:root {
  --bg: #0f1020;
  --bg-2: #1a1640;
  --text: #f3f4ff;
  --muted: #a3a6c7;
  --card: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.12);
  --accent-1: #7c5cff;
  --accent-2: #ff4fa3;
  --accent-3: #22d3ee;
  --ok: #34d399;
  --warn: #fbbf24;

  --facebook: #1877f2;
  --instagram: linear-gradient(45deg, #f58529, #dd2a7b 50%, #8134af);
  --linkedin: #0a66c2;
  --tiktok: linear-gradient(90deg, #25f4ee, #fe2c55);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background:
    radial-gradient(60vmax 60vmax at 10% -10%, rgba(124, 92, 255, 0.35), transparent 60%),
    radial-gradient(50vmax 50vmax at 110% 110%, rgba(255, 79, 163, 0.28), transparent 60%),
    linear-gradient(160deg, var(--bg), var(--bg-2));
  background-attachment: fixed;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

[hidden] {
  display: none !important;
}

.stage {
  min-height: 100vh;
  min-height: 100dvh;
  max-width: 560px;
  margin: 0 auto;
  padding: calc(env(safe-area-inset-top) + 32px) 16px calc(env(safe-area-inset-bottom) + 32px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

/* ---------- Brand ---------- */
.brand {
  text-align: center;
}
.brand h1 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--accent-3), var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand p {
  margin: 6px 0 14px;
  color: var(--muted);
}
.chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}
.chip {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--muted);
}

/* ---------- Paste button ---------- */
.paste-btn {
  position: relative;
  width: 168px;
  height: 168px;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(140deg, var(--accent-1), var(--accent-2));
  box-shadow:
    0 20px 50px -10px rgba(124, 92, 255, 0.65),
    inset 0 2px 0 rgba(255, 255, 255, 0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font: inherit;
  transition: transform 0.15s ease;
  touch-action: manipulation;
}
.paste-btn:hover {
  transform: translateY(-2px);
}
.paste-btn:active {
  transform: scale(0.95);
}
.paste-btn:focus-visible {
  outline: 3px solid var(--accent-3);
  outline-offset: 6px;
}
.paste-btn__icon {
  width: 46px;
  height: 46px;
  fill: currentColor;
}
.paste-btn__label {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.paste-btn__ring {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 2px solid rgba(124, 92, 255, 0.5);
  animation: pulse 2.4s ease-out infinite;
  pointer-events: none;
}
.paste-btn.is-pressed .paste-btn__ring {
  animation: burst 0.5s ease-out, pulse 2.4s ease-out 0.5s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    opacity: 0.9;
  }
  100% {
    transform: scale(1.25);
    opacity: 0;
  }
}
@keyframes burst {
  0% {
    transform: scale(0.9);
    opacity: 1;
    border-color: var(--accent-3);
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* ---------- Messages ---------- */
.message {
  max-width: 100%;
  text-align: center;
  padding: 12px 18px;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--muted);
}
.message--warn {
  color: var(--warn);
  border-color: rgba(251, 191, 36, 0.35);
  background: rgba(251, 191, 36, 0.08);
}
.message.is-anim {
  animation: shake 0.4s ease;
}
@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-6px);
  }
  75% {
    transform: translateX(6px);
  }
}

/* ---------- Manual fallback ---------- */
.manual {
  width: 100%;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}
.manual__row {
  display: flex;
  gap: 8px;
}
.manual input {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font: inherit;
  font-size: 16px; /* prevents iOS zoom */
}
.manual button {
  padding: 0 18px;
  border: 0;
  border-radius: 12px;
  font: inherit;
  font-weight: 700;
  color: #fff;
  background: var(--accent-1);
  cursor: pointer;
}

/* ---------- Result ---------- */
.result {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}
.result.is-anim .card {
  animation: rise 0.45s cubic-bezier(0.2, 0.9, 0.3, 1.2) both;
}
.result.is-anim .card--clean {
  animation-delay: 0.12s;
}
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.card {
  position: relative;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.card__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.card__url {
  display: block;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.45;
  word-break: break-all;
}
.card--original .card__url {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: rgba(255, 79, 163, 0.6);
  opacity: 0.85;
}

.card--clean {
  border: 1px solid transparent;
  background:
    linear-gradient(var(--bg-2), var(--bg-2)) padding-box,
    linear-gradient(120deg, var(--accent-3), var(--accent-1), var(--accent-2)) border-box;
  box-shadow: 0 16px 40px -18px rgba(34, 211, 238, 0.6);
}
.card--clean .card__label {
  color: var(--accent-3);
}
.card--clean .card__url {
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: none;
}
.card__saved {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ok);
}

.copy-btn {
  margin-top: 12px;
  width: 100%;
  padding: 11px;
  border: 0;
  border-radius: 12px;
  font: inherit;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  cursor: pointer;
  transition: background 0.2s;
}
.copy-btn.is-copied {
  background: linear-gradient(90deg, #10b981, var(--ok));
}

.arrow {
  display: flex;
  justify-content: center;
}
.arrow svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--accent-3);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  color: #fff;
}
.badge--facebook {
  background: var(--facebook);
}
.badge--instagram {
  background: var(--instagram);
}
.badge--linkedin {
  background: var(--linkedin);
}
.badge--tiktok {
  background: var(--tiktok);
  color: #111;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + 24px);
  transform: translate(-50%, 30px);
  opacity: 0;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.95);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
  pointer-events: none;
  white-space: nowrap;
}
.toast.is-visible {
  transform: translate(-50%, 0);
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}