/* ============================================================
   Modern dark "aurora glass" theme — violet/fuchsia/amber accent.
   ============================================================ */
:root {
  --bg-0: #0b0b16;
  --bg-1: #14132a;
  --glass: rgba(30, 28, 56, 0.55);
  --glass-line: rgba(255, 255, 255, 0.10);
  --ink: #f4f2ff;
  --muted: #a39fc4;
  --v1: #8b5cf6;   /* violet */
  --v2: #ec4899;   /* fuchsia */
  --v3: #f59e0b;   /* amber */
  --ok: #34d399;
  --ok-2: #10b981;
  --err: #fb7185;
  --grad: linear-gradient(135deg, var(--v1), var(--v2));
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  color: var(--ink);
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Inter, Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(60vw 50vh at 12% -8%, rgba(139, 92, 246, 0.35) 0%, transparent 60%),
    radial-gradient(55vw 45vh at 105% 5%, rgba(236, 72, 153, 0.30) 0%, transparent 55%),
    radial-gradient(50vw 50vh at 50% 115%, rgba(245, 158, 11, 0.18) 0%, transparent 60%),
    var(--bg-0);
  overflow-x: hidden;
}

/* ===== card ===== */
.card {
  position: relative;
  width: min(420px, 94vw);
  padding: 26px 24px 22px;
  border-radius: 26px;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  box-shadow:
    0 30px 80px -28px rgba(0, 0, 0, 0.75),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 26px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.6), rgba(236, 72, 153, 0.25), transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.card-head { text-align: center; margin-bottom: 20px; }
.card-logo {
  width: 54px;
  height: 54px;
  margin: 0 auto 12px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  color: #fff;
  border-radius: 16px;
  background: var(--grad);
  box-shadow: 0 12px 26px -8px rgba(236, 72, 153, 0.6);
}
h1 { margin: 0 0 6px; font-size: 1.45rem; font-weight: 800; letter-spacing: -0.02em; }
.sub { margin: 0; color: var(--muted); font-size: 0.9rem; }

.captcha { margin: 6px 0 2px; }

/* ===== shared widget shell ===== */
.cap-widget {
  border: 1px solid var(--glass-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  padding: 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.cap-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}
.cap-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ink);
}
.cap-shield {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 1.05rem;
}

.cap-refresh { border: 0; background: transparent; padding: 0; cursor: pointer; }
.cap-refresh-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-line);
  color: var(--ink);
  font-size: 1.1rem;
  transition: transform 0.5s ease, background 0.2s;
}
.cap-refresh:hover .cap-refresh-icon { transform: rotate(-180deg); background: rgba(255, 255, 255, 0.12); }

/* ===== checkbox captcha ===== */
.cap-checkbox-widget { padding: 18px; }
.cap-cb-row { display: flex; align-items: center; gap: 14px; }
.cap-cb-box {
  position: relative;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 2px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
  transition: border-color 0.18s, background 0.25s, transform 0.08s, box-shadow 0.25s;
}
.cap-cb-box:hover {
  border-color: var(--v1);
  box-shadow: 0 0 0 5px rgba(139, 92, 246, 0.16);
}
.cap-cb-box:active { transform: scale(0.92); }
.cap-cb-box.checked {
  border-color: transparent;
  background: linear-gradient(135deg, var(--ok), var(--ok-2));
  box-shadow: 0 8px 20px -6px rgba(16, 185, 129, 0.7);
}
.cap-cb-check { color: #04241a; font-size: 1.2rem; font-weight: 900; line-height: 1; }
.cap-cb-spinner {
  width: 20px; height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.18);
  border-top-color: var(--v2);
  border-radius: 50%;
  animation: cap-spin 0.7s linear infinite;
}
@keyframes cap-spin { to { transform: rotate(360deg); } }
.cap-cb-label { font-size: 1.02rem; font-weight: 700; color: var(--ink); user-select: none; letter-spacing: -0.01em; }
.cap-cb-brand {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: right;
  line-height: 1.2;
}

/* ===== board (slider) ===== */
.cap-board {
  position: relative;
  margin: 0 auto;
  border-radius: 14px;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  border: 1px solid var(--glass-line);
  background: linear-gradient(110deg, #1c1a33 8%, #262247 18%, #1c1a33 33%) #1c1a33;
  background-size: 200% 100%;
  animation: cap-shimmer 1.2s linear infinite;
}
.cap-board img.bg { display: block; width: 100%; height: auto; pointer-events: none; animation: cap-fade 0.3s ease; }
@keyframes cap-shimmer { to { background-position: -200% 0; } }
@keyframes cap-fade { from { opacity: 0; } to { opacity: 1; } }

.captcha-piece {
  position: absolute;
  top: 0; left: 0;
  cursor: grab;
  filter: drop-shadow(0 6px 10px rgba(0, 0, 0, 0.6));
  pointer-events: none;
}

/* ===== slider / rotate track ===== */
.slider-track {
  position: relative;
  margin-top: 16px;
  height: 50px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-line);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.cap-fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0;
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.35), rgba(236, 72, 153, 0.45));
  transition: background 0.2s;
}
.cap-track-text {
  position: relative;
  z-index: 1;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
  pointer-events: none;
  transition: opacity 0.1s;
}
.slider-handle {
  position: absolute;
  top: 50%;
  left: 4px;
  transform: translateY(-50%);
  z-index: 2;
  width: 54px;
  height: 42px;
  border-radius: 12px;
  background: var(--grad);
  box-shadow: 0 8px 18px -4px rgba(236, 72, 153, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  cursor: grab;
  display: grid;
  place-items: center;
  color: #fff;
  touch-action: none;
  transition: box-shadow 0.2s, filter 0.15s;
}
.slider-handle:hover { filter: brightness(1.08); }
.slider-handle:active { cursor: grabbing; }
/* مقبض بثلاث خطوط رأسية (grip) بدل السهم القديم */
.cap-arrow {
  width: 2px; height: 16px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: -5px 0 0 rgba(255, 255, 255, 0.95), 5px 0 0 rgba(255, 255, 255, 0.95);
  pointer-events: none;
}
.cap-arrow.glyph {
  width: auto; height: auto;
  background: none;
  box-shadow: none;
  font-size: 1.2rem;
  font-weight: 900;
  color: #fff;
}
.cap-knob { font-size: 1.35rem; line-height: 1; color: #fff; pointer-events: none; }

.slider-track.done .cap-fill { background: linear-gradient(90deg, rgba(52, 211, 153, 0.35), rgba(16, 185, 129, 0.5)); }
.slider-track.done .slider-handle { background: linear-gradient(135deg, var(--ok), var(--ok-2)); box-shadow: 0 8px 18px -4px rgba(16, 185, 129, 0.6); }
.slider-track.fail .cap-fill { background: linear-gradient(90deg, rgba(251, 113, 133, 0.3), rgba(251, 113, 133, 0.5)); }
.slider-track.fail .slider-handle { background: linear-gradient(135deg, #fb7185, #e11d48); }

/* ===== rotate ===== */
.cap-rotate-stage {
  display: grid;
  place-items: center;
  padding: 10px 0 4px;
}
.cap-rotate-img {
  border-radius: 50%;
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.55));
  transition: transform 0.05s linear;
  will-change: transform;
}

/* ===== tiles ===== */
.cap-tiles-prompt { display: grid; place-items: center; margin-bottom: 12px; }
.cap-tiles-target {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-line);
  padding: 4px;
  box-shadow: 0 8px 18px -8px rgba(0, 0, 0, 0.6);
}
.cap-tiles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.cap-tile {
  padding: 0;
  border: 1px solid var(--glass-line);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 14px;
  cursor: pointer;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  transition: transform 0.08s, border-color 0.15s, background 0.2s, box-shadow 0.2s;
}
.cap-tile img { width: 100%; height: 100%; display: block; }
.cap-tile:hover { border-color: var(--v1); background: rgba(139, 92, 246, 0.12); transform: translateY(-2px); }
.cap-tile:active { transform: scale(0.94); }
.cap-tile.picked {
  border-color: transparent;
  background: rgba(236, 72, 153, 0.22);
  box-shadow: 0 0 0 2px var(--v2), 0 8px 18px -6px rgba(236, 72, 153, 0.6);
}

/* ===== status + result ===== */
.captcha-status {
  margin-top: 12px;
  font-size: 0.84rem;
  min-height: 18px;
  color: var(--muted);
  text-align: center;
}
.captcha-status.ok { color: var(--ok); font-weight: 700; }
.captcha-status.err { color: var(--err); font-weight: 700; }

.result {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 14px;
  font-size: 0.92rem;
  font-weight: 700;
  text-align: center;
  animation: cap-fade 0.3s ease;
}
.result.ok { background: rgba(16, 185, 129, 0.14); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.4); }
.result.err { background: rgba(251, 113, 133, 0.12); color: #fda4af; border: 1px solid rgba(251, 113, 133, 0.4); }

@media (max-width: 420px) {
  .cap-tiles-grid { gap: 6px; }
  .cap-cb-brand { display: none; }
}