/* 
 * Quantum Orbit - Style Sheet
 * Cyberpunk / Synthwave Theme
 */

:root {
    --bg-dark: #0a0813;
    --bg-card: rgba(15, 12, 30, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    
    /* Neon glow colors */
    --neon-cyan: #00f0ff;
    --neon-magenta: #ff0055;
    --neon-gold: #ffd700;
    --neon-orange: #ff5500;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --font-heading: 'Syncopate', sans-serif;
    --font-body: 'Outfit', sans-serif;
}

/* Base Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-dark);
    font-family: var(--font-body);
    color: var(--text-primary);
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

#app-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Canvas Styles */
#gameCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: block;
}

/* UI Layer Base */
.ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none; /* Let clicks pass to canvas unless specifically handled */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: env(safe-area-inset-top, 20px) env(safe-area-inset-right, 20px) env(safe-area-inset-bottom, 20px) env(safe-area-inset-left, 20px);
}

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

/* HUD layout */
#hud {
    justify-content: flex-start;
    align-items: stretch;
    height: auto;
    bottom: auto;
    pointer-events: none;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding-top: max(15px, env(safe-area-inset-top));
}

.hud-top {
    display: flex;
    flex: 1;
    justify-content: space-between;
    align-items: center;
    margin-right: 15px;
    gap: 10px;
}

.hud-score-container, .hud-power-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hud-power-container {
    align-items: flex-end;
}

.label {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    margin-bottom: 2px;
    font-family: var(--font-body);
}

.value {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* Multiplier and Combo Bar */
.hud-multiplier-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 0 1 120px;
    margin: 0 10px;
}

.multiplier-badge {
    font-size: 16px;
    font-weight: 800;
    color: var(--neon-cyan);
    text-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
    margin-bottom: 3px;
}

.combo-progress-bar, .power-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.power-bar {
    width: 90px;
    height: 10px;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--neon-cyan);
    box-shadow: 0 0 8px var(--neon-cyan);
    transition: width 0.1s linear;
}

.progress-fill.power {
    background: linear-gradient(90deg, var(--neon-magenta), var(--neon-gold));
    box-shadow: 0 0 8px var(--neon-magenta);
}

/* Overlay Container for Menus */
#overlay-container {
    background: rgba(4, 3, 8, 0.4);
    transition: background 0.3s ease;
}

/* Glassmorphic Screens */
.menu-screen {
    background: var(--bg-card);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border-radius: 20px;
    padding: 30px;
    width: 90%;
    max-width: 440px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    pointer-events: auto; /* Re-enable pointer events for menus */
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: absolute;
    z-index: 12;
    pointer-events: none;
}

.menu-screen.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    position: relative;
}

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

/* Game Title Stylings */
.title-container {
    margin-bottom: 25px;
}

.game-title {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.15);
}

.game-title .highlight {
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px rgba(255, 0, 85, 0.4));
}

.game-subtitle {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.55em;
    color: var(--text-secondary);
    margin-top: 5px;
    text-indent: 0.55em;
}

/* Button UI */
.menu-actions {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 25px;
}

.menu-actions.vertical {
    margin-bottom: 0;
}

.btn {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 14px 24px;
    border-radius: 30px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    outline: none;
    display: flex;
    justify-content: center;
    align-items: center;
    text-transform: uppercase;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-magenta) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 0, 85, 0.3);
}

.btn-primary:active {
    transform: scale(0.97);
    box-shadow: 0 2px 8px rgba(255, 0, 85, 0.2);
}

.btn-glow {
    animation: btnPulse 2s infinite alternate;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-secondary:active, .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
    background: rgba(255, 85, 0, 0.1);
    border: 1px solid rgba(255, 85, 0, 0.3);
    color: #ffaa80;
}

.btn-danger:active {
    background: rgba(255, 85, 0, 0.2);
}

.settings-row {
    display: flex;
    gap: 10px;
    width: 100%;
}

.settings-row .btn {
    padding: 10px 14px;
    font-size: 12px;
}

/* Icon Buttons (HUD Pause) */
.icon-button {
    background: rgba(15, 12, 30, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    pointer-events: auto;
    transition: all 0.2s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.icon-button:active {
    transform: scale(0.9);
    color: var(--neon-cyan);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

/* Instructions card */
.instructions-card {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: 16px;
    text-align: left;
    width: 100%;
    margin-bottom: 20px;
    font-size: 13px;
    line-height: 1.5;
}

.instructions-card h3 {
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-weight: 800;
    text-transform: uppercase;
}

.instructions-card ul {
    list-style-type: none;
}

.instructions-card li {
    margin-bottom: 8px;
    color: #d0d0e0;
    position: relative;
    padding-left: 14px;
}

.instructions-card li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--neon-cyan);
}

.control-key {
    font-weight: 800;
    color: var(--neon-cyan);
}

.danger-text {
    color: var(--neon-orange);
    font-weight: 600;
}

.spark-text {
    color: var(--neon-gold);
    font-weight: 600;
}

.supernova-text {
    background: linear-gradient(90deg, var(--neon-magenta), var(--neon-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

/* High Score display cards */
.high-score-card {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.high-score-card .value {
    font-size: 16px;
    color: var(--neon-cyan);
    font-weight: 800;
}

/* Pause and Game Over Custom Styles */
.screen-title {
    font-family: var(--font-heading);
    font-size: 20px;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.screen-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.danger-title {
    font-family: var(--font-heading);
    font-size: 28px;
    letter-spacing: 0.05em;
    color: var(--neon-magenta);
    text-shadow: 0 0 15px rgba(255, 0, 85, 0.4);
    animation: textFlicker 3s infinite alternate;
}

.danger-subtitle {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.35em;
    color: var(--neon-orange);
    margin-top: 4px;
    margin-bottom: 20px;
}

.stats-recap {
    width: 100%;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.stat-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 12px;
    margin-bottom: 6px;
}

.stat-box .score-val {
    font-size: 36px;
    color: var(--text-primary);
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.25);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-secondary);
}

.stat-val {
    font-weight: 700;
    color: var(--text-primary);
}

.high-score-banner {
    background: linear-gradient(90deg, rgba(255,215,0,0.1), rgba(255,0,85,0.1));
    border: 1px solid var(--neon-gold);
    color: var(--neon-gold);
    font-weight: 800;
    font-size: 13px;
    letter-spacing: 0.1em;
    padding: 8px 16px;
    border-radius: 20px;
    margin-bottom: 20px;
    width: 100%;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

/* Animations */
@keyframes btnPulse {
    0% {
        box-shadow: 0 4px 15px rgba(255, 0, 85, 0.3);
    }
    100% {
        box-shadow: 0 4px 25px rgba(0, 240, 255, 0.6);
    }
}

@keyframes textFlicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
        text-shadow: 0 0 15px rgba(255, 0, 85, 0.4);
        opacity: 1;
    }
    20%, 24%, 55% {
        text-shadow: none;
        opacity: 0.7;
    }
}

/* Landscape Mode Responsive Adjustments for Mobile */
@media (max-height: 480px) and (orientation: landscape) {
    .menu-screen {
        flex-direction: row;
        max-width: 600px;
        padding: 15px;
        gap: 15px;
        border-radius: 12px;
    }
    
    .title-container {
        margin-bottom: 0;
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .game-title {
        font-size: 22px;
    }
    
    .game-subtitle {
        font-size: 8px;
        letter-spacing: 0.4em;
    }
    
    .menu-actions {
        margin-bottom: 0;
        flex: 1.2;
        gap: 6px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 12px;
    }
    
    .settings-row {
        gap: 6px;
    }
    
    .instructions-card {
        display: none; /* Hide play instructions in landscape list to save screen space */
    }
    
    .high-score-card {
        margin-top: 5px;
        font-size: 11px;
    }
    
    .stats-recap {
        padding: 8px 12px;
        margin-bottom: 10px;
        gap: 4px;
        flex: 1.2;
    }
    
    .stat-box {
        padding-bottom: 4px;
        margin-bottom: 2px;
    }
    
    .stat-box .score-val {
        font-size: 22px;
    }
    
    .high-score-banner {
        padding: 4px 10px;
        margin-bottom: 10px;
        font-size: 11px;
    }
}