/* Wasteland Rush — UI stylesheet */

:root {
  --cyan: #4be1ff;
  --green: #7dff5a;
  --orange: #ff9a3c;
  --rust: #c8641e;
  --ink: #0d0714;
  --panel: rgba(16, 9, 26, 0.86);
  --text: #efe9f4;
  --dim: #a99db8;
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
  --sar: env(safe-area-inset-right, 0px);
}

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

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--ink);
  font-family: "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}

#app { position: fixed; inset: 0; touch-action: none; }

#game { position: absolute; inset: 0; display: block; }

.layer { position: absolute; inset: 0; pointer-events: none; }
.hidden { display: none !important; }

/* ------------------------------------------------------------------- HUD */

#hud { z-index: 5; }

#hud-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: calc(12px + var(--sat)) calc(16px + var(--sar)) 0 calc(16px + var(--sal));
}

#score-box {
  text-align: left;
  background: linear-gradient(160deg, rgba(16, 9, 26, 0.6), rgba(16, 9, 26, 0.3));
  border: 1px solid rgba(120, 220, 255, 0.18);
  border-radius: 14px;
  padding: 4px 16px 7px 12px;
}

#score {
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #fff;
  text-shadow: 0 0 14px rgba(75, 225, 255, 0.55), 0 2px 4px rgba(0,0,0,0.6);
  font-variant-numeric: tabular-nums;
}
#score.pulse { animation: score-pop 0.45s ease-out; }
@keyframes score-pop {
  0% { transform: scale(1); }
  35% { transform: scale(1.18); color: #bdf3ff; }
  100% { transform: scale(1); }
}
.reduced-motion #score.pulse { animation: none; }

#mult {
  font-size: clamp(13px, 2.2vw, 17px);
  font-weight: 700;
  color: var(--orange);
  text-shadow: 0 1px 3px rgba(0,0,0,0.7);
  letter-spacing: 0.12em;
}

#daily-tag {
  margin-top: 6px;
  font-size: clamp(10px, 1.8vw, 13px);
  font-weight: 800;
  letter-spacing: 0.24em;
  color: var(--green);
  text-shadow: 0 0 10px rgba(125, 255, 90, 0.6);
}

#hud-right { display: flex; align-items: center; gap: 12px; }

#cells-box {
  display: flex; align-items: center; gap: 7px;
  background: rgba(10, 20, 12, 0.55);
  border: 1px solid rgba(125, 255, 90, 0.35);
  border-radius: 999px;
  padding: 5px 14px 5px 9px;
  font-weight: 800;
  font-size: clamp(15px, 2.6vw, 19px);
  font-variant-numeric: tabular-nums;
}
.cell-ico { width: 18px; height: 18px; }

#btn-pause {
  pointer-events: auto;
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(16, 9, 26, 0.55);
  color: var(--text);
  cursor: pointer;
  display: grid; place-items: center;
}
#btn-pause svg { width: 20px; height: 20px; }
#btn-pause:active { transform: scale(0.94); }

#powerups {
  position: absolute;
  top: calc(76px + var(--sat));
  right: calc(16px + var(--sar));
  display: flex; flex-direction: column; gap: 8px;
}

.chip {
  min-width: 108px;
  padding: 6px 10px;
  border-radius: 10px;
  background: rgba(10, 8, 20, 0.7);
  border: 1px solid rgba(255,255,255,0.16);
}
.chip-shield { border-color: rgba(75, 225, 255, 0.45); box-shadow: 0 0 12px rgba(75, 225, 255, 0.2); }
.chip-magnet { border-color: rgba(125, 255, 90, 0.45); box-shadow: 0 0 12px rgba(125, 255, 90, 0.2); }
.chip-boost  { border-color: rgba(255, 154, 60, 0.5);  box-shadow: 0 0 12px rgba(255, 154, 60, 0.25); }
.chip-label { font-size: 10px; font-weight: 800; letter-spacing: 0.18em; }
.chip-shield .chip-label { color: var(--cyan); }
.chip-magnet .chip-label { color: var(--green); }
.chip-boost .chip-label { color: var(--orange); }
.chip-bar { height: 4px; border-radius: 2px; background: rgba(255,255,255,0.12); margin-top: 5px; overflow: hidden; }
.chip-fill { height: 100%; border-radius: 2px; width: 100%; }
.chip-shield .chip-fill { background: var(--cyan); }
.chip-magnet .chip-fill { background: var(--green); }
.chip-boost .chip-fill { background: var(--orange); }

#toasts {
  position: absolute;
  top: 34%;
  left: 0; right: 0;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.toast {
  font-size: clamp(15px, 3vw, 21px);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-shadow: 0 2px 6px rgba(0,0,0,0.8);
  animation: toast-rise 1s ease-out forwards;
}
.toast-cyan { color: var(--cyan); }
.toast-shield { color: var(--cyan); }
.toast-magnet { color: var(--green); }
.toast-boost, .toast-orange { color: var(--orange); }
@keyframes toast-rise {
  0% { opacity: 0; transform: translateY(10px) scale(0.9); }
  15% { opacity: 1; transform: translateY(0) scale(1.06); }
  30% { transform: scale(1); }
  75% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-16px); }
}
.reduced-motion .toast { animation: toast-fade 1s ease-out forwards; }
@keyframes toast-fade { 0% {opacity:0;} 15% {opacity:1;} 75% {opacity:1;} 100% {opacity:0;} }

/* --------------------------------------------------------- touch controls */

#touch-controls {
  z-index: 6;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 calc(18px + var(--sar)) calc(18px + var(--sab)) calc(18px + var(--sal));
}
.tc-cluster { display: flex; gap: 12px; pointer-events: none; }
.tc-right { flex-direction: column; }
#touch-controls button {
  pointer-events: auto;
  width: 62px; height: 62px;
  border-radius: 18px;
  border: 1px solid rgba(120, 220, 255, 0.35);
  background: rgba(14, 10, 26, 0.42);
  color: rgba(200, 240, 255, 0.9);
  display: grid; place-items: center;
  cursor: pointer;
}
#touch-controls button svg { width: 30px; height: 30px; }
#touch-controls button:active { background: rgba(75, 225, 255, 0.25); transform: scale(0.94); }

/* ---------------------------------------------------------------- screens */

.screen {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  padding: calc(16px + var(--sat)) 16px calc(16px + var(--sab));
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease, visibility 0.28s;
  z-index: 10;
  overflow-y: auto;
}
.screen.active { opacity: 1; visibility: visible; }
.screen.active .panel { transform: translateY(0); }
.screen-dim { background: rgba(8, 4, 14, 0.55); backdrop-filter: blur(3px); }
.screen-clear { pointer-events: none; background: none; }

.panel {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 22px;
  padding: clamp(20px, 4vw, 36px) clamp(20px, 5vw, 44px);
  max-width: 640px;
  width: 100%;
  max-height: 100%;
  overflow-y: auto;
  text-align: center;
  box-shadow: 0 24px 70px rgba(0,0,0,0.55), 0 0 0 1px rgba(75,225,255,0.06) inset;
  transform: translateY(14px);
  transition: transform 0.28s ease;
}
.panel-narrow { max-width: 420px; }

.reduced-motion .screen, .reduced-motion .panel { transition: none; }

h2 {
  font-size: clamp(21px, 4vw, 28px);
  letter-spacing: 0.22em;
  font-weight: 800;
  margin-bottom: 18px;
  color: #fff;
}

/* title */
.title {
  display: flex; flex-direction: column; line-height: 0.95;
  font-weight: 900;
  letter-spacing: 0.10em;
  margin-bottom: 6px;
}
.title span {
  font-size: clamp(34px, 7.5vw, 58px);
  background: linear-gradient(180deg, #ffd9a8 10%, var(--orange) 55%, #b3441a 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 3px 8px rgba(0,0,0,0.6));
  animation: title-glow 3.2s ease-in-out infinite;
}
@keyframes title-glow {
  0%, 100% { filter: drop-shadow(0 3px 8px rgba(0,0,0,0.6)); }
  50% { filter: drop-shadow(0 3px 8px rgba(0,0,0,0.6)) drop-shadow(0 0 14px rgba(255, 154, 60, 0.35)); }
}
.reduced-motion .title span { animation: none; }
@media (prefers-reduced-motion: reduce) { .title span { animation: none; } }
.title .title-rush {
  background: linear-gradient(180deg, #d8f9ff 5%, var(--cyan) 55%, #1173a8 95%);
  -webkit-background-clip: text;
  background-clip: text;
  letter-spacing: 0.34em;
  margin-left: 0.17em;
}
.tagline {
  color: var(--dim);
  letter-spacing: 0.3em;
  font-size: clamp(10px, 2vw, 13px);
  text-transform: uppercase;
  margin-bottom: 26px;
}

.menu-buttons { display: flex; flex-direction: column; gap: 10px; align-items: stretch; }

.btn {
  pointer-events: auto;
  font: inherit;
  font-weight: 700;
  font-size: clamp(15px, 2.6vw, 17px);
  letter-spacing: 0.08em;
  padding: 13px 26px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { background: rgba(255,255,255,0.12); }
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: linear-gradient(180deg, rgba(75,225,255,0.25), rgba(75,225,255,0.1));
  border-color: rgba(75, 225, 255, 0.65);
  color: #dff7ff;
  box-shadow: 0 0 18px rgba(75,225,255,0.22);
}
.btn-primary:hover { box-shadow: 0 0 26px rgba(75,225,255,0.4); background: linear-gradient(180deg, rgba(75,225,255,0.35), rgba(75,225,255,0.15)); }
.btn-ghost { background: none; border-color: rgba(255,255,255,0.14); color: var(--dim); }
.btn-danger { border-color: rgba(255, 110, 80, 0.5); color: #ffb4a0; margin-top: 18px; }
.btn-danger.armed { background: rgba(200, 60, 30, 0.35); color: #fff; border-color: #ff6e50; }

.menu-stats {
  display: flex; justify-content: center; gap: 34px;
  margin-top: 26px;
  font-variant-numeric: tabular-nums;
}
.menu-stats > div { display: flex; flex-direction: column; gap: 2px; }
.ms-label { font-size: 10px; letter-spacing: 0.26em; color: var(--dim); font-weight: 700; }
.menu-stats span:not(.ms-label) { font-size: 21px; font-weight: 800; color: #fff; }

/* tutorial */
.tut-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}
.tut-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 14px 10px;
}
.tut-card svg { width: 64px; height: 42px; margin-bottom: 6px; }
.tut-card h3 { font-size: 14px; letter-spacing: 0.06em; margin-bottom: 5px; color: #fff; }
.tut-card p { font-size: 12px; color: var(--dim); line-height: 1.5; }

/* countdown */
#count {
  font-size: clamp(76px, 18vw, 150px);
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 34px rgba(75,225,255,0.75), 0 4px 12px rgba(0,0,0,0.6);
  letter-spacing: 0.08em;
}
#count.pop { animation: count-pop 0.5s ease-out; }
@keyframes count-pop {
  0% { transform: scale(1.7); opacity: 0; }
  40% { transform: scale(1); opacity: 1; }
  100% { transform: scale(0.96); opacity: 1; }
}
.reduced-motion #count.pop { animation: none; }

/* results */
.res-mode { font-size: 11px; letter-spacing: 0.3em; color: var(--dim); font-weight: 700; margin-bottom: 8px; }
.new-best {
  color: var(--green);
  font-weight: 900;
  letter-spacing: 0.24em;
  font-size: 15px;
  text-shadow: 0 0 14px rgba(125,255,90,0.6);
  animation: pulse-best 1.2s ease-in-out infinite;
  margin-bottom: 2px;
}
@keyframes pulse-best { 0%,100% { opacity: 1; } 50% { opacity: 0.55; } }
.reduced-motion .new-best { animation: none; }
.res-score {
  font-size: clamp(44px, 10vw, 68px);
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 22px rgba(75,225,255,0.5);
  font-variant-numeric: tabular-nums;
  margin-bottom: 14px;
}
.res-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 9px 20px;
  margin-bottom: 14px;
}
.res-grid > div { display: flex; justify-content: space-between; font-size: 14px; font-weight: 700; }
.rg-label { color: var(--dim); font-weight: 600; }
.res-best { font-size: 13px; color: var(--dim); margin-bottom: 20px; font-weight: 700; }
.res-best span { color: var(--orange); }
.live-submit { display:grid; grid-template-columns:1fr 120px; gap:7px; margin:0 0 14px; }
.live-input { min-width:0; border:1px solid rgba(75,225,255,.28); border-radius:9px; padding:10px; color:#fff; background:rgba(4,8,20,.84); font:600 12px inherit; }
.live-submit #live-contact, .live-submit .btn, .live-submit p { grid-column:1 / -1; }
.live-submit .btn { margin:0; }
.live-submit p { color:var(--dim); font-size:10px; line-height:1.35; margin:0; }

/* high scores */
.score-head, .score-row {
  display: grid;
  grid-template-columns: 2em 1.4fr 1.2fr 1fr 1.2fr;
  gap: 6px;
  align-items: center;
  padding: 7px 10px;
  font-size: clamp(12px, 2.4vw, 14px);
  font-variant-numeric: tabular-nums;
}
.score-head { color: var(--dim); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700; }
.score-row { background: rgba(255,255,255,0.05); border-radius: 9px; margin-bottom: 5px; }
.score-row:first-child { border: 1px solid rgba(255, 154, 60, 0.45); }
.sr-rank { color: var(--dim); }
.sr-score { font-weight: 800; color: #fff; text-align: left; }
.sr-mode { color: var(--green); }
.sr-date, .sr-dist { color: var(--dim); }
.empty-note { color: var(--dim); padding: 18px 0; font-size: 14px; }
.scores-total { margin: 14px 0 18px; font-size: 13px; color: var(--dim); }
.scores-total span { color: var(--green); font-weight: 800; }

/* settings */
.setting-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 13px 4px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 15px; font-weight: 600;
  cursor: pointer;
}
.switch {
  appearance: none;
  width: 46px; height: 26px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  position: relative;
  cursor: pointer;
  transition: background 0.2s ease;
  flex-shrink: 0;
}
.switch::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #cfd6e2;
  transition: transform 0.18s ease, background 0.18s ease;
}
.switch:checked { background: rgba(75, 225, 255, 0.55); }
.switch:checked::after { transform: translateX(20px); background: #fff; }

/* small portrait screens: tighten panels */
@media (max-height: 740px) {
  .panel { padding: 16px 20px; border-radius: 16px; }
  h2 { margin-bottom: 10px; }
  .menu-buttons { gap: 7px; }
  .btn { padding: 10px 20px; }
  .tut-card svg { width: 48px; height: 32px; }
  .menu-stats { margin-top: 14px; }
  .tagline { margin-bottom: 14px; }
}