/* =========================================
   VARIABLES & SETUP
   ========================================= */
:root {
    --bg-color: #050000;
    --primary: #ff003c; /* Crimson Red - Hauptfarbe */
    --primary-dim: #550014;
    --secondary: #00f3ff; /* Cyan - Akzentfarbe */
    --text: #ffffff;
    --grid: rgba(255, 0, 60, 0.2);
    --font-main: 'Share Tech Mono', monospace;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    overflow: hidden;
    background-color: var(--bg-color);
    color: var(--text);
    font-family: var(--font-main);
    /* 100dvh passt sich dynamisch mobilen Browser-Leisten an */
    height: 100vh;
    height: 100dvh; 
    user-select: none;
    /* Vignette für Fokus */
    box-shadow: inset 0 0 150px rgba(0,0,0,0.9);
    /* Verhindert Zoom auf iOS beim schnellen Tippen */
    touch-action: manipulation; 
}

/* =========================================
   BACKGROUND EFFECTS
   ========================================= */
/* 3D MOVING GRID (TUNNEL) */
.grid-floor {
    position: absolute;
    bottom: 0; left: -50%; width: 200%; height: 50%;
    background: 
        linear-gradient(transparent 0%, var(--bg-color) 100%),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px),
        linear-gradient(0deg, var(--grid) 1px, transparent 1px);
    background-size: 40px 40px, 40px 40px;
    transform: perspective(300px) rotateX(60deg);
    animation: moveGrid 1s linear infinite;
    z-index: 1;
    opacity: 0.5;
    pointer-events: none;
}

@keyframes moveGrid {
    0% { background-position: 0 0; }
    100% { background-position: 0 40px; }
}

/* CRT SCANLINES */
.crt-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
    z-index: 999;
}

/* =========================================
   UI / HUD
   ========================================= */
#ui-layer {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 100; pointer-events: none;
    display: flex; flex-direction: column;
}

.hud-top {
    display: flex; gap: 15px; padding: 20px;
    pointer-events: all; align-items: center;
    flex-wrap: wrap; /* Wichtig für Mobile */
}

.hud-module {
    background: rgba(10, 0, 5, 0.9);
    border: 1px solid var(--primary);
    padding: 5px 15px;
    box-shadow: 0 0 10px var(--primary-dim);
    min-width: 90px;
    text-align: center;
    transition: all 0.2s;
}

.hud-module.right { margin-left: auto; }

/* Combo Special Effect */
.combo-active {
    border-color: var(--secondary);
    box-shadow: 0 0 20px var(--secondary);
}
.combo-active .value { color: var(--secondary); text-shadow: 0 0 10px var(--secondary); }
.combo-active .label { color: var(--secondary); }

.hud-btn {
    background: transparent; border: 1px solid var(--text);
    color: var(--text); font-weight: bold; cursor: pointer;
    padding: 5px 15px; font-size: 1rem; margin-left: 10px;
}
.hud-btn:hover { background: var(--text); color: black; }

.label { display: block; font-size: 0.7rem; color: #888; letter-spacing: 1px; }
.value { font-size: 1.5rem; font-weight: bold; text-shadow: 0 0 5px var(--primary); }

#status-container { margin-top: 10px; text-align: center; width: 100%; }
#status-msg { font-size: 1.2rem; letter-spacing: 2px; text-shadow: 0 0 5px black; }

/* =========================================
   GAME STAGE & OBJECTS
   ========================================= */
#game-stage { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 10; }

/* Screen Shake Animation */
.shake-screen { animation: shake 0.3s cubic-bezier(.36,.07,.19,.97) both; }

@keyframes shake {
    10%, 90% { transform: translate3d(-2px, 0, 0); }
    20%, 80% { transform: translate3d(4px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-6px, 0, 0); }
    40%, 60% { transform: translate3d(6px, 0, 0); }
}

#player-base { 
    position: absolute; 
    bottom: 30px; 
    left: 50%; transform: translateX(-50%); z-index: 20; 
    transition: bottom 0.3s ease;
}

.cannon { 
    width: 0; height: 0; 
    border-left: 20px solid transparent; border-right: 20px solid transparent; 
    border-bottom: 50px solid var(--text);
    filter: drop-shadow(0 0 15px var(--primary));
}

.cannon-glow {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 100px; height: 100px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    opacity: 0.3; animation: pulseBase 2s infinite;
}
@keyframes pulseBase { 0%, 100% { opacity: 0.2; transform: translate(-50%,-50%) scale(0.8); } 50% { opacity: 0.4; transform: translate(-50%,-50%) scale(1.2); } }

.enemy {
    position: absolute;
    color: var(--text);
    font-size: 1.6rem;
    font-weight: bold;
    text-shadow: 0 0 5px var(--primary);
    padding: 2px 10px;
    background: rgba(0,0,0,0.4);
    border-radius: 4px;
    will-change: top;
}

.enemy.locked {
    background: rgba(255, 0, 60, 0.4);
    border: 1px solid var(--primary);
    box-shadow: 0 0 20px var(--primary);
    transform: scale(1.1); z-index: 15;
}

.laser {
    position: absolute; background: white; width: 4px;
    box-shadow: 0 0 15px var(--secondary);
    transform-origin: bottom center; pointer-events: none;
    z-index: 5; mix-blend-mode: screen;
}

.particle {
    position: absolute; width: 6px; height: 6px;
    background: var(--primary); border-radius: 50%;
    pointer-events: none; box-shadow: 0 0 10px var(--primary);
}

/* =========================================
   INPUT DISPLAY
   ========================================= */
#input-center-container {
    position: absolute; 
    bottom: 120px; 
    width: 100%;
    display: flex; justify-content: center; pointer-events: none;
    transition: bottom 0.3s ease;
}
#input-display {
    font-size: 3.5rem; color: var(--secondary);
    text-shadow: 0 0 15px var(--secondary);
    border-bottom: 2px solid var(--secondary);
    padding: 0 20px; background: rgba(0,0,0,0.6);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    min-height: 4rem;
}

/* =========================================
   OVERLAYS (Start/Pause/GameOver)
   ========================================= */
#overlay, #pause-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(5, 0, 0, 0.92);
    display: flex; justify-content: center; align-items: center;
    z-index: 200; backdrop-filter: blur(5px);
}
.hidden { display: none !important; }

.menu-content { 
    text-align: center; border: 2px solid var(--primary); 
    padding: 50px; background: rgba(0,0,0,0.8); 
    box-shadow: 0 0 50px var(--primary-dim); 
}
.menu-content.small { padding: 30px; min-width: 300px; }

.title {
    font-size: 5rem; margin: 0; color: white;
    text-shadow: 3px 0 var(--primary), -3px 0 var(--secondary);
    animation: glitchTitle 2s infinite;
}
@keyframes glitchTitle {
    0% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
    100% { transform: translate(0); }
}

.subtitle { color:#aaa; letter-spacing:2px; margin-bottom:30px; }

button {
    margin-top: 30px; background: transparent; color: var(--primary);
    border: 2px solid var(--primary); padding: 15px 40px; font-size: 1.5rem;
    cursor: pointer; text-transform: uppercase; transition: all 0.2s;
    font-family: inherit; font-weight: bold;
}
button:hover { 
    background: var(--primary); color: #000; 
    box-shadow: 0 0 40px var(--primary); transform: scale(1.05); 
}

.stats-grid { 
    margin: 20px 0; font-size: 1.2rem; text-align: left; 
    border-top: 1px solid #333; padding-top: 15px; 
    display: grid; gap: 10px;
}

/* =========================================
   STORY MODE
   ========================================= */
#story-layer {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: #000; 
    z-index: 250; /* Über Startscreen (200), aber unter Settings (300) */
    display: flex; justify-content: center; align-items: center;
    padding: 40px;
}

.story-content { max-width: 800px; width: 100%; }

#story-terminal {
    font-size: 2rem; color: var(--primary); 
    text-shadow: 0 0 10px var(--primary);
    line-height: 1.5; white-space: pre-wrap;
    min-height: 200px;
    border-left: 4px solid var(--primary); 
    padding-left: 20px;
}

#story-terminal::after {
    content: '_'; animation: blinkCursor 0.5s infinite;
}
@keyframes blinkCursor { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.story-skip {
    margin-top: 50px; color: #555; font-size: 1rem; 
    text-transform: uppercase; letter-spacing: 2px;
    animation: pulseText 2s infinite; text-align: center;
}
@keyframes pulseText { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

/* =========================================
   SETTINGS MODAL
   ========================================= */
#settings-modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex; justify-content: center; align-items: center;
    z-index: 300; /* Über allem anderen */
}

.settings-box { width: 500px; max-width: 90%; text-align: left; }
.settings-box h2 { text-align: center; color: var(--text); text-shadow: 0 0 10px var(--primary); margin-bottom: 30px; }

.setting-row {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 20px; border-bottom: 1px solid #333; padding-bottom: 10px;
}
.setting-row label { font-size: 1.2rem; color: var(--secondary); }

/* Custom Range Slider (Standardkonform) */
input[type=range] {
    -webkit-appearance: none; 
    appearance: none;
    width: 50%; background: transparent;
}
input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none; height: 20px; width: 10px;
    background: var(--primary); cursor: pointer; margin-top: -8px;
    box-shadow: 0 0 10px var(--primary);
}
input[type=range]::-webkit-slider-runnable-track {
    width: 100%; height: 4px; cursor: pointer; background: #333; border: 1px solid #555;
}

/* Custom Toggle Switch */
.switch { position: relative; display: inline-block; width: 60px; height: 30px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
    position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
    background-color: #333; transition: .4s; border: 1px solid #555;
}
.slider:before {
    position: absolute; content: ""; height: 22px; width: 22px; left: 3px; bottom: 3px;
    background-color: #888; transition: .4s;
}
input:checked + .slider { background-color: var(--primary-dim); border-color: var(--primary); }
input:checked + .slider:before { transform: translateX(30px); background-color: var(--primary); box-shadow: 0 0 10px var(--primary); }

.small-btn {
    font-size: 1rem; padding: 10px 20px; border: 1px solid #555; color: #888;
    background: transparent; cursor: pointer; text-transform: uppercase;
    font-family: inherit; transition: all 0.2s;
}
.small-btn:hover { border-color: var(--text); color: var(--text); background: #222; }

/* =========================================
   HIDDEN INPUT FIX (Der "Anti-Ghost" Patch)
   ========================================= */
#hidden-input {
    position: absolute;
    opacity: 0;
    top: -1000px;
    left: -1000px;
    height: 1px;
    width: 1px;
    background: transparent;
    border: none;
    pointer-events: none;
    z-index: -1;
}

/* =========================================
   MOBILE & TABLET OPTIMIZATIONS
   ========================================= */
@media (max-width: 768px) {
    /* 1. HUD Anpassung: Kleiner und kompakter */
    .hud-top { padding: 10px; gap: 5px; }
    .hud-module { min-width: 60px; padding: 5px 10px; font-size: 0.8rem; }
    .hud-module .value { font-size: 1rem; }
    .hud-module .label { font-size: 0.6rem; }
    .hud-btn { padding: 5px 10px; font-size: 0.9rem; }
    
    /* 2. Titel kleiner machen */
    .title { font-size: 3rem; }
    .subtitle { font-size: 0.8rem; }

    /* 3. Spieler und Input verschieben (Platz für Tastatur machen) */
    /* Wir schieben den Spieler höher, ca in die Mitte des unteren Drittels */
    #player-base { bottom: 25%; }
    
    /* Die Texteingabe muss ÜBER dem Spieler sein */
    #input-center-container { bottom: 35%; }
    #input-display { font-size: 2rem; min-height: 2.5rem; padding: 0 10px; }

    /* 4. Gegner größer und lesbarer machen */
    .enemy { font-size: 1.2rem; padding: 2px 6px; }

    /* 5. Terminal Schriftgröße */
    #story-terminal { font-size: 1.2rem; min-height: 150px; }
    .story-content { padding: 20px; }
}

/* Landscape Mode auf Mobile (Wenn das Handy gedreht ist) */
@media (max-width: 900px) and (orientation: landscape) {
    #player-base { bottom: 15%; }
    #input-center-container { bottom: 25%; }
    .title { font-size: 2.5rem; }
}