/* ================================================
   Love Arcade Shooter - Main Stylesheet
   Mobile-First, Responsive Design
   ================================================ */

:root {
    /* Color Palette */
    --la-shooter-bg-primary: #0a0e27;
    --la-shooter-bg-secondary: #1a1f3a;
    --la-shooter-accent-primary: #00d4ff;
    --la-shooter-accent-secondary: #ff006e;
    --la-shooter-text-primary: #ffffff;
    --la-shooter-text-secondary: #a8b2d1;
    --la-shooter-success: #00ff88;
    --la-shooter-warning: #ffaa00;
    --la-shooter-danger: #ff3366;
    
    /* Spacing */
    --la-shooter-spacing-xs: 0.25rem;
    --la-shooter-spacing-sm: 0.5rem;
    --la-shooter-spacing-md: 1rem;
    --la-shooter-spacing-lg: 1.5rem;
    --la-shooter-spacing-xl: 2rem;
    
    /* Typography */
    --la-shooter-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --la-shooter-font-size-sm: 0.875rem;
    --la-shooter-font-size-md: 1rem;
    --la-shooter-font-size-lg: 1.25rem;
    --la-shooter-font-size-xl: 1.75rem;
    
    /* Effects */
    --la-shooter-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --la-shooter-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --la-shooter-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --la-shooter-glow-primary: 0 0 20px rgba(0, 212, 255, 0.5);
    --la-shooter-glow-secondary: 0 0 20px rgba(255, 0, 110, 0.5);
    
    /* Z-Index Layers */
    --la-shooter-z-canvas: 1;
    --la-shooter-z-hud: 10;
    --la-shooter-z-controls: 20;
    --la-shooter-z-overlay: 30;
    --la-shooter-z-exit: 40;
}

/* ================================================
   Reset & Base Styles
   ================================================ */

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--la-shooter-font-family);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

body {
    background: var(--la-shooter-bg-primary);
    color: var(--la-shooter-text-primary);
}

/* ================================================
   Main Container
   ================================================ */

.la-shooter-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: radial-gradient(ellipse at center, #1a1f3a 0%, #0a0e27 100%);
}

/* ================================================
   Canvas
   ================================================ */

#la-shooter-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--la-shooter-z-canvas);
    display: block;
}

/* ================================================
   Exit Button
   ================================================ */

.la-shooter-btn-exit {
    position: absolute;
    top: max(env(safe-area-inset-top), var(--la-shooter-spacing-md));
    right: var(--la-shooter-spacing-md);
    z-index: var(--la-shooter-z-exit);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26, 31, 58, 0.9);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--la-shooter-text-primary);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
    box-shadow: var(--la-shooter-shadow-md);
}

.la-shooter-btn-exit:hover,
.la-shooter-btn-exit:active {
    background: rgba(255, 51, 102, 0.9);
    border-color: var(--la-shooter-danger);
    transform: scale(1.05);
    box-shadow: var(--la-shooter-glow-secondary);
}

/* ================================================
   HUD (Heads-Up Display)
   ================================================ */

.la-shooter-hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--la-shooter-z-hud);
    pointer-events: none;
    padding: max(env(safe-area-inset-top), var(--la-shooter-spacing-md)) var(--la-shooter-spacing-md) max(env(safe-area-inset-bottom), var(--la-shooter-spacing-md));
}

.la-shooter-hud-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--la-shooter-spacing-md);
}

.la-shooter-hud-life {
    display: flex;
    align-items: center;
    gap: var(--la-shooter-spacing-sm);
    background: rgba(26, 31, 58, 0.9);
    padding: var(--la-shooter-spacing-sm) var(--la-shooter-spacing-md);
    border-radius: 100px;
    backdrop-filter: blur(10px);
    box-shadow: var(--la-shooter-shadow-sm);
    font-size: var(--la-shooter-font-size-lg);
    font-weight: 700;
    color: var(--la-shooter-success);
}

.la-shooter-hud-life svg {
    filter: drop-shadow(0 0 8px currentColor);
}

.la-shooter-hud-score {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--la-shooter-spacing-xs);
    background: rgba(26, 31, 58, 0.9);
    padding: var(--la-shooter-spacing-sm) var(--la-shooter-spacing-md);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    box-shadow: var(--la-shooter-shadow-sm);
}

.la-shooter-score-value {
    font-size: var(--la-shooter-font-size-xl);
    font-weight: 700;
    color: var(--la-shooter-accent-primary);
    text-shadow: 0 0 10px currentColor;
}

.la-shooter-multiplier {
    font-size: var(--la-shooter-font-size-sm);
    font-weight: 600;
    color: var(--la-shooter-warning);
    text-shadow: 0 0 8px currentColor;
}

.la-shooter-hud-bottom {
    position: absolute;
    bottom: calc(max(env(safe-area-inset-bottom), var(--la-shooter-spacing-md)) + 160px);
    left: 50%;
    transform: translateX(-50%);
}

.la-shooter-wave-info {
    background: rgba(26, 31, 58, 0.9);
    padding: var(--la-shooter-spacing-sm) var(--la-shooter-spacing-lg);
    border-radius: 100px;
    backdrop-filter: blur(10px);
    box-shadow: var(--la-shooter-shadow-md);
    font-size: var(--la-shooter-font-size-md);
    font-weight: 600;
    color: var(--la-shooter-accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    animation: la-shooter-pulse 2s ease-in-out infinite;
}

@keyframes la-shooter-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(0.98); }
}

/* ================================================
   Touch Controls - Direct Touch Area
   ================================================ */

.la-shooter-touch-area {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--la-shooter-z-controls);
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

/* ================================================
   Overlays (Game Over, Pause, Settings)
   ================================================ */

.la-shooter-gameover,
.la-shooter-pause,
.la-shooter-settings {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--la-shooter-z-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    animation: la-shooter-fade-in 0.3s ease;
}

@keyframes la-shooter-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.la-shooter-gameover-panel,
.la-shooter-pause-panel,
.la-shooter-settings-panel {
    background: var(--la-shooter-bg-secondary);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 16px;
    padding: var(--la-shooter-spacing-xl);
    max-width: 90%;
    width: 400px;
    box-shadow: var(--la-shooter-shadow-lg), 0 0 40px rgba(0, 212, 255, 0.2);
    animation: la-shooter-slide-up 0.3s ease;
}

@keyframes la-shooter-slide-up {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.la-shooter-gameover-panel h2,
.la-shooter-pause-panel h2,
.la-shooter-settings-panel h2 {
    font-size: var(--la-shooter-font-size-xl);
    font-weight: 700;
    color: var(--la-shooter-accent-primary);
    text-align: center;
    margin-bottom: var(--la-shooter-spacing-lg);
    text-shadow: 0 0 20px currentColor;
}

/* Game Over Stats */
.la-shooter-gameover-stats {
    display: flex;
    flex-direction: column;
    gap: var(--la-shooter-spacing-md);
    margin-bottom: var(--la-shooter-spacing-lg);
}

.la-shooter-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--la-shooter-spacing-sm) var(--la-shooter-spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
}

.la-shooter-stat-label {
    font-size: var(--la-shooter-font-size-md);
    color: var(--la-shooter-text-secondary);
}

.la-shooter-stat-value {
    font-size: var(--la-shooter-font-size-lg);
    font-weight: 700;
    color: var(--la-shooter-text-primary);
}

.la-shooter-stat-highlight {
    border: 2px solid var(--la-shooter-success);
    animation: la-shooter-highlight-pulse 1s ease-in-out infinite;
}

.la-shooter-stat-highlight .la-shooter-stat-value {
    color: var(--la-shooter-success);
    text-shadow: 0 0 10px currentColor;
}

@keyframes la-shooter-highlight-pulse {
    0%, 100% { box-shadow: 0 0 10px rgba(0, 255, 136, 0.3); }
    50% { box-shadow: 0 0 20px rgba(0, 255, 136, 0.6); }
}

/* Actions */
.la-shooter-gameover-actions,
.la-shooter-pause-actions {
    display: flex;
    flex-direction: column;
    gap: var(--la-shooter-spacing-md);
}

.la-shooter-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--la-shooter-spacing-sm);
    padding: var(--la-shooter-spacing-md) var(--la-shooter-spacing-lg);
    border-radius: 8px;
    font-size: var(--la-shooter-font-size-md);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    outline: none;
}

.la-shooter-btn-primary {
    background: linear-gradient(135deg, var(--la-shooter-accent-primary) 0%, #0099cc 100%);
    color: var(--la-shooter-text-primary);
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}

.la-shooter-btn-primary:hover,
.la-shooter-btn-primary:active {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 212, 255, 0.5);
}

.la-shooter-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--la-shooter-text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.la-shooter-btn-secondary:hover,
.la-shooter-btn-secondary:active {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Settings */
.la-shooter-settings-options {
    display: flex;
    flex-direction: column;
    gap: var(--la-shooter-spacing-md);
    margin-bottom: var(--la-shooter-spacing-lg);
}

.la-shooter-setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--la-shooter-spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
}

.la-shooter-setting-item label {
    font-size: var(--la-shooter-font-size-md);
    color: var(--la-shooter-text-secondary);
}

.la-shooter-setting-item input[type="checkbox"] {
    width: 48px;
    height: 24px;
    appearance: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    position: relative;
    cursor: pointer;
    transition: background 0.2s ease;
}

.la-shooter-setting-item input[type="checkbox"]:checked {
    background: var(--la-shooter-accent-primary);
}

.la-shooter-setting-item input[type="checkbox"]::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: white;
    top: 2px;
    left: 2px;
    transition: left 0.2s ease;
}

.la-shooter-setting-item input[type="checkbox"]:checked::after {
    left: 26px;
}

.la-shooter-setting-item input[type="range"] {
    width: 120px;
    height: 4px;
    appearance: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    outline: none;
}

.la-shooter-setting-item input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--la-shooter-accent-primary);
    cursor: pointer;
}

/* ================================================
   Loading Screen
   ================================================ */

.la-shooter-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--la-shooter-spacing-lg);
    background: var(--la-shooter-bg-primary);
}

.la-shooter-loading-spinner {
    width: 64px;
    height: 64px;
    border: 4px solid rgba(0, 212, 255, 0.2);
    border-top-color: var(--la-shooter-accent-primary);
    border-radius: 50%;
    animation: la-shooter-spin 1s linear infinite;
}

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

.la-shooter-loading p {
    font-size: var(--la-shooter-font-size-lg);
    color: var(--la-shooter-text-secondary);
}

/* ================================================
   Responsive Adjustments
   ================================================ */

@media (min-width: 768px) {
    .la-shooter-joystick-base {
        width: 140px;
        height: 140px;
    }
    
    .la-shooter-btn-action {
        width: 72px;
        height: 72px;
    }
}

@media (min-width: 1024px) {
    .la-shooter-controls {
        display: none; /* Hide touch controls on desktop */
    }
}

/* Desktop-specific styles */
@media (hover: hover) and (pointer: fine) {
    .la-shooter-btn:hover {
        filter: brightness(1.1);
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --la-shooter-bg-primary: #000000;
        --la-shooter-bg-secondary: #1a1a1a;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}