@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;600;700&family=Orbitron:wght@700;900&display=swap');

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

html, body {
    width: 100%; height: 100%;
    overflow: hidden;
    background: #05060a;
    font-family: 'Rajdhani', sans-serif;
    color: #e8f4ff;
    user-select: none;
}

#game-canvas {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    display: block;
    cursor: crosshair;
    background: #0c0e14;
}

.hidden { display: none !important; }

/* ============ HUD ============ */
#hud {
    position: fixed; inset: 0; pointer-events: none;
    font-family: 'Rajdhani', sans-serif;
    z-index: 10;
}

#hud-top-left {
    position: absolute; top: 16px; left: 16px; width: 280px;
}
#hud-top-center {
    position: absolute; top: 16px; left: 50%; transform: translateX(-50%);
    text-align: center;
}
#hud-top-right {
    position: absolute; top: 16px; right: 16px; text-align: right;
    font-size: 16px; font-weight: 600; letter-spacing: 1px;
}
#hud-top-right div { text-shadow: 0 0 6px rgba(0,0,0,0.8); margin-bottom: 2px; }

#hud-bottom-left { position: absolute; bottom: 16px; left: 16px; }
#hud-bottom-center {
    position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 20px;
}
#hud-bottom-right { position: absolute; bottom: 16px; right: 16px; text-align: right; }

.bar {
    width: 100%; height: 12px; background: rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.15); border-radius: 3px;
    overflow: hidden; margin-bottom: 4px;
}
.shield-bar { height: 6px; }
.bar-fill {
    height: 100%; width: 100%;
    transition: width 0.15s ease-out;
}
.hp-bar .bar-fill { background: linear-gradient(90deg, #ff4d5e, #ff8a6b); box-shadow: 0 0 8px #ff4d5e; }
.shield-bar .bar-fill { background: linear-gradient(90deg, #4dc8ff, #7de0ff); box-shadow: 0 0 6px #4dc8ff; }
.xp-bar { height: 8px; }
.xp-bar .bar-fill { background: linear-gradient(90deg, #ffd24d, #fff08a); box-shadow: 0 0 6px #ffd24d; }
.bar-label { font-size: 13px; font-weight: 600; margin-bottom: 2px; text-shadow: 0 0 6px black; }
.level-row { font-size: 13px; font-weight: 700; margin: 4px 0 2px; color: #ffd24d; text-shadow: 0 0 6px black; }

#stage-label {
    font-size: 12px; font-weight: 700; letter-spacing: 3px; color: #ffd24d;
    text-shadow: 0 0 6px black; margin-bottom: 2px;
}
#mission-timer {
    font-family: 'Orbitron', sans-serif; font-size: 22px; font-weight: 700;
    color: #7dffe0; text-shadow: 0 0 10px rgba(61,220,151,0.8);
    letter-spacing: 2px;
}
#boss-bar-wrap { width: 420px; margin-top: 6px; }
#boss-name { font-size: 14px; font-weight: 700; color: #ff6b6b; letter-spacing: 3px; margin-bottom: 3px; }
.boss-bar { height: 14px; border-color: #ff4d4d55; }
.boss-bar .bar-fill { background: linear-gradient(90deg, #ff4d4d, #ff9d4d); box-shadow: 0 0 10px #ff4d4d; }

#echo-list { display: flex; gap: 6px; margin-bottom: 4px; }
.echo-chip {
    padding: 3px 8px; border-radius: 3px; font-size: 12px; font-weight: 700;
    background: rgba(0,0,0,0.5); border: 1px solid var(--c); color: var(--c);
    text-shadow: 0 0 6px var(--c);
}
.echo-chip-empty { font-size: 12px; opacity: 0.5; }
#echo-command { font-size: 12px; font-weight: 600; opacity: 0.85; letter-spacing: 1px; }
#echo-command-value { color: #4de8ff; }

.cooldown-item { text-align: center; width: 130px; }
.cooldown-label { font-size: 11px; font-weight: 700; letter-spacing: 1px; margin-bottom: 3px; opacity: 0.8; }
.cd-bar { height: 8px; }
.cd-fill { background: linear-gradient(90deg, #3ddc97, #7dffe0); box-shadow: 0 0 6px #3ddc97; }

#weapon-list { display: flex; flex-direction: column; gap: 3px; align-items: flex-end; }
.weapon-chip {
    font-size: 12px; font-weight: 600; padding: 2px 8px;
    background: rgba(0,0,0,0.45); border: 1px solid rgba(255,255,255,0.15); border-radius: 3px;
}

#combo-display {
    position: absolute; top: 40%; left: 50%; transform: translate(-50%, -50%);
    font-family: 'Orbitron', sans-serif; font-size: 46px; font-weight: 900;
    color: #ffd24d; text-shadow: 0 0 16px #ffb84d;
    animation: comboPulse 0.3s ease-out;
}
@keyframes comboPulse { from { transform: translate(-50%, -50%) scale(1.4); opacity: 0; } to { transform: translate(-50%, -50%) scale(1); opacity: 1; } }

#debug-overlay {
    position: fixed; top: 16px; left: 50%; transform: translateX(-50%) translateY(50px);
    font-family: 'Rajdhani', monospace; font-size: 12px; line-height: 1.5;
    background: rgba(0,0,0,0.75); border: 1px solid rgba(255,210,77,0.4);
    padding: 8px 14px; border-radius: 4px; color: #ffd24d; z-index: 15;
    white-space: pre; pointer-events: none;
}

#tutorial-hint {
    position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%);
    background: rgba(10,14,20,0.85); border: 1px solid #3ddc9777;
    padding: 10px 22px; border-radius: 6px; font-size: 15px; font-weight: 600;
    letter-spacing: 1px; z-index: 20; opacity: 0; transition: opacity 0.4s;
}
#tutorial-hint.show { opacity: 1; }

#big-text {
    position: fixed; top: 40%; left: 50%; transform: translate(-50%, -50%);
    text-align: center; z-index: 25; opacity: 0; transition: opacity 0.4s;
    pointer-events: none;
}
#big-text.show { opacity: 1; }
.big-text-line {
    font-family: 'Orbitron', sans-serif; font-weight: 900; letter-spacing: 3px;
    text-shadow: 0 0 20px rgba(125,255,224,0.8);
}
.line-0 { font-size: 42px; color: #ff6b6b; }
.line-1 { font-size: 22px; color: #7dffe0; margin-top: 10px; }

/* ============ SCREENS ============ */
.screen {
    position: fixed; inset: 0;
    display: flex; align-items: center; justify-content: center;
    background: radial-gradient(ellipse at center, rgba(15,20,30,0.92), rgba(5,6,10,0.97));
    z-index: 50;
    overflow-y: auto;
}

.menu-bg-glow {
    position: absolute; inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(61,220,151,0.08), transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(77,232,255,0.08), transparent 40%);
    animation: bgPulse 6s ease-in-out infinite alternate;
}
@keyframes bgPulse { from { opacity: 0.6; } to { opacity: 1; } }

#screen-main-menu {
    background:
        radial-gradient(ellipse at center, rgba(4,6,10,0.18) 0%, rgba(3,4,8,0.55) 75%),
        url('assets/images/menu-bg.jpg?v=16') center 32% / cover no-repeat;
}

/* Überschrift und Buttons im Hauptmenü an die Farben des Hintergrundbilds
   angepasst: eisiges Cyan/Violett (linke/mittlere/rechte Echo-Gestalten)
   mit warmem Ember-Akzent (rechte Flammen-Gestalt) für den PLAY-Button. */
#screen-main-menu .game-title {
    color: #bfe6ff;
    text-shadow: 0 0 30px rgba(126,200,255,0.75), 0 0 60px rgba(179,141,255,0.35);
    animation: titleGlowBg 3.5s ease-in-out infinite alternate;
}
@keyframes titleGlowBg {
    from { text-shadow: 0 0 30px rgba(126,200,255,0.65), 0 0 60px rgba(179,141,255,0.3); }
    to { text-shadow: 0 0 48px rgba(196,138,255,0.9), 0 0 90px rgba(126,200,255,0.45); }
}
#screen-main-menu .game-subtitle {
    color: #a9c9f0;
    text-shadow: 0 0 10px rgba(0,0,0,0.9), 0 2px 6px rgba(0,0,0,0.8);
}

#screen-main-menu .btn {
    border-color: rgba(140,190,255,0.35);
    font-weight: 800;
}
#screen-main-menu .btn:hover {
    background: rgba(122,168,255,0.16); border-color: #8ab4ff;
    box-shadow: 0 0 14px rgba(138,180,255,0.4);
}
#screen-main-menu .btn-primary {
    background: rgba(255,138,77,0.2); border-color: #ff8a4d; color: #fff1e6;
}
#screen-main-menu .btn-primary:hover {
    background: rgba(255,138,77,0.38); box-shadow: 0 0 16px rgba(255,138,77,0.45);
}

.menu-content { position: relative; text-align: center; z-index: 2; }

.game-title {
    font-family: 'Orbitron', sans-serif; font-size: 72px; font-weight: 900;
    letter-spacing: 10px; color: #7dffe0;
    text-shadow: 0 0 30px rgba(61,220,151,0.7), 0 0 60px rgba(61,220,151,0.3);
    animation: titleGlow 3s ease-in-out infinite alternate;
}
@keyframes titleGlow {
    from { text-shadow: 0 0 30px rgba(61,220,151,0.6), 0 0 60px rgba(61,220,151,0.25); }
    to { text-shadow: 0 0 45px rgba(77,232,255,0.9), 0 0 90px rgba(77,232,255,0.4); }
}
.game-subtitle {
    font-size: 16px; letter-spacing: 6px; color: #8ab4ff; margin: 10px 0 40px;
    opacity: 0.85;
}

.menu-buttons { display: flex; flex-direction: column; gap: 12px; width: 320px; margin: 0 auto; }

.btn {
    font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 16px; letter-spacing: 2px;
    padding: 12px 20px; background: rgba(20,26,36,0.8); color: #e8f4ff;
    border: 1px solid rgba(125,255,224,0.35); border-radius: 4px;
    cursor: pointer; transition: all 0.15s ease;
}
.btn:hover { background: rgba(61,220,151,0.18); border-color: #7dffe0; box-shadow: 0 0 14px rgba(61,220,151,0.35); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: rgba(61,220,151,0.25); border-color: #3ddc97; color: #eafff5; }
.btn-primary:hover { background: rgba(61,220,151,0.4); }
.btn-danger { border-color: #ff5d5d55; color: #ffb4b4; }
.btn-danger:hover { background: rgba(255,77,77,0.15); border-color: #ff4d4d; }
.btn-small { padding: 6px 14px; font-size: 13px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn:disabled:hover { background: rgba(20,26,36,0.8); box-shadow: none; transform: none; }

.menu-currency { margin-top: 26px; font-size: 15px; font-weight: 600; color: #ffd24d; letter-spacing: 1px; }

.beta-badge {
    margin-top: 22px;
    font-family: 'Orbitron', sans-serif; font-weight: 900; font-size: 34px;
    letter-spacing: 6px; text-transform: uppercase;
    color: #ff4d6a;
    transform: rotate(-6deg);
    text-shadow: 0 0 18px rgba(255,77,106,0.75), 0 0 36px rgba(255,77,106,0.35);
    animation: betaPulse 2.4s ease-in-out infinite alternate;
}
@keyframes betaPulse {
    from { text-shadow: 0 0 18px rgba(255,77,106,0.6), 0 0 36px rgba(255,77,106,0.3); transform: rotate(-6deg) scale(1); }
    to { text-shadow: 0 0 28px rgba(255,138,77,0.9), 0 0 50px rgba(255,77,106,0.5); transform: rotate(-6deg) scale(1.04); }
}

.panel {
    background: rgba(12,16,24,0.92); border: 1px solid rgba(125,255,224,0.25);
    border-radius: 8px; padding: 30px 40px; max-width: 640px; width: 90%;
    max-height: 88vh; overflow-y: auto;
    box-shadow: 0 0 40px rgba(0,0,0,0.5);
}
.panel-wide { max-width: 820px; }
.panel-small { max-width: 420px; text-align: center; }

/* ============ Auth (Login / Register) ============ */
.panel-auth { max-width: 400px; text-align: center; }
.auth-title { font-size: 34px; margin-bottom: 22px; letter-spacing: 4px; }
.auth-tabs { display: flex; gap: 8px; margin-bottom: 20px; }
.auth-tab {
    flex: 1; padding: 10px; font-family: 'Rajdhani', sans-serif; font-weight: 700;
    font-size: 14px; letter-spacing: 1px; background: rgba(20,26,36,0.8);
    color: #a8bccb; border: 1px solid rgba(125,255,224,0.25); cursor: pointer;
    transition: all 0.15s ease;
}
.auth-tab:first-child { border-radius: 4px 0 0 4px; }
.auth-tab:last-child { border-radius: 0 4px 4px 0; }
.auth-tab.active { background: rgba(61,220,151,0.25); color: #eafff5; border-color: #3ddc97; }
.auth-form { display: flex; flex-direction: column; text-align: left; }
.auth-form label { font-size: 12px; font-weight: 700; letter-spacing: 1px; margin: 12px 0 5px; color: #a8bccb; }
.auth-form input {
    font-family: 'Rajdhani', sans-serif; font-size: 15px; padding: 10px 12px;
    background: rgba(8,10,15,0.8); border: 1px solid rgba(125,255,224,0.3); border-radius: 4px;
    color: #e8f4ff; outline: none; transition: border-color 0.15s ease;
}
.auth-form input:focus { border-color: #7dffe0; }
.auth-submit { margin-top: 20px; width: 100%; }
.auth-error {
    min-height: 18px; color: #ff8a8a; font-size: 13px; font-weight: 600;
    margin-top: 10px; text-align: center;
}
.auth-hint { margin-top: 20px; font-size: 12px; opacity: 0.6; line-height: 1.5; }
.dev-login-btn {
    margin-top: 14px; width: 100%; border-style: dashed; border-color: rgba(255,210,77,0.5);
    color: #ffd24d; font-size: 12px;
}
.dev-login-btn:hover { background: rgba(255,210,77,0.15); border-color: #ffd24d; }

.loading-text {
    font-family: 'Orbitron', sans-serif; font-size: 20px; letter-spacing: 4px;
    color: #7dffe0; text-shadow: 0 0 14px rgba(61,220,151,0.6);
    animation: bgPulse 1.4s ease-in-out infinite alternate;
}
.panel h2 {
    font-family: 'Orbitron', sans-serif; letter-spacing: 3px; color: #7dffe0;
    margin-bottom: 20px; font-size: 24px;
}
.panel p { margin: 10px 0; line-height: 1.5; opacity: 0.9; }

.howto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; margin: 18px 0; font-size: 15px; }
.howto-echo-text { font-family: 'Orbitron', sans-serif; font-size: 15px; color: #ffd24d; letter-spacing: 1px; margin: 18px 0; line-height: 1.7; }

.settings-row { display: flex; align-items: center; justify-content: space-between; margin: 16px 0; gap: 20px; }
.settings-row label { font-weight: 600; font-size: 15px; }
.settings-row input[type="range"] { width: 180px; }

.segmented-toggle {
    display: flex; border: 1px solid rgba(125,255,224,0.3); border-radius: 4px;
    overflow: hidden;
}
.segment-btn {
    font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 13px; letter-spacing: 1px;
    padding: 6px 18px; background: rgba(20,26,36,0.8); color: #a8bccb;
    border: none; cursor: pointer; transition: all 0.15s ease;
}
.segment-btn:not(:first-child) { border-left: 1px solid rgba(125,255,224,0.2); }
.segment-btn:hover { background: rgba(61,220,151,0.12); color: #e8f4ff; }
.segment-btn.active { background: rgba(61,220,151,0.3); color: #eafff5; box-shadow: inset 0 0 8px rgba(61,220,151,0.3); }

.tab-bar { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }

.station-panel, .shop-panel { min-height: 240px; margin-bottom: 20px; }

.lab-grid, .armory-grid, .research-grid, .shop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.lab-slot {
    border: 1px solid rgba(255,255,255,0.15); border-radius: 6px; padding: 12px; font-size: 13px;
    background: rgba(255,255,255,0.03);
}
.lab-slot.filled { border-color: var(--echo-color); box-shadow: 0 0 10px color-mix(in srgb, var(--echo-color) 40%, transparent); }
.lab-slot-header { font-weight: 700; color: var(--echo-color); margin-bottom: 6px; letter-spacing: 1px; }
.lab-row { margin-bottom: 3px; opacity: 0.9; }
.lab-empty-text { text-align: center; opacity: 0.4; padding: 30px 0; font-weight: 700; letter-spacing: 1px; }

.armory-item, .research-item, .shop-item {
    border: 1px solid rgba(255,255,255,0.15); border-radius: 6px; padding: 12px; font-size: 13px;
    background: rgba(255,255,255,0.03); text-align: left;
}
.armory-item-name, .research-name, .shop-item-name { font-weight: 700; color: #7dffe0; margin-bottom: 4px; }
.armory-stat, .research-desc, .shop-item-desc { opacity: 0.85; margin-bottom: 2px; }
.armory-status { margin-top: 6px; font-size: 11px; color: #ffd24d; letter-spacing: 1px; }
.research-level { margin: 6px 0; font-weight: 600; }
.shop-item { text-align: center; }
.shop-item-price { color: #ffd24d; font-weight: 700; margin: 6px 0; }
.shop-item.equipped { border-color: #3ddc97; box-shadow: 0 0 10px rgba(61,220,151,0.3); }
.shop-owned { font-size: 12px; opacity: 0.6; font-weight: 700; letter-spacing: 1px; margin-top: 6px; }
.shop-disclaimer { font-size: 12px; opacity: 0.6; letter-spacing: 0; text-transform: none; font-weight: 500; }

.confirm-buttons { display: flex; gap: 14px; justify-content: center; margin-top: 20px; }

/* ============ Upgrade Screen ============ */
#screen-upgrade { background: rgba(5,6,10,0.85); flex-direction: column; }
.upgrade-header {
    font-family: 'Orbitron', sans-serif; font-size: 26px; letter-spacing: 4px; color: #ffd24d;
    margin-bottom: 30px; text-shadow: 0 0 20px rgba(255,210,77,0.5);
}
#upgrade-cards { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; max-width: 900px; }
.upgrade-card {
    width: 220px; padding: 22px 16px; border-radius: 8px; text-align: center;
    background: linear-gradient(160deg, rgba(24,30,42,0.95), rgba(14,18,26,0.95));
    border: 2px solid rgba(255,255,255,0.15); cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.upgrade-card:hover { transform: translateY(-6px) scale(1.03); box-shadow: 0 8px 30px rgba(0,0,0,0.5); }
.upgrade-card:active { transform: translateY(-2px) scale(0.99); }
.upgrade-card.rarity-common { border-color: #7d90a8; }
.upgrade-card.rarity-uncommon { border-color: #3ddc97; box-shadow: 0 0 16px rgba(61,220,151,0.2); }
.upgrade-card.rarity-rare { border-color: #ffd24d; box-shadow: 0 0 20px rgba(255,210,77,0.3); }
.upgrade-icon { font-size: 40px; margin-bottom: 10px; }
.upgrade-name { font-weight: 700; font-size: 16px; letter-spacing: 1px; margin-bottom: 8px; color: #e8f4ff; }
.upgrade-desc { font-size: 13px; opacity: 0.85; min-height: 40px; }
.upgrade-level { font-size: 12px; margin-top: 8px; color: #7dffe0; }
.upgrade-rarity { font-size: 10px; margin-top: 6px; letter-spacing: 2px; opacity: 0.6; }

/* ============ Results ============ */
.results-saved-msg { color: #ffd24d; font-weight: 700; letter-spacing: 1px; margin-bottom: 16px; min-height: 20px; }
.results-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
    margin: 20px 0 26px; font-size: 13px; text-align: center;
}
.results-grid span { display: block; font-family: 'Orbitron', sans-serif; font-size: 18px; margin-top: 4px; color: #7dffe0; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-thumb { background: rgba(125,255,224,0.25); border-radius: 4px; }

/* ============ Level Select ============ */
.level-select-hint { font-size: 13px; opacity: 0.75; margin: 6px 0 18px; line-height: 1.5; }
.level-select-grid {
    display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px;
    margin-bottom: 22px; max-height: 55vh; overflow-y: auto; padding-right: 4px;
}
.level-tile {
    position: relative; aspect-ratio: 1; border-radius: 6px; cursor: pointer;
    background: rgba(61,220,151,0.08); border: 1px solid rgba(125,255,224,0.3);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    font-family: 'Rajdhani', sans-serif; transition: all 0.15s ease;
}
.level-tile:hover:not(:disabled) {
    background: rgba(61,220,151,0.2); border-color: #7dffe0;
    box-shadow: 0 0 12px rgba(61,220,151,0.35); transform: translateY(-2px);
}
.level-tile-num { font-family: 'Orbitron', sans-serif; font-size: 20px; font-weight: 900; color: #e8f4ff; }
.level-tile-time { font-size: 10px; opacity: 0.65; margin-top: 2px; letter-spacing: 1px; }
.level-tile.cleared { border-color: #ffd24d; background: rgba(255,210,77,0.12); }
.level-tile.cleared .level-tile-num { color: #ffd24d; }
.level-tile-check {
    position: absolute; top: 4px; right: 6px; color: #ffd24d; font-size: 13px; font-weight: 700;
}
.level-tile.locked {
    background: rgba(255,255,255,0.02); border-color: rgba(255,255,255,0.1);
    cursor: not-allowed; opacity: 0.5;
}
.level-tile.locked .level-tile-num { color: #6a7686; }
.level-tile-lock { font-size: 14px; margin-top: 2px; opacity: 0.7; }