/* Love Colors — main.css
 * Reset, design tokens, shared components (buttons, stars, overlays, toast).
 */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg0: #160d2e;
  --bg1: #241443;
  --bg2: #341a52;
  --panel: rgba(255, 255, 255, 0.07);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 255, 255, 0.28);
  --text: #f4ecff;
  --muted: #b9aad6;
  --pink: #ff5e9c;
  --pink-soft: #ffb3d1;
  --violet: #8b5cf6;
  --cyan: #5eead4;
  --gold: #ffc44d;
  --danger: #ff5964;
  --good: #35e0a4;
  --paper: #ffffff;
  --ink: #2b2036;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Gill Sans", sans-serif;
  --font-display: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  position: fixed;
  inset: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 85% -10%, rgba(139, 92, 246, 0.28), transparent 60%),
    radial-gradient(1000px 700px at -10% 110%, rgba(255, 94, 156, 0.22), transparent 55%),
    linear-gradient(160deg, var(--bg0) 0%, var(--bg1) 55%, var(--bg2) 100%);
  -webkit-font-smoothing: antialiased;
}

button {
  font-family: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

.hidden { display: none !important; }

#app { position: relative; width: 100%; height: 100%; z-index: 2; }

#bgCanvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
}

.screen {
  position: fixed;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
  overflow: hidden;
}

.screen.active { opacity: 1; pointer-events: auto; }

/* ---------------- typography helpers ---------------- */

.brand-title {
  font-family: var(--font-display);
  font-size: clamp(38px, 9vw, 84px);
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 0.95;
  text-transform: uppercase;
  background: linear-gradient(120deg, #ffd6e4 0%, var(--pink) 35%, var(--violet) 75%, #b7a7ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 4px 18px rgba(255, 94, 156, 0.35));
}

.brand-title span {
  display: inline-block;
  animation: floaty 3.4s ease-in-out infinite;
  animation-delay: 0.3s;
  color: transparent;
  background: inherit;
  -webkit-background-clip: text;
  background-clip: text;
}

.brand-sub {
  margin-top: 8px;
  color: var(--muted);
  letter-spacing: 0.34em;
  text-transform: uppercase;
  font-size: clamp(10px, 2.2vw, 13px);
  font-weight: 600;
}

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ---------------- buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 26px;
  border-radius: 999px;
  border: 2px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: transform 0.12s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

.btn:hover { transform: translateY(-2px); }

.btn:active { transform: translateY(0) scale(0.97); }

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn:focus-visible,
.tool-btn:focus-visible,
.sw:focus-visible,
.cat-card:focus-visible,
.lvl-card:focus-visible,
.btn-icon:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(120deg, var(--pink) 0%, var(--violet) 100%);
  border-color: transparent;
  box-shadow: 0 10px 26px rgba(255, 94, 156, 0.35);
  color: #fff;
}

.btn-primary:hover {
  box-shadow: 0 14px 34px rgba(255, 94, 156, 0.5);
}

.btn-secondary {
  background: var(--panel-strong);
  border-color: rgba(255, 255, 255, 0.22);
}

.btn-secondary:hover { background: rgba(255, 255, 255, 0.18); }

.btn-ghost { background: transparent; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); }

.btn-danger {
  background: linear-gradient(120deg, #ff5964, #b5303a);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 10px 24px rgba(255, 89, 100, 0.4);
}

.danger-text { color: #ff8b93; }

.btn-icon {
  min-height: 42px;
  min-width: 42px;
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 12px;
  border-color: var(--line-strong);
  background: var(--panel);
}

.btn-icon:hover { background: var(--panel-strong); }

.btn .btn-label { display: block; }

.btn .btn-sub {
  display: block;
  margin-top: 3px;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  opacity: 0.85;
}

/* ---------------- stars ---------------- */

.star {
  --sw: 26px;
  width: var(--sw);
  height: var(--sw);
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  clip-path: polygon(
    50% 0%, 61% 35%, 98% 35%, 68% 57%,
    79% 91%, 50% 70%, 21% 91%, 32% 57%,
    2% 35%, 39% 35%
  );
  transition: background 0.2s ease, transform 0.2s ease;
}

.star.lit {
  background: linear-gradient(180deg, #ffe88a, #ffb440);
  filter: drop-shadow(0 0 8px rgba(255, 196, 77, 0.8));
}

.star.big { --sw: 44px; }

.star.big.lit { animation: pop 0.4s ease; }

@keyframes pop {
  0% { transform: scale(0.3) rotate(-30deg); }
  60% { transform: scale(1.25) rotate(6deg); }
  100% { transform: scale(1) rotate(0); }
}

/* ---------------- panels & overlays ---------------- */

.panel {
  background: linear-gradient(165deg, rgba(56, 30, 94, 0.92), rgba(30, 16, 56, 0.94));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.panel-title {
  font-family: var(--font-display);
  text-align: center;
  font-size: clamp(22px, 5vw, 34px);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease;
}

.overlay.open { opacity: 1; pointer-events: auto; }

.overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 5, 24, 0.62);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.overlay-card {
  position: relative;
  width: min(480px, 94vw);
  max-height: 92vh;
  padding: 26px 26px 22px;
  animation: cardIn 0.32s cubic-bezier(0.22, 1.2, 0.36, 1);
}

@keyframes cardIn {
  from { transform: translateY(26px) scale(0.94); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.overlay-btns {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 18px;
}

.overlay-btns .btn { width: 100%; }

/* ---------------- toast ---------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  transform: translate(-50%, 20px);
  background: rgba(20, 10, 40, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 80;
  max-width: 86vw;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------------- loading ---------------- */

.menu-wrap { display: flex; flex-direction: column; align-items: center; }

.loading-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.brand-mark {
  display: inline-block;
  width: 76px;
  height: 66px;
  background:
    radial-gradient(circle at 30% 28%, #fff 0 7%, transparent 8%),
    linear-gradient(120deg, var(--pink), var(--violet));
  clip-path: polygon(50% 100%, 0 40%, 12% 0, 50% 22%, 88% 0, 100% 40%);
  border-radius: 14px;
  filter: drop-shadow(0 8px 22px rgba(255, 94, 156, 0.5));
  animation: heartbeat 1.4s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  12% { transform: scale(1.12); }
  24% { transform: scale(1); }
  36% { transform: scale(1.1); }
  48% { transform: scale(1); }
}

.loading-bar {
  width: min(300px, 72vw);
  height: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.15);
  overflow: hidden;
  margin-top: 10px;
}

#loading-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--pink), var(--violet), var(--cyan));
  background-size: 200% 100%;
  animation: slidebar 1.2s linear infinite;
  transition: width 0.16s ease;
}

@keyframes slidebar {
  from { background-position: 0% 0; }
  to { background-position: 200% 0; }
}

.loading-label {
  color: var(--muted);
  letter-spacing: 0.26em;
  text-transform: uppercase;
  font-size: 12px;
}

/* ---------------- shared page --------------- */

.page {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  max-width: 1100px;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}

.page-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 4.5vw, 30px);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  flex: 1;
}

.page-spacer { width: 42px; }

/* ---------------- grids ---------------- */

.grid {
  flex: 1;
  overflow-y: auto;
  display: grid;
  gap: 14px;
  align-content: start;
  padding-bottom: 18px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
}

/* ---------------- accessibility ---------------- */

:focus-visible { outline-color: var(--cyan); }

@media (prefers-reduced-motion: reduce) {
  .brand-mark, .brand-title span, .overlay-card.anim-pop, .star.big.lit {
    animation: none !important;
  }
  .screen { transition: none; }
  .overlay { transition: none; }
}

body.reduced-motion .brand-mark,
body.reduced-motion .brand-title span,
body.reduced-motion .overlay-card.anim-pop,
body.reduced-motion .star.big.lit {
  animation: none !important;
}