/* ============================================================
   STYLE.CSS - Asteroids Reborn - Diseño Premium Neon
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Exo+2:wght@300;400;600&display=swap');

:root {
    --color-bg:       #050510;
    --color-primary:  #00ffff;
    --color-secondary:#ff00ff;
    --color-danger:   #ff3344;
    --color-text:     #e8eeff;
    --color-text-dim: #6a7090;
    --color-health:   #ff2244;
    --color-shield:   #22aaff;
    --color-xp:       #ffee33;
    --color-gold:     #ffcc44;
    --font-hud:       'Orbitron', 'Courier New', monospace;
    --font-body:      'Exo 2', 'Segoe UI', sans-serif;
    --glow-cyan:      0 0 10px #00ffff, 0 0 30px rgba(0,255,255,0.3);
    --glow-magenta:   0 0 10px #ff00ff, 0 0 30px rgba(255,0,255,0.3);
    --glow-red:       0 0 10px #ff2244, 0 0 20px rgba(255,34,68,0.4);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

body {
    background: #000;
    color: var(--color-text);
    font-family: var(--font-body);
    overflow: hidden;
}

/* ======================================================
   LAYOUT BASE
   ====================================================== */
#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    background: var(--color-bg);
}

#game-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    /* Evitar que el navegador suavice el canvas y lo difumine */
    image-rendering: -webkit-optimize-contrast; /* Safari */
    image-rendering: crisp-edges;              /* Firefox */
    image-rendering: pixelated;                /* Chrome/Edge */
}

.fade-in {
    animation: fadeIn 1.2s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; filter: brightness(0); }
    to { opacity: 1; filter: brightness(1); }
}

#ui-layer {
    position: absolute;
    inset: 0;
    z-index: 10;
    pointer-events: none;
}

/* ======================================================
   SCREENS
   ====================================================== */
.screen {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(3, 3, 15, 0.88);
    pointer-events: auto;
    /* SIN backdrop-filter aquí: afectaría al canvas del juego */
}

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

.screen.active {
    display: flex;
}

/* ======================================================
   MAIN MENU
   ====================================================== */
#main-menu {
    background: radial-gradient(ellipse at 50% 40%, rgba(0,40,80,0.6) 0%, rgba(3,3,15,0.95) 70%);
    backdrop-filter: blur(3px);
}

.menu-bg-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(0,255,255,0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,0,255,0.04) 0%, transparent 50%);
    pointer-events: none;
}

#logo {
    width: clamp(80px, 10vw, 130px);
    height: auto;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 20px var(--color-primary));
}

h1.title-fallback {
    font-family: var(--font-hud);
    font-size: clamp(2.5rem, 5vw, 5rem);
    font-weight: 900;
    color: var(--color-primary);
    text-shadow: var(--glow-cyan);
    margin-bottom: 2.5rem;
    letter-spacing: 8px;
    text-align: center;
    line-height: 1.1;
}

h1.title-fallback span {
    color: var(--color-secondary);
    text-shadow: var(--glow-magenta);
}

.version-tag {
    position: absolute;
    bottom: 20px;
    right: 24px;
    font-family: var(--font-hud);
    font-size: 0.65rem;
    color: var(--color-text-dim);
    letter-spacing: 2px;
}

/* ======================================================
   BUTTONS
   ====================================================== */
.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    width: clamp(220px, 28vw, 340px);
}

.btn {
    padding: 14px 22px;
    font-family: var(--font-hud);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-text);
    background: rgba(0, 255, 255, 0.04);
    border: 1px solid rgba(0, 255, 255, 0.35);
    border-radius: 4px;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.18s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(0,255,255,0.08), transparent);
    transform: translateX(-100%);
    transition: transform 0.35s ease;
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn:hover {
    background: rgba(0, 255, 255, 0.12);
    border-color: var(--color-primary);
    box-shadow: var(--glow-cyan), inset 0 0 15px rgba(0,255,255,0.08);
    color: #fff;
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn.primary {
    background: rgba(0, 255, 255, 0.12);
    border-color: var(--color-primary);
}

.btn.primary:hover {
    background: rgba(0, 255, 255, 0.22);
}

.btn.danger {
    border-color: var(--color-danger);
    background: rgba(255, 34, 68, 0.05);
}

.btn.danger:hover {
    background: rgba(255, 34, 68, 0.15);
    border-color: var(--color-danger);
    box-shadow: var(--glow-red), inset 0 0 15px rgba(255,34,68,0.08);
}

.btn-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* ======================================================
   HUD - TOP BAR
   ====================================================== */
#hud {
    background: transparent !important;
    pointer-events: none;
    justify-content: space-between;
    /* Sin blur ni overlay: el canvas debe verse nítido */
    backdrop-filter: none !important;
}

.top-bar {
    width: 100%;
    padding: 16px 20px 12px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    background: linear-gradient(to bottom, rgba(0,0,0,0.7) 0%, transparent 100%);
}

/* --- Player Stats (vida + escudo) --- */
.player-stats {
    display: flex;
    flex-direction: column;
    gap: 7px;
    min-width: 220px;
}

.bar-group {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.bar-label {
    display: flex;
    align-items: center;
    gap: 5px;
}

.bar-icon {
    font-size: 0.75rem;
}

.bar-text {
    font-family: var(--font-hud);
    font-size: 0.6rem;
    letter-spacing: 2px;
    color: var(--color-text-dim);
}

.bar-track {
    position: relative;
    height: 10px;
    width: 220px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 6px;
    overflow: hidden;
}

.bar-shine {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to bottom, rgba(255,255,255,0.12), transparent);
    border-radius: 6px 6px 0 0;
    pointer-events: none;
}

.bar {
    position: absolute;
    inset: 0;
    border-radius: 6px;
    transform-origin: left;
    transition: transform 0.15s ease-out;
}

.bar.health {
    background: linear-gradient(90deg, #cc0022, #ff2244, #ff5566);
    box-shadow: 0 0 8px var(--color-health), inset 0 0 4px rgba(255,255,255,0.2);
    transform: scaleX(var(--scale, 1));
}

.bar.health.critical {
    animation: pulse-critical 0.6s ease-in-out infinite;
}

@keyframes pulse-critical {
    0%, 100% { box-shadow: 0 0 8px #ff2244; }
    50%       { box-shadow: 0 0 20px #ff2244, 0 0 40px rgba(255,34,68,0.5); }
}

.bar.shield {
    background: linear-gradient(90deg, #0055aa, #22aaff, #66ccff);
    box-shadow: 0 0 8px var(--color-shield), inset 0 0 4px rgba(255,255,255,0.2);
    transform: scaleX(var(--scale, 1));
}

.bar.xp {
    background: linear-gradient(90deg, #aaaa00, #ffee33, #ffff88);
    box-shadow: 0 0 8px var(--color-xp);
    transform: scaleX(var(--scale, 0));
}

/* --- Score Panel (centro) --- */
.score-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.score-label {
    font-family: var(--font-hud);
    font-size: 0.6rem;
    letter-spacing: 3px;
    color: var(--color-text-dim);
}

.score-value {
    font-family: var(--font-hud);
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 900;
    color: #fff;
    letter-spacing: 4px;
    text-shadow: 0 0 10px rgba(255,255,255,0.6), var(--glow-cyan);
    line-height: 1;
}

/* --- Level Panel (derecha) --- */
.level-panel {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    min-width: 160px;
}

.level-label {
    font-family: var(--font-hud);
    font-size: 0.6rem;
    letter-spacing: 3px;
    color: var(--color-text-dim);
}

.level-value {
    font-family: var(--font-hud);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    text-shadow: var(--glow-cyan);
    letter-spacing: 2px;
    text-align: right;
}

.survival-timer {
    font-family: var(--font-hud);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-secondary);
    text-shadow: var(--glow-magenta);
    letter-spacing: 3px;
}

/* --- Combo Multiplier --- */
.combo-multiplier {
    font-family: var(--font-hud);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 2px;
    margin-top: 4px;
    transition: transform 0.2s, color 0.2s, text-shadow 0.2s;
}

.combo-multiplier.level-2 {
    color: #44ff88;
    text-shadow: 0 0 10px #44ff88;
    transform: scale(1.1);
}

.combo-multiplier.level-3 {
    color: #ffaa00;
    text-shadow: 0 0 10px #ffaa00;
    transform: scale(1.2);
}

.combo-multiplier.level-4 {
    color: #ff3344;
    text-shadow: 0 0 15px #ff3344, 0 0 30px rgba(255, 50, 68, 0.5);
    transform: scale(1.3);
    animation: comboPulse 0.5s infinite alternate;
}

@keyframes comboPulse {
    from { transform: scale(1.3); }
    to { transform: scale(1.4); }
}

/* --- Minimapa --- */
#minimap-canvas {
    position: absolute;
    bottom: 22px;
    right: 22px;
    background: rgba(0, 0, 10, 0.5);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 50%;
    width: 150px;
    height: 150px;
    box-shadow: inset 0 0 15px rgba(0, 255, 255, 0.1);
}

/* ======================================================
   HUD - WEAPON PANEL
   ====================================================== */
.weapon-panel {
    position: absolute;
    bottom: 22px;
    left: 22px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: rgba(0,0,0,0.65);
    border: 1px solid rgba(0,255,255,0.2);
    border-radius: 8px;
    padding: 10px 16px;
    /* backdrop-filter eliminado: crea un compositor GPU extra cada frame */
}

.weapon-label {
    font-family: var(--font-hud);
    font-size: 0.55rem;
    letter-spacing: 2px;
    color: var(--color-text-dim);
}

.weapon-display {
    display: flex;
    align-items: center;
    gap: 8px;
}

.weapon-icon-big {
    font-size: 1.6rem;
    filter: drop-shadow(0 0 6px currentColor);
}

.weapon-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.weapon-name-text {
    font-family: var(--font-hud);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-primary);
    text-shadow: var(--glow-cyan);
}

.weapon-ammo {
    font-family: var(--font-hud);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #555;
    transition: color 0.2s, text-shadow 0.2s;
}

/* ======================================================
   HUD - POWER-UP NOTIFICATION
   ====================================================== */
.powerup-notif {
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    font-family: var(--font-hud);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 3px;
    padding: 8px 24px;
    border: 1px solid #fff;
    border-radius: 4px;
    background: rgba(0,0,0,0.82);
    color: #fff;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    /* backdrop-filter eliminado: aplica en runtime sobre el canvas */
    white-space: nowrap;
}

.powerup-notif.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    animation: notif-pulse 2.2s ease forwards;
}

@keyframes notif-pulse {
    0%   { opacity: 0; transform: translateX(-50%) translateY(-10px) scale(0.9); }
    15%  { opacity: 1; transform: translateX(-50%) translateY(0) scale(1.05); }
    25%  { transform: translateX(-50%) translateY(0) scale(1); }
    80%  { opacity: 1; }
    100% { opacity: 0; transform: translateX(-50%) translateY(-10px); }
}

/* ======================================================
   PAUSE SCREEN
   ====================================================== */
#pause-screen {
    background: rgba(0,0,8,0.82);
    backdrop-filter: blur(8px);
}

.pause-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 40px 60px;
    border: 1px solid rgba(0,255,255,0.2);
    border-radius: 12px;
    background: rgba(0,5,20,0.6);
}

.pause-hint {
    font-size: 0.75rem;
    color: var(--color-text-dim);
    letter-spacing: 1px;
    margin-top: 0.5rem;
}

/* ======================================================
   GAME OVER
   ====================================================== */
#game-over-screen {
    background: radial-gradient(ellipse at center, rgba(80,0,10,0.5) 0%, rgba(0,0,8,0.92) 70%);
    backdrop-filter: blur(6px);
}

.game-over-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 50px 70px;
    border: 1px solid rgba(255,34,68,0.3);
    border-radius: 12px;
    background: rgba(5,0,10,0.7);
    backdrop-filter: blur(8px);
}

.game-over-title {
    font-family: var(--font-hud);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    color: var(--color-danger);
    text-shadow: var(--glow-red);
    letter-spacing: 6px;
    text-align: center;
}

.score-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.score-result-label {
    font-family: var(--font-hud);
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--color-text-dim);
}

.score-result-value {
    font-family: var(--font-hud);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    color: var(--color-gold);
    text-shadow: 0 0 15px var(--color-gold), 0 0 40px rgba(255,204,68,0.4);
    letter-spacing: 4px;
}

.game-over-stats {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: center;
    margin: 15px 0;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text-dim);
    background: rgba(0, 0, 0, 0.3);
    padding: 15px 30px;
    border-radius: 8px;
    border: 1px solid rgba(255, 34, 68, 0.1);
}

.game-over-stats p {
    margin: 0;
}

.game-over-stats .stat-val {
    color: var(--color-text);
    font-weight: 600;
    margin-left: 8px;
}

.high-score-display {
    font-family: var(--font-hud);
    font-size: 0.85rem;
    color: var(--color-text-dim);
    letter-spacing: 2px;
}

/* ======================================================
   LEVEL COMPLETE
   ====================================================== */
#level-complete-screen {
    background: radial-gradient(ellipse at center, rgba(0,50,20,0.5) 0%, rgba(0,0,8,0.92) 70%);
    backdrop-filter: blur(6px);
}

.level-complete-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    padding: 50px 70px;
    border: 1px solid rgba(0,255,100,0.3);
    border-radius: 12px;
    background: rgba(0,5,15,0.7);
    backdrop-filter: blur(8px);
}

.level-complete-title {
    font-family: var(--font-hud);
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    font-weight: 900;
    color: #44ff88;
    text-shadow: 0 0 15px #44ff88, 0 0 40px rgba(68,255,136,0.4);
    letter-spacing: 4px;
    text-align: center;
}

/* ======================================================
   H2 GLOBAL
   ====================================================== */
h2 {
    font-family: var(--font-hud);
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    color: var(--color-text);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 10px rgba(255,255,255,0.4);
    letter-spacing: 4px;
    text-transform: uppercase;
    text-align: center;
}

/* ======================================================
   CARDS
   ====================================================== */
.cards-container {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.upgrade-card {
    width: 180px;
    min-height: 220px;
    background: rgba(5,5,25,0.9);
    border: 1px solid rgba(255,0,255,0.3);
    border-radius: 10px;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.upgrade-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(255,0,255,0.3);
    border-color: var(--color-secondary);
}

.upgrade-icon {
    font-size: 2.5rem;
    margin-bottom: 4px;
}

.upgrade-card h3 {
    font-family: var(--font-hud);
    font-size: 0.85rem;
    color: var(--color-secondary);
    text-align: center;
    letter-spacing: 1px;
}

.upgrade-card p {
    font-size: 0.85rem;
    text-align: center;
    color: var(--color-text-dim);
}

.upgrade-card .cost {
    margin-top: auto;
    color: var(--color-gold);
    font-weight: 600;
}

.crystals-display {
    font-family: var(--font-hud);
    font-size: 1.1rem;
    color: var(--color-gold);
    margin-bottom: 1rem;
}

/* ======================================================
   LEVEL GRID
   ====================================================== */
.level-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 800px;
    max-height: 60vh;
    overflow-y: auto;
    padding: 16px;
}

.level-grid .btn {
    width: 65px;
    height: 65px;
    padding: 0;
    justify-content: center;
    font-size: 1rem;
}

/* ======================================================
   CONTROLS HINT
   ====================================================== */
.controls-hint {
    margin-top: 2rem;
    padding: 20px 30px;
    border: 1px solid rgba(0,255,255,0.15);
    border-radius: 8px;
    background: rgba(0,0,0,0.3);
    text-align: center;
    max-width: 420px;
}

.controls-hint h3 {
    font-family: var(--font-hud);
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--color-text-dim);
    margin-bottom: 14px;
}

.controls-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 16px;
    text-align: left;
    margin-bottom: 14px;
}

.key {
    font-family: var(--font-hud);
    font-size: 0.7rem;
    background: rgba(0,255,255,0.1);
    border: 1px solid rgba(0,255,255,0.3);
    border-radius: 4px;
    padding: 2px 8px;
    color: var(--color-primary);
    white-space: nowrap;
    text-align: center;
}

.hint-note {
    font-size: 0.8rem;
    color: var(--color-text-dim);
    line-height: 1.4;
    margin-top: 6px;
}

.hint-note strong {
    color: var(--color-gold);
}

/* ======================================================
   CRYSTALS HINT
   ====================================================== */
.crystals-hint {
    font-size: 0.78rem;
    color: var(--color-text-dim);
    margin-bottom: 1.2rem;
    text-align: center;
    max-width: 360px;
    line-height: 1.4;
}

/* Feedback tarjeta sin fondos */
.upgrade-card.no-funds {
    animation: shake-card 0.4s ease;
    border-color: var(--color-danger) !important;
}

@keyframes shake-card {
    0%, 100% { transform: translateX(0); }
    20%       { transform: translateX(-6px); }
    60%       { transform: translateX(6px); }
}

/* ======================================================
   TOUCH CONTROLS (MÓVIL)
   ====================================================== */
#touch-controls {
    display: none; /* visible solo en móvil */
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 20;
    pointer-events: none;
    padding: 0 16px 16px;
    justify-content: space-between;
    align-items: flex-end;
}

/* D-Pad */
.dpad {
    position: relative;
    width: 130px;
    height: 130px;
    pointer-events: auto;
}

.dpad-btn {
    position: absolute;
    width: 44px;
    height: 44px;
    background: rgba(0, 255, 255, 0.12);
    border: 1px solid rgba(0, 255, 255, 0.4);
    border-radius: 8px;
    color: var(--color-primary);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: none;
    transition: background 0.1s;
}

.dpad-btn:active { background: rgba(0,255,255,0.28); }

.dpad-up    { top: 0;   left: 50%; transform: translateX(-50%); }
.dpad-down  { bottom: 0; left: 50%; transform: translateX(-50%); }
.dpad-left  { left: 0;  top: 50%; transform: translateY(-50%); }
.dpad-right { right: 0; top: 50%; transform: translateY(-50%); }

/* Acción buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: auto;
}

.action-btn {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    border: 2px solid;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: none;
    transition: transform 0.1s, opacity 0.1s;
}

.action-btn:active { transform: scale(0.88); opacity: 0.75; }

.fire-btn {
    background: rgba(255, 34, 68, 0.18);
    border-color: var(--color-danger);
    box-shadow: 0 0 12px rgba(255,34,68,0.3);
}

.pause-btn {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--color-primary);
    font-size: 1rem;
    box-shadow: 0 0 10px rgba(0,255,255,0.2);
}

.target-btn {
    background: rgba(255, 136, 0, 0.18);
    border-color: #ff8800;
    box-shadow: 0 0 12px rgba(255, 136, 0, 0.3);
}

/* ======================================================
   RESPONSIVE — MÓVIL Y TABLETS
   ====================================================== */
@media (pointer: coarse), (max-width: 1024px) {
    /* Mostrar controles táctiles en dispositivos touch o pantallas hasta 1024px */
    #touch-controls { display: flex; }

    /* Menú principal */
    h1.title-fallback {
        font-size: clamp(2rem, 8vw, 3rem);
        letter-spacing: 4px;
        margin-bottom: 1rem;
    }

    h1.title-fallback + h3.title-fallback {
        font-size: 0.8rem;
        margin-bottom: 12px;
    }

    .menu-buttons {
        width: clamp(200px, 85vw, 320px);
        gap: 0.65rem;
    }

    .btn {
        padding: 12px 16px;
        font-size: 0.78rem;
        letter-spacing: 1px;
    }

    /* HUD top bar comprimida */
    .top-bar {
        padding: 8px 10px 6px;
        flex-wrap: wrap;
        gap: 4px;
    }

    .player-stats { min-width: unset; }

    .bar-track {
        width: clamp(100px, 30vw, 180px);
        height: 8px;
    }

    .score-value {
        font-size: clamp(1.2rem, 5vw, 1.8rem);
        letter-spacing: 2px;
    }

    .level-panel { min-width: unset; }
    .level-value { font-size: 0.85rem; }

    /* Weapon panel comprimido */
    .weapon-panel {
        bottom: 160px; /* dejar espacio para d-pad */
        left: 10px;
        padding: 6px 10px;
    }

    .weapon-icon-big { font-size: 1.2rem; }
    .weapon-name-text { font-size: 0.75rem; }
    .weapon-ammo { font-size: 0.65rem; }

    /* Minimap más pequeño y reposicionado */
    #minimap-canvas {
        width: 90px;
        height: 90px;
        bottom: 165px;
        right: 10px;
    }

    /* Notificación power-up */
    .powerup-notif {
        font-size: 0.75rem;
        padding: 6px 14px;
        top: 70px;
    }

    /* Game Over */
    .game-over-container {
        padding: 28px 20px;
        margin: 0 12px;
    }

    .game-over-title { font-size: 1.8rem; letter-spacing: 2px; }
    .score-result-value { font-size: 2.2rem; }

    /* Pausa */
    .pause-container { padding: 28px 30px; }

    /* Upgrade cards en móvil: columna */
    .cards-container {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        max-height: 55vh;
        overflow-y: auto;
    }

    .upgrade-card {
        width: clamp(200px, 75vw, 280px);
        min-height: unset;
        padding: 16px;
        flex-direction: row;
        gap: 14px;
        align-items: center;
    }

    .upgrade-icon { font-size: 1.8rem; margin-bottom: 0; }

    /* Level complete */
    .level-complete-container { padding: 28px 20px; margin: 0 12px; }
    .level-complete-title { font-size: 1.5rem; letter-spacing: 2px; }

    /* Controls hint scrollable */
    .controls-hint {
        max-height: 40vh;
        overflow-y: auto;
        padding: 14px 16px;
    }

    /* h2 screens */
    h2 { font-size: 1.5rem; letter-spacing: 2px; margin-bottom: 0.8rem; }
}

@media (max-width: 400px) {
    .btn { font-size: 0.72rem; padding: 10px 12px; }
    .top-bar { padding: 6px 6px 4px; }
    .score-value { font-size: 1.1rem; }
}

/* Desktop: ocultar touch controls */
@media (pointer: fine) and (min-width: 1025px) {
    #touch-controls { display: none !important; }
}