:root {
    --bg-dark: #0f1115;
    --bg-card: rgba(26, 30, 36, 0.6);
    --bg-card-hover: rgba(35, 40, 48, 0.8);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #f0f4f8;
    --text-muted: #9aa3af;
    --accent-blue: #3b82f6;
    --accent-neon: #00ffc2;
    --accent-error: #ff416c;
    --glass-blur: 16px;
    --radius-lg: 16px;
    --radius-md: 12px;
}

.hidden {
    display: none !important;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'InterVariable', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(255, 65, 108, 0.05) 0%, transparent 50%);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

.app-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 2rem 4rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    padding-top: 2rem;
}

.header-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 12px;
}

.logo-icon {
    font-size: 2rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Drop Zone */
.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    padding: 4rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.drop-zone.dragover {
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
    transform: scale(1.02);
}

.drop-content svg {
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.drop-content p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.btn {
    background: var(--accent-blue);
    color: #fff;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

button {
    font-family: 'InterVariable', -apple-system, BlinkMacSystemFont, sans-serif;
}

.btn:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

/* Toggle Switch */
.drop-settings {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.toggle-switch {
    display: flex;
    align-items: center;
    cursor: pointer;
    gap: 12px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider.round {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    transition: .3s;
}

.slider.round:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-muted);
    border-radius: 50%;
    transition: .3s;
}

input:checked+.slider.round {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
}

input:checked+.slider.round:before {
    transform: translateX(20px);
    background-color: #fff;
}

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

input:checked~.label-text {
    color: var(--accent-neon);
}

/* Loading State */
#loading {
    text-align: center;
    padding: 4rem 0;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-neon);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.progress-bar-container {
    width: 100%;
    max-width: 400px;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    margin: 1rem auto;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-neon));
    transition: width 0.3s ease;
}

/* Global Floating Controls */

.global-controls {
    position: sticky;
    top: 1rem;
    z-index: 100;
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.global-controls-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.global-controls-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.global-axes-wrapper {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.global-axes-wrapper .slider-group {
    flex: 1;
    min-width: 200px;
    margin-bottom: 0;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* Results Section */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.results-header-text {
    flex: 1;
}

.results-header h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.view-controls {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

#view-mode-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    background: var(--bg-card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") no-repeat right 1rem center;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 8px;
    font-size: 0.95rem;
    cursor: pointer;
    backdrop-filter: blur(var(--glass-blur));
}

#view-mode-select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(224px, 1fr));
    gap: 1.5rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-5px);
    border-color: rgba(255, 65, 108, 0.3);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4), 0 0 15px rgba(255, 65, 108, 0.1);
}

.card-title {
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    margin-top: 0.3rem;
    text-align: center;
    word-break: break-all;
}

strong {
    font-weight: 600;
}

.card-canvas-container {
    width: 100%;
    height: 150px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}

.score-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 65, 108, 0.15);
    color: var(--accent-error);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(255, 65, 108, 0.3);
}

.card-meta {
    width: 100%;
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: auto;
    flex-direction: column;
}

.card-meta strong {
    color: var(--text-main);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}

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

.modal-content {
    background: #14171c;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 1000px;
    height: 85vh;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
    z-index: 10;
}

.close-btn:hover {
    color: #fff;
}

.modal-header {
    padding: 2rem 2rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.modal-header h2 {
    font-size: 2rem;
    margin: 0;
}

.badge {
    background: rgba(255, 65, 108, 0.15);
    color: var(--accent-error);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(255, 65, 108, 0.3);
}

.modal-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.canvas-container {
    flex: 1;
    background: #0a0c0f;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    border-right: 1px solid var(--border-color);
    overflow: hidden;
}

/* Detail canvas needs to be responsive */
#detail-canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.controls-panel {
    width: 350px;
    padding: 2rem;
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.02);
}

.controls-panel h3 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    color: var(--text-main);
}

/* Sliders */
.slider-group {
    margin-bottom: 1.5rem;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.slider-label {
    font-weight: 600;
    color: var(--text-main);
}

.slider-value {
    color: var(--text-muted);
    font-family: monospace;
}

input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
}

input[type=range]:focus {
    outline: none;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 6px;
    cursor: pointer;
    background: var(--border-color);
    border-radius: 3px;
}

input[type=range]::-webkit-slider-thumb {
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: var(--accent-blue);
    cursor: pointer;
    margin-top: -5px;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
    transition: transform 0.1s;
}

input[type=range]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Stats */
.bug-stats {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-box {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.drop-zone {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    font-family: monospace;
}

.helper-text {
    margin-top: 2rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    .modal-body {
        flex-direction: column;
    }

    .canvas-container {
        height: 50vh;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .controls-panel {
        width: 100%;
        height: 50vh;
    }
}