/* ============================================
   GARRA GUARANÍ — Global Styles
   Mobile-first vertical shooter PWA
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --py-red: #CE1126;
    --py-red-dark: #9B0D1D;
    --py-red-glow: #FF1A35;
    --py-white: #FFFFFF;
    --py-blue: #0038A8;
    --py-blue-dark: #002266;
    --py-gold: #FFD700;
    --py-gold-dark: #B8960F;
    --bg-dark: #0a0a1a;
    --bg-darker: #050510;
    --text-primary: #FFFFFF;
    --text-secondary: #a0a0c0;
    --pixel-font: 'Press Start 2P', monospace;
    --hud-height-top: 36px;
    --hud-height-bottom: 48px;
}

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

/* --- Game Wrapper --- */
#game-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-darker);
}

#game-canvas {
    display: block;
    background: var(--bg-dark);
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    /* Size set dynamically via JS */
}

/* --- HUD Overlay --- */
.hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.hud.hidden {
    display: none;
}

.hud-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: var(--hud-height-top);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px;
    background: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 100%);
    z-index: 11;
}

.hud-health {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}

#hud-health-icon {
    font-size: 10px;
    line-height: 1;
}

.hud-health-bar {
    width: 80px;
    height: 8px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 2px;
    overflow: hidden;
}

.hud-health-fill {
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--py-red) 0%, var(--py-red-glow) 100%);
    transition: width 0.2s ease;
}

.hud-score {
    font-size: 8px;
    color: var(--py-gold);
    text-shadow: 1px 1px 0 rgba(0,0,0,0.8);
    margin-right: 4px;
}

.hud-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px; /* Un poco más alto para los iconos */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding: 4px 8px;
    background: linear-gradient(0deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    pointer-events: none;
    z-index: 11;
}

.hud-weapon-selector {
    display: flex;
    gap: 6px;
    margin-bottom: 6px;
}

.w-btn {
    pointer-events: all;
    width: 32px;
    height: 32px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    background: rgba(0,0,0,0.6);
    color: white;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-family: inherit;
    position: relative;
    overflow: visible;
}

.w-btn:active {
    transform: scale(0.85);
}

.w-btn.locked {
    opacity: 0.2;
    filter: grayscale(1);
    pointer-events: none;
}

.w-btn.active {
    border: 2px solid #00FFEE;
    background: rgba(0, 255, 238, 0.2);
    box-shadow: 0 0 8px rgba(0, 255, 238, 0.6);
    transform: scale(1.1);
}

.w-btn.mega-glow {
    animation: mega-glow-pulse 1.5s infinite;
    border-color: var(--py-gold);
}

@keyframes mega-glow-pulse {
    0%, 100% { box-shadow: 0 0 5px var(--py-gold); }
    50% { box-shadow: 0 0 20px var(--py-gold), 0 0 30px var(--py-gold-dark); }
}

.hud-garra-container {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    pointer-events: all;
}

.hud-garra-bar {
    flex: 1;
    height: 10px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 4px;
    overflow: hidden;
}

.hud-btn {
    pointer-events: all;
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 8px;
    background: rgba(0,0,0,0.5);
    color: white;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.1s ease;
    font-family: inherit;
}

.hud-btn:active {
    transform: scale(0.9);
    background: rgba(255,255,255,0.2);
}

.hud-btn:disabled {
    opacity: 0.4;
    pointer-events: none;
}

.hud-btn-garra {
    border-color: var(--py-red);
    background: rgba(206, 17, 38, 0.3);
}

.hud-btn-garra:not(:disabled) {
    animation: garra-pulse 1s ease-in-out infinite;
    border-color: var(--py-red-glow);
    box-shadow: 0 0 12px rgba(255, 26, 53, 0.5);
}

@keyframes garra-pulse {
    0%, 100% { box-shadow: 0 0 8px rgba(255, 26, 53, 0.4); }
    50% { box-shadow: 0 0 20px rgba(255, 26, 53, 0.8); }
}

.hud-garra-bar {
    flex: 1;
    height: 10px;
    margin: 0 8px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 4px;
    overflow: hidden;
}

.hud-garra-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--py-red) 0%, var(--py-gold) 100%);
    transition: width 0.3s ease;
    border-radius: 4px;
}

/* --- Ad Container --- */
.ad-container {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
}

.ad-container.hidden {
    display: none;
}

.ad-placeholder {
    width: 320px;
    height: 50px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border: 1px dashed rgba(255,255,255,0.2);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 7px;
    color: var(--text-secondary);
    letter-spacing: 2px;
}

/* --- Utility --- */
.hidden {
    display: none !important;
}

/* --- Screen shake effect applied to canvas --- */
#game-canvas.shake {
    animation: screen-shake 0.15s ease-in-out;
}

@keyframes screen-shake {
    0%, 100% { transform: translate(0, 0); }
    20% { transform: translate(-3px, 2px); }
    40% { transform: translate(3px, -2px); }
    60% { transform: translate(-2px, 3px); }
    80% { transform: translate(2px, -3px); }
}

/* --- Fullscreen adjustments for safe area (notch phones) --- */
@supports (padding: env(safe-area-inset-top)) {
    .hud-top {
        padding-top: calc(4px + env(safe-area-inset-top));
    }
    .hud-bottom {
        padding-bottom: calc(4px + env(safe-area-inset-bottom));
    }
}
/* --- Modal System --- */
.modal {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal:not(.hidden) {
    opacity: 1;
    pointer-events: all;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: #111;
    border: 4px solid var(--py-gold);
    border-radius: 20px;
    padding: 30px;
    width: 85%;
    max-width: 320px;
    text-align: center;
    box-shadow: 0 0 40px rgba(0,0,0,0.5), 0 0 20px var(--py-gold-dark);
}

.pause-content {
    background: linear-gradient(180deg, #151525 0%, #050510 100%);
    border-color: var(--py-blue);
    box-shadow: 0 0 30px rgba(0, 56, 168, 0.4);
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Reusing existing button styles but ensuring they match the plan */
.btn-primary, .btn-secondary, .btn-danger {
    font-family: 'Press Start 2P', cursive;
    font-size: 10px;
    padding: 15px;
    border: none;
    border-top: 4px solid rgba(255,255,255,0.3);
    border-bottom: 4px solid rgba(0,0,0,0.3);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.1s;
    width: 100%;
}

.btn-primary { background: var(--py-red); color: white; }
.btn-primary:active { background: var(--py-red-dark); transform: translate(0, 2px); }

.btn-secondary { background: #333; color: white; }
.btn-secondary:active { background: #222; transform: translate(0, 2px); }

.btn-danger { background: #660000; color: white; }
.btn-danger:active { background: #440000; transform: translate(0, 2px); }