/* App shell: variables, layout, tabs, shared utilities */

/* ==============================================
   Chesterfield — Telegram Mini App
   Mobile-first, dark, minimal, premium
   ============================================== */

:root {
  /* Высота под табы: safe-area + topbar + tab-rail (для игры в Telegram) */
  --app-chrome-top: calc(max(14px, env(safe-area-inset-top, 0px)) + 68px);
  --app-vh: 100dvh;
  --bg:           #000000;
  --card:         #111111;
  --card-alt:     #0e0e0e;
  --surface:      #1a1a1a;
  --border:       rgba(255, 255, 255, 0.09);
  --border-mid:   rgba(255, 255, 255, 0.18);
  --text:         #ffffff;
  --text-dim:     rgba(255, 255, 255, 0.48);
  --text-muted:   rgba(255, 255, 255, 0.28);
  --radius-xl:    20px;
  --radius-lg:    14px;
  --radius-pill:  100px;
  --font:         "Onest", system-ui, -apple-system, sans-serif;
  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth:  cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-card:  0 4px 28px rgba(0, 0, 0, 0.55);
  --shadow-deep:  0 16px 64px rgba(0, 0, 0, 0.75);
}

/* ── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-tap-highlight-color: transparent;
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

/* ── Layout ────────────────────────────────── */
.scene {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding:
    max(14px, env(safe-area-inset-top))
    max(16px, env(safe-area-inset-right))
    max(36px, calc(env(safe-area-inset-bottom) + 20px))
    max(16px, env(safe-area-inset-left));
  animation: fadeUp 0.45s var(--ease-out) both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0);   }
}

@media (prefers-reduced-motion: reduce) {
  .scene { animation: none; }
}

/* ── Tabs ──────────────────────────────────── */
.topbar {
  margin-bottom: 16px;
}

.tab-rail {
  display: flex;
  padding: 4px;
  border-radius: var(--radius-pill);
  background: #161616;
  border: 1px solid var(--border);
}

.tab {
  flex: 1;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  padding: 12px 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.tab:active { opacity: 0.8; }

.tab-active {
  color: #000;
  background: #fff;
}

/* ── Hidden ────────────────────────────────── */
.hidden { display: none; }


/* ── Modal ─────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 16px;
}

.modal-backdrop.show { display: flex; }

.modal {
  width: 100%;
  max-width: 480px;
  background: #1c1c1c;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-deep);
  padding: 22px 20px 18px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.modal h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}

.modal p {
  margin: 4px 0 12px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.5;
}

.modal .code {
  display: flex;
  gap: 10px;
  align-items: center;
  background: rgba(0,0,0,0.35);
  border: 1px dashed rgba(255,255,255,0.22);
  padding: 12px 14px;
  border-radius: 12px;
  font-family: ui-monospace, Menlo, Monaco, monospace;
  color: #fff;
}

.modal .actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}

.btn {
  appearance: none;
  border: 0;
  border-radius: 12px;
  padding: 11px 16px;
  font-family: var(--font);
  font-weight: 700;
  cursor: pointer;
  font-size: 13px;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: #fff;
  color: #000;
  border-radius: var(--radius-pill);
  transition: background 0.2s, transform 0.1s;
}

.btn-primary:active { transform: scale(0.97); }

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.15);
}

.close-x {
  position: absolute;
  right: 12px;
  top: 12px;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--text-dim);
  cursor: pointer;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}

/* ── Win glow (celebrate) ──────────────────── */
.win-glow {
  position: absolute;
  inset: -8px;
  border-radius: 22px;
  pointer-events: none;
  background: conic-gradient(
    from 0deg,
    rgba(255,255,255,0.12),
    rgba(255,255,255,0.04),
    rgba(255,255,255,0.1)
  );
  opacity: 0;
  animation: glowIn 1.1s ease-out forwards;
}

@keyframes glowIn {
  0%   { opacity: 0;    filter: blur(16px); }
  60%  { opacity: 1;    filter: blur(8px);  }
  100% { opacity: 0.26; filter: blur(10px); }
}