px;
    font-size: 1.1rem;
}

/* Zoom display styling */
#zoomDisplay {
    transition: opacity 0.3s ease;
}

/* Segment highlighting */
path[data-segment]:hover {
    filter: brightness(1.2);
    transition: filter 0.2s ease;
}

/* Loading improvements */
.loading {
    backdrop-filter: blur(5px);
    background: rgba(0, 0, 0, 0.5);
}

/* Enhanced spinner styling */
#spinnerSVG path {
    transition: fill-opacity 0.2s ease;
}

#durationSVG path {
    transition: fill-opacity 0.2s ease;
}

/* Performance mode indicator */
.performance-mode .panel {
    opacity: 0.95;
}

.performance-mode #segments path:nth-child(odd) {
    display: none;
}