/* style.css - Lienzo Fractal (Cyberpunk Synthwave Generative Art Studio) */
:root {
    --color-bg: #090910;
    --color-surface: #131124;
    --color-surface-card: rgba(19, 17, 36, 0.85);
    --color-accent-pink: #ff007f;
    --color-accent-cyan: #00f0ff;
    --color-accent-green: #00ff88;
    --color-accent-purple: #b800e6;
    --color-text: #f8fafc;
    --color-text-muted: #94a3b8;
    --color-error: #f43f5e;
    --color-success: #10b981;
    --color-warning: #facc15;
    --color-glass: rgba(19, 17, 36, 0.88);
    --color-border: rgba(255, 0, 127, 0.3);
    --color-border-cyan: rgba(0, 240, 255, 0.3);
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 50% 15%, rgba(255, 0, 127, 0.12) 0%, var(--color-bg) 80%),
        linear-gradient(rgba(255, 0, 127, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 100% 100%, 32px 32px, 32px 32px;
}

.game-container-fluid {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hidden {
    display: none !important;
}

/* Screen Management */
.screen-container {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}

.screen {
    display: none !important;
    width: 100%;
    max-width: 960px;
}

.screen.hidden {
    display: none !important;
}

.screen.active {
    display: block !important;
    animation: fadeIn 0.4s ease-out;
}

.level-ui {
    display: none !important;
    width: 100%;
}

.level-ui.active {
    display: block !important;
    animation: slideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.level-ui.hidden {
    display: none !important;
}

/* Top HUD */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    background: var(--color-glass);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
    margin-top: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.hud-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.level-info {
    text-align: center;
    flex-grow: 1;
}

#level-title {
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-accent-pink);
    font-size: 1.05rem;
    font-family: 'JetBrains Mono', monospace;
    text-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
}

.progress-bar-container {
    width: 240px;
    height: 8px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 4px;
    margin: 6px auto 0;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-accent-pink) 0%, var(--color-accent-cyan) 100%);
    box-shadow: 0 0 12px var(--color-accent-pink);
    transition: width 0.3s ease;
}

.score-container {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: #facc15;
}

/* Cards & Panels */
.fractal-card {
    background: linear-gradient(135deg, rgba(25, 22, 48, 0.94) 0%, rgba(11, 10, 20, 0.98) 100%);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 0, 127, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 20px;
    padding: 2.2rem;
    box-shadow: 0 12px 45px rgba(0, 0, 0, 0.8), 0 0 30px rgba(255, 0, 127, 0.15);
    margin: auto;
    width: 100%;
}

.fractal-badge {
    display: inline-block;
    background: rgba(255, 0, 127, 0.15);
    border: 1px solid var(--color-accent-pink);
    color: var(--color-accent-pink);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 0.8rem;
    box-shadow: 0 0 10px rgba(255, 0, 127, 0.2);
}

.fractal-title {
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 800;
    color: #fff;
    text-shadow: 0 0 25px rgba(255, 0, 127, 0.6);
    margin: 0.4rem 0 0.8rem 0;
    letter-spacing: 1px;
}

.subtitle {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
    max-width: 720px;
    margin: 0 auto 1.5rem auto;
}

.controls-legend-box {
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 0, 127, 0.25);
    border-radius: 14px;
    padding: 1.4rem 1.6rem;
    line-height: 1.7;
    font-size: 0.95rem;
}

.legend-step {
    margin-bottom: 6px;
    padding-left: 4px;
}

.start-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Button UI System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    gap: 8px;
    user-select: none;
}

.btn:active {
    transform: scale(0.96);
}

.fractal-btn {
    background: linear-gradient(135deg, var(--color-accent-pink) 0%, var(--color-accent-purple) 100%);
    color: #fff;
    box-shadow: 0 0 18px rgba(255, 0, 127, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.fractal-btn:hover {
    box-shadow: 0 0 28px rgba(255, 0, 127, 0.8);
    transform: translateY(-2px);
    color: #fff;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 0, 127, 0.4);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
    border-radius: 6px;
}

.w-100 {
    width: 100%;
}

/* In-game concept */
.in-game-concept-box {
    background: rgba(25, 22, 48, 0.88);
    border-left: 4px solid var(--color-accent-pink);
    padding: 12px 18px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.concept-icon {
    font-size: 1.4rem;
}

/* Mandelbrot Workspace */
.mandelbrot-workspace {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 1rem auto;
}

.canvas-display-box {
    position: relative;
    background: #000;
    padding: 8px;
    border-radius: 16px;
    border: 2px solid rgba(255, 0, 127, 0.35);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.8), 0 0 20px rgba(255, 0, 127, 0.15);
}

.canvas-display-box canvas {
    border-radius: 10px;
    display: block;
}

.canvas-hud-overlay {
    display: flex;
    justify-content: space-between;
    padding: 6px 10px 2px 10px;
    font-size: 0.82rem;
    color: var(--color-accent-cyan);
}

/* Toolbar & Palette Selectors */
.palette-toolbar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.toolbar-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-muted);
}

.palette-btn {
    background: rgba(25, 22, 48, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--color-text);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.palette-btn:hover {
    border-color: var(--color-accent-pink);
    transform: translateY(-1px);
}

.palette-btn.active {
    background: rgba(255, 0, 127, 0.25);
    border-color: var(--color-accent-pink);
    color: #fff;
    box-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
}

/* Dual Workstation Layout (Level 2 & 3) */
.dual-workstation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 1.2rem auto;
    max-width: 680px;
}

@media (max-width: 600px) {
    .dual-workstation-grid {
        grid-template-columns: 1fr;
    }
}

.workstation-card {
    background: rgba(25, 22, 48, 0.8);
    border: 1px solid rgba(255, 0, 127, 0.3);
    border-radius: 16px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.workstation-card canvas {
    background: #000;
    border-radius: 10px;
    display: block;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.8);
}

.card-header-badge {
    background: rgba(255, 0, 127, 0.15);
    border: 1px solid var(--color-accent-pink);
    color: var(--color-accent-pink);
    font-size: 0.8rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    padding: 3px 10px;
    border-radius: 12px;
    margin-bottom: 8px;
}

/* Similarity Gauge */
.similarity-gauge-box {
    max-width: 580px;
    margin: 1rem auto;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 10px 16px;
}

.gauge-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.gauge-bar-bg {
    width: 100%;
    height: 10px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.gauge-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #f43f5e 0%, #facc15 50%, #10b981 100%);
    transition: width 0.2s ease;
}

/* Controls Panel */
.controls-panel-card {
    background: rgba(25, 22, 48, 0.75);
    border: 1px solid rgba(255, 0, 127, 0.2);
    border-radius: 16px;
    padding: 1.4rem;
    max-width: 580px;
    margin: 1rem auto;
}

.presets-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
}

.preset-pill-btn {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 240, 255, 0.3);
    color: var(--color-accent-cyan);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.preset-pill-btn:hover {
    background: rgba(0, 240, 255, 0.2);
    border-color: var(--color-accent-cyan);
    transform: translateY(-1px);
}

/* Sliders */
.slider-group {
    text-align: left;
}

.slider-header-flex {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.slider-group input[type=range] {
    width: 100%;
    accent-color: var(--color-accent-pink);
    cursor: pointer;
}

/* Scenario Question Cards (Level 4 & 5) */
.scenario-details-card {
    background: rgba(25, 22, 48, 0.85);
    border: 1px solid rgba(255, 0, 127, 0.25);
    border-radius: 16px;
    padding: 1.8rem;
    max-width: 650px;
    margin: 1.2rem auto;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

.format-choices {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-top: 1rem;
}

.format-btn {
    background: rgba(25, 22, 48, 0.9);
    border: 1px solid rgba(255, 0, 127, 0.35);
    color: #fff;
    padding: 14px 12px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.format-btn:hover:not(:disabled) {
    border-color: var(--color-accent-pink);
    background: rgba(255, 0, 127, 0.2);
    box-shadow: 0 0 15px rgba(255, 0, 127, 0.5);
    transform: translateY(-2px);
}

.format-btn.btn-correct {
    border-color: var(--color-success) !important;
    background: rgba(16, 185, 129, 0.25) !important;
    color: #34d399 !important;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4) !important;
}

.format-btn.btn-wrong {
    border-color: var(--color-error) !important;
    background: rgba(244, 63, 94, 0.25) !important;
    color: #fb7185 !important;
    box-shadow: 0 0 15px rgba(244, 63, 94, 0.4) !important;
}

/* Feedback */
.feedback {
    margin-top: 1.2rem;
    padding: 12px 18px;
    border-radius: 8px;
    font-weight: 600;
    min-height: 24px;
    font-size: 0.95rem;
    display: none;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.feedback.correct {
    display: block;
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--color-success);
    color: #34d399;
}

.feedback.wrong {
    display: block;
    background: rgba(244, 63, 94, 0.2);
    border: 1px solid var(--color-error);
    color: #fb7185;
}

/* End Screen */
.final-score-box {
    font-size: 1.8rem;
    font-weight: 800;
    color: #facc15;
    margin: 1.2rem 0;
    text-shadow: 0 0 15px rgba(250, 204, 21, 0.5);
}

.results-box {
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 0, 127, 0.25);
    border-radius: 14px;
    padding: 1.6rem;
}

.learning-summary {
    line-height: 1.8;
    padding-left: 1.2rem;
    color: var(--color-text);
}

.learning-summary li {
    margin-bottom: 0.6rem;
}

/* Modal Overlay */
.how-to-play-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.how-to-play-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.how-to-play-modal {
    background: linear-gradient(135deg, #18152e 0%, #0d0c18 100%);
    border: 1px solid var(--color-accent-pink);
    border-radius: 18px;
    padding: 2rem;
    max-width: 600px;
    width: 100%;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 30px rgba(255, 0, 127, 0.3);
}

.modal-close-btn {
    position: absolute;
    top: 14px; right: 18px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.8rem;
    cursor: pointer;
}

.visual-example-box {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 12px 16px;
    margin: 12px 0;
    text-align: left;
}

.visual-example-box h4 {
    margin-bottom: 4px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.pulse-anim {
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 15px rgba(255, 0, 127, 0.4); }
    50% { box-shadow: 0 0 30px rgba(255, 0, 127, 0.85); }
    100% { box-shadow: 0 0 15px rgba(255, 0, 127, 0.4); }
}