/* ============================================================
   NEON PULSE — UI Styleshet
   Alles prozedural: keine Bilder, keine externen Assets.
   ============================================================ */
:root {
  --c-bg:        #05030f;
  --c-bg-2:      #0b0722;
  --c-cyan:      #23f0ff;
  --c-magenta:   #ff2fb9;
  --c-violet:    #8a5bff;
  --c-lime:      #b6ff3d;
  --c-amber:     #ffcc33;
  --c-red:       #ff3b5c;
  --c-text:      #eaf4ff;
  --c-dim:       #7f8bb5;
  --ui-blur:     14px;
  --r:           14px;
  --beat:        0;        /* 0..1, per JS pro Beat gesetzt */
}

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

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: "Rajdhani", "Chakra Petch", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-weight: 600;
  letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  user-select: none; -webkit-user-select: none;
  touch-action: none;
  overscroll-behavior: none;
}

#app { position: fixed; inset: 0; }

canvas#game {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
  image-rendering: auto;
}

/* ======================== HUD ======================== */
.hud {
  position: absolute; inset: 0;
  pointer-events: none;
  padding: max(12px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right))
           max(12px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
}
.hud[hidden] { display: none; }

.hud-bar { max-width: min(720px, 74vw); }

.progress {
  position: relative;
  height: 14px;
  border-radius: 10px;
  background: rgba(10, 8, 30, .72);
  border: 1px solid rgba(120, 160, 255, .28);
  box-shadow: 0 0 18px rgba(35, 240, 255, .12), inset 0 0 10px rgba(0,0,0,.6);
  overflow: hidden;
}
.progress-fill {
  position: absolute; left: 0; top: 0; bottom: 0; width: 0%;
  background: linear-gradient(90deg, var(--c-violet), var(--c-cyan) 55%, var(--c-lime));
  box-shadow: 0 0 16px rgba(35, 240, 255, .85);
  transition: width .06s linear;
}
.progress-shine {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.22), rgba(255,255,255,0) 55%);
  pointer-events: none;
}
.progress-best {
  position: absolute; top: -2px; bottom: -2px; width: 2px;
  background: var(--c-amber);
  box-shadow: 0 0 10px var(--c-amber);
  opacity: .9; display: none;
}
.hud-meta {
  display: flex; align-items: baseline; gap: 12px;
  margin-top: 6px;
  font-size: clamp(11px, 1.5vw, 14px);
  text-transform: uppercase;
  color: var(--c-dim);
  text-shadow: 0 0 12px rgba(0,0,0,.9);
}
.hud-level { color: var(--c-cyan); letter-spacing: .18em; }
.hud-pct {
  margin-left: auto; color: #fff;
  font-size: clamp(16px, 2.4vw, 22px);
  text-shadow: 0 0 14px rgba(35,240,255,.9);
  font-variant-numeric: tabular-nums;
}
.practice-flag {
  position: absolute; top: max(12px, env(safe-area-inset-top)); left: 50%;
  transform: translateX(-50%);
  padding: 3px 12px; border-radius: 999px;
  font-size: 11px; letter-spacing: .3em;
  color: var(--c-lime);
  border: 1px solid rgba(182,255,61,.45);
  background: rgba(10,25,5,.5);
  box-shadow: 0 0 16px rgba(182,255,61,.25);
}
.fps {
  position: absolute; right: 14px; bottom: 12px;
  font-size: 12px; color: var(--c-dim);
  font-variant-numeric: tabular-nums;
}

.icon-btn {
  position: absolute;
  top: max(10px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  width: 46px; height: 46px;
  pointer-events: auto;
  display: grid; place-items: center;
  border-radius: 12px;
  border: 1px solid rgba(120,160,255,.3);
  background: rgba(10, 8, 30, .55);
  backdrop-filter: blur(8px);
  color: var(--c-cyan);
  cursor: pointer;
  transition: transform .12s ease, box-shadow .2s ease, background .2s;
}
.icon-btn svg { width: 20px; height: 20px; fill: currentColor; }
.icon-btn:hover { background: rgba(35,240,255,.14); box-shadow: 0 0 22px rgba(35,240,255,.35); }
.icon-btn:active { transform: scale(.93); }

/* ====================== SCREENS ====================== */
#screens { position: absolute; inset: 0; pointer-events: none; }

.screen {
  position: absolute; inset: 0;
  display: none;
  place-items: center;
  padding: 18px;
  pointer-events: auto;
  /* Deckend genug, damit Text auch über hellen Neon-Szenen lesbar ist
     (backdrop-filter ist nicht überall verfügbar).                    */
  background: radial-gradient(ellipse at 50% 45%, rgba(9, 4, 30, .88), rgba(2, 1, 8, .96));
  backdrop-filter: blur(var(--ui-blur));
  -webkit-backdrop-filter: blur(var(--ui-blur));
  animation: fadeIn .18s ease both;
  overflow-y: auto;
}
.screen.active { display: grid; }
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }

.panel {
  width: min(440px, 100%);
  padding: 26px 26px 22px;
  border-radius: 22px;
  background: linear-gradient(160deg, rgba(24, 16, 62, .97), rgba(7, 4, 22, .99));
  border: 1px solid rgba(138, 91, 255, .38);
  box-shadow: 0 0 60px rgba(90, 40, 200, .35), inset 0 1px 0 rgba(255,255,255,.08);
  text-align: center;
  animation: popIn .24s cubic-bezier(.2,1.2,.4,1) both;
  max-height: 100%;
}
.panel.wide { width: min(620px, 100%); }
@keyframes popIn { from { opacity: 0; transform: translateY(14px) scale(.97) } to { opacity: 1; transform: none } }

/* Im Menü darf die Attract-Demo durchschimmern … */
#screen-menu { background: radial-gradient(ellipse at 50% 45%, rgba(7, 3, 26, .62), rgba(2, 1, 8, .9)); }
/* … und beim Tod bleibt die Absturzstelle sichtbar. */
#screen-death { background: radial-gradient(ellipse at 50% 45%, rgba(26, 3, 14, .7), rgba(3, 1, 6, .93)); }

.logo {
  font-size: clamp(40px, 9vw, 74px);
  line-height: .92;
  letter-spacing: .06em;
  font-weight: 800;
  margin-bottom: 4px;
}
.logo-n { color: #fff; text-shadow: 0 0 8px var(--c-cyan), 0 0 26px var(--c-cyan), 0 0 60px rgba(35,240,255,.6); }
.logo-p { color: #fff; text-shadow: 0 0 8px var(--c-magenta), 0 0 26px var(--c-magenta), 0 0 60px rgba(255,47,185,.55); margin-left: .12em; }
.tagline { color: var(--c-dim); font-size: 13px; letter-spacing: .28em; text-transform: uppercase; margin-bottom: 22px; }

.panel-title {
  font-size: clamp(20px, 3.4vw, 28px);
  letter-spacing: .28em;
  margin-bottom: 16px;
  color: var(--c-cyan);
  text-shadow: 0 0 18px rgba(35,240,255,.6);
}
.panel-title.fail { color: var(--c-red); text-shadow: 0 0 20px rgba(255,59,92,.7); }
.panel-title.win  { color: var(--c-lime); text-shadow: 0 0 20px rgba(182,255,61,.7); }
.sub-title { font-size: 13px; letter-spacing: .3em; color: var(--c-dim); margin: 18px 0 10px; }

.btn-col { display: grid; gap: 10px; margin-top: 6px; }
.btn-row { display: flex; gap: 10px; margin-top: 16px; }
.btn-row .btn { flex: 1; }

.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 20px;
  font: inherit; font-size: 15px; letter-spacing: .2em;
  color: var(--c-text);
  text-transform: uppercase;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(138, 160, 255, .34);
  border-radius: var(--r);
  cursor: pointer;
  transition: transform .1s ease, box-shadow .2s ease, background .2s ease, border-color .2s;
}
.btn .ico { width: 18px; height: 18px; fill: currentColor; }
.btn:hover { background: rgba(35,240,255,.12); border-color: var(--c-cyan); box-shadow: 0 0 26px rgba(35,240,255,.28); }
.btn:active { transform: scale(.97); }
.btn:focus-visible { outline: 2px solid var(--c-cyan); outline-offset: 3px; }

.btn-primary {
  background: linear-gradient(100deg, rgba(35,240,255,.2), rgba(138,91,255,.28));
  border-color: rgba(35,240,255,.7);
  color: #fff;
  box-shadow: 0 0 26px rgba(35,240,255,.28), inset 0 0 18px rgba(35,240,255,.1);
}
.btn-primary:hover { box-shadow: 0 0 40px rgba(35,240,255,.5); }
.btn.big { padding: 17px 22px; font-size: 18px; }
.btn-ghost { border-color: rgba(140,150,190,.22); color: var(--c-dim); }
.btn-ghost:hover { color: var(--c-text); }

.credits { margin-top: 20px; font-size: 11px; letter-spacing: .16em; color: rgba(127,139,181,.6); }

/* ===================== LEVEL LIST ==================== */
.level-list { display: grid; gap: 12px; margin-bottom: 16px; }
.level-card {
  position: relative;
  display: grid;
  grid-template-columns: 54px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 16px;
  text-align: left;
  cursor: pointer;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(138,160,255,.22);
  color: inherit; font: inherit;
  overflow: hidden;
  transition: transform .12s ease, box-shadow .2s, border-color .2s, background .2s;
}
.level-card:hover { transform: translateX(3px); border-color: var(--lvl-col, var(--c-cyan)); box-shadow: 0 0 30px color-mix(in srgb, var(--lvl-col, #23f0ff) 35%, transparent); }
.level-card:active { transform: scale(.985); }
.level-num {
  display: grid; place-items: center;
  width: 46px; height: 46px; border-radius: 12px;
  font-size: 20px; font-weight: 800;
  color: var(--lvl-col, var(--c-cyan));
  border: 1px solid color-mix(in srgb, var(--lvl-col, #23f0ff) 55%, transparent);
  background: color-mix(in srgb, var(--lvl-col, #23f0ff) 12%, transparent);
  box-shadow: 0 0 20px color-mix(in srgb, var(--lvl-col, #23f0ff) 30%, transparent);
}
.level-info b { display: block; font-size: 17px; letter-spacing: .14em; }
.level-info span { font-size: 11px; letter-spacing: .18em; color: var(--c-dim); text-transform: uppercase; }
.level-bar { position: absolute; left: 0; bottom: 0; height: 3px; background: var(--lvl-col, var(--c-cyan)); box-shadow: 0 0 10px var(--lvl-col, var(--c-cyan)); }
.level-score { text-align: right; font-size: 20px; color: #fff; font-variant-numeric: tabular-nums; }
.level-score em { display: block; font-size: 10px; font-style: normal; color: var(--c-dim); letter-spacing: .2em; }
.level-score.done { color: var(--c-lime); text-shadow: 0 0 14px rgba(182,255,61,.6); }

/* ====================== SETTINGS ===================== */
.setting { text-align: left; margin-bottom: 16px; }
.setting label {
  display: flex; justify-content: space-between;
  font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--c-dim); margin-bottom: 8px;
}
.setting output { color: var(--c-cyan); font-variant-numeric: tabular-nums; }

input[type=range] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px; border-radius: 4px;
  background: linear-gradient(90deg, var(--c-violet), var(--c-cyan));
  outline: none; cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; border: 2px solid var(--c-cyan);
  box-shadow: 0 0 16px rgba(35,240,255,.9);
  cursor: pointer;
}
input[type=range]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--c-cyan);
  background: #fff; box-shadow: 0 0 16px rgba(35,240,255,.9); cursor: pointer;
}

select {
  width: 100%; padding: 11px 12px;
  font: inherit; font-size: 14px;
  color: var(--c-text);
  background: rgba(10,8,30,.85);
  border: 1px solid rgba(138,160,255,.3);
  border-radius: 10px; cursor: pointer;
}

.switch-row {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 2px; cursor: pointer; text-align: left;
}
.switch-row input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch {
  flex: none; width: 46px; height: 26px; border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(138,160,255,.3);
  position: relative; transition: background .18s, border-color .18s, box-shadow .18s;
}
.switch::after {
  content: ''; position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--c-dim); transition: transform .18s cubic-bezier(.3,1.4,.5,1), background .18s;
}
.switch-row input:checked + .switch { background: rgba(35,240,255,.2); border-color: var(--c-cyan); box-shadow: 0 0 18px rgba(35,240,255,.35); }
.switch-row input:checked + .switch::after { transform: translateX(20px); background: var(--c-cyan); box-shadow: 0 0 12px var(--c-cyan); }
.switch-row input:focus-visible + .switch { outline: 2px solid var(--c-cyan); outline-offset: 3px; }
.switch-label { font-size: 14px; letter-spacing: .1em; }
.switch-label em { display: block; font-style: normal; font-size: 11px; color: var(--c-dim); letter-spacing: .12em; }

/* ======================= STATS ======================= */
.stat-line {
  display: flex; justify-content: space-between;
  font-size: 12px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--c-dim); margin: 4px 0 18px;
}
.big-pct {
  font-size: clamp(46px, 12vw, 76px); font-weight: 800; line-height: 1;
  color: #fff; text-shadow: 0 0 26px rgba(255,59,92,.55);
  font-variant-numeric: tabular-nums; margin: 4px 0 6px;
}
.big-pct.win { text-shadow: 0 0 30px rgba(182,255,61,.6); }
.hint { margin-top: 14px; font-size: 11px; letter-spacing: .16em; color: rgba(127,139,181,.72); }

kbd {
  display: inline-block; min-width: 30px; padding: 4px 9px;
  font: inherit; font-size: 12px;
  border-radius: 7px; background: rgba(255,255,255,.06);
  border: 1px solid rgba(138,160,255,.32);
  box-shadow: 0 2px 0 rgba(0,0,0,.4);
  color: var(--c-cyan);
}
.keys { display: grid; gap: 10px; text-align: left; }
.key-row { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--c-dim); }
.key-row span { margin-left: 6px; }

.modes { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; text-align: left; margin-bottom: 18px; }
.mode-card {
  padding: 10px 12px; border-radius: 12px;
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(138,160,255,.18);
  display: grid; grid-template-columns: 22px 1fr; grid-auto-rows: auto; gap: 2px 10px;
}
.mode-card b { font-size: 13px; letter-spacing: .12em; }
.mode-card span { grid-column: 2; font-size: 11px; color: var(--c-dim); letter-spacing: .06em; }
.mode-card .sw { grid-row: span 2; width: 18px; height: 18px; align-self: center; border-radius: 4px; }
.sw.cube  { background: var(--c-cyan);    box-shadow: 0 0 14px var(--c-cyan); }
.sw.ship  { background: var(--c-magenta); box-shadow: 0 0 14px var(--c-magenta); clip-path: polygon(0 0, 100% 50%, 0 100%); border-radius: 0; }
.sw.grav  { background: var(--c-violet);  box-shadow: 0 0 14px var(--c-violet); border-radius: 50%; }
.sw.speed { background: var(--c-lime);    box-shadow: 0 0 14px var(--c-lime); clip-path: polygon(35% 0,100% 0,65% 100%,0 100%); border-radius: 0; }
.sw.pad   { background: var(--c-amber);   box-shadow: 0 0 14px var(--c-amber); height: 8px !important; }
.sw.ring  { border: 3px solid var(--c-amber); box-shadow: 0 0 14px var(--c-amber); border-radius: 50%; background: transparent; }

/* ================== ROTATE / LOADING ================= */
/* Hinweisband — blockiert das Spiel NICHT, Hochformat bleibt spielbar. */
.rotate-hint {
  position: absolute; z-index: 40;
  left: 50%; bottom: max(14px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  display: flex; align-items: center; gap: 12px;
  padding: 8px 16px; border-radius: 999px;
  background: rgba(4,2,14,.86);
  border: 1px solid rgba(35,240,255,.32);
  box-shadow: 0 0 24px rgba(35,240,255,.18);
  text-align: left; pointer-events: none;
  font-size: 11px; letter-spacing: .14em; color: var(--c-dim); text-transform: uppercase;
}
.rotate-hint p { max-width: 34ch; }
.rotate-hint[hidden] { display: none; }
.rotate-icon {
  flex: none;
  width: 18px; height: 30px; border-radius: 5px;
  border: 2px solid var(--c-cyan); box-shadow: 0 0 14px rgba(35,240,255,.5);
  animation: rotatePhone 2.2s ease-in-out infinite;
}
@keyframes rotatePhone {
  0%, 35% { transform: rotate(0) } 55%, 90% { transform: rotate(-90deg) } 100% { transform: rotate(0) }
}

.loading {
  position: absolute; inset: 0; z-index: 60;
  display: grid; place-items: center; align-content: center; gap: 18px;
  background: var(--c-bg);
  font-size: 12px; letter-spacing: .32em; color: var(--c-dim);
  transition: opacity .4s ease;
}
.loading.done { opacity: 0; pointer-events: none; }
.loading-bar {
  width: min(240px, 60vw); height: 3px; border-radius: 3px;
  background: rgba(255,255,255,.08); overflow: hidden; position: relative;
}
.loading-bar::after {
  content: ''; position: absolute; inset: 0; width: 40%;
  background: linear-gradient(90deg, transparent, var(--c-cyan), transparent);
  animation: slide 1.1s linear infinite;
}
@keyframes slide { from { transform: translateX(-100%) } to { transform: translateX(280%) } }

@media (max-width: 520px) {
  .panel { padding: 20px 18px 18px; border-radius: 18px; }
  .btn { padding: 12px 16px; font-size: 14px; }
  .hud-bar { max-width: 64vw; }
}
@media (prefers-reduced-motion: reduce) {
  .screen, .panel, .rotate-icon, .loading-bar::after { animation: none !important; }
}