/* public/css/base.css */
* {
  -webkit-tap-highlight-color: transparent;
  box-sizing: border-box;
  user-select: none;
}

html, body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
}

/* Full size Mini App + safe-area */
body {
  padding:
    env(safe-area-inset-top)
    env(safe-area-inset-right)
    env(safe-area-inset-bottom)
    env(safe-area-inset-left);

  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  transition: background .35s ease, color .25s ease;
}

/* fullscreen container */
.screen {
  height: var(--tg-viewport-stable-height, var(--tg-viewport-height, 100vh));
  width: 100vw;
  display: grid;
  place-items: center;
  padding: 18px;
}

/* Card */
.card {
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  max-width: 420px;
  width: min(92vw, 420px);
  border-radius: 1rem;
  padding: 1.5rem;
  transform: translateY(6px);
  animation: cardIn .45s ease forwards;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(14px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Brand */
.brand { font-weight: 700; letter-spacing: .4px; color: var(--brand); opacity: .92; font-size: 1.5rem; }
.brand span { opacity: .6; }

/* Icon */
.icon-wrapper {
  width: 64px; height: 64px; border-radius: 9999px;
  background: var(--primary); color: var(--primary-text);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
  animation: pop .5s ease;
}
@keyframes pop { from { transform: scale(.86); opacity:.4; } to { transform: scale(1); opacity:1; } }

/* Typography */
.title { font-size: 1.25rem; font-weight: 650; }
.subtitle { font-size: .875rem; color: var(--muted); }

/* PIN dots */
.pin-dot {
  width: 18px; height: 18px; border-radius: 9999px;
  border: 2px solid var(--dot-border);
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.pin-dot.filled {
  background: var(--dot-fill);
  border-color: var(--dot-fill);
  transform: scale(1.18);
}

/* Error shake */
.card.shake { animation: shake .35s ease; }
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20% { transform: translateX(-10px); }
  40% { transform: translateX(10px); }
  60% { transform: translateX(-7px); }
  80% { transform: translateX(7px); }
}

/* Keys */
.key {
  height: 56px;
  border-radius: 14px;
  background: var(--key-bg);
  color: var(--text);
  font-size: 1.125rem;
  font-weight: 650;
  box-shadow: var(--shadow-sm);
  transition: transform .12s ease, background .15s ease, opacity .15s ease;
  border: none;
  outline: none;
  cursor: pointer;
  touch-action: manipulation;
}
.key:active { transform: scale(.94); }

@media (hover: hover) and (pointer: fine) {
  .key:hover { background: var(--key-hover); }
}

.key.danger { background: var(--danger-bg); color: var(--danger); }
.key.soft { background: var(--key-hover); color: var(--muted); }

/* icons should not catch clicks */
.key i { pointer-events: none; }

/* Error */
.error { margin-top: 1rem; font-size: .875rem; color: var(--danger); min-height: 1.1em; }
.error.hidden { opacity: 0; }

/* Theme toggle */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--key-bg);
  color: var(--muted);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .15s ease, color .15s ease;
  cursor: pointer;
  border: none;
  outline: none;
  touch-action: manipulation;
  z-index: 50;
  position: absolute;
  top: 1rem;
  right: 1rem;
}
.theme-toggle:active { transform: scale(.94); }

@media (hover: hover) and (pointer: fine) {
  .theme-toggle:hover { color: var(--text); }
}

.theme-toggle i { pointer-events: none; }

/* Footer */
.footer { font-size: .75rem; color: var(--muted); opacity: .7; }