/* ═══════════════════════════════════════════════════════════
   CYNO.GG — Custom reCaptcha System Styles
   Matches: --glass-bg, --accent (#7bdcff), liquid glass
   ═══════════════════════════════════════════════════════════ */

/* Captcha overlay -- full-screen glass overlay on auth pages */
.captcha-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-captcha);
  display: grid;
  place-items: center;
  background: radial-gradient(120% 90% at 50% 50%,
    rgba(8, 14, 26, 0.85),
    rgba(6, 8, 15, 0.95)
  );
  backdrop-filter: blur(var(--blur-xl));
  -webkit-backdrop-filter: blur(var(--blur-xl));
  animation: modalOverlayIn 0.3s ease forwards;
}

.captcha-overlay[hidden] {
  display: none !important;
}

.captcha-panel {
  width: min(420px, calc(100% - 40px));
  padding: 36px 32px;
  display: grid;
  gap: 24px;
  text-align: center;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg,
    color-mix(in srgb, var(--glass-bg-strong) 88%, transparent),
    color-mix(in srgb, var(--glass-bg) 72%, transparent)
  );
  border: 1px solid color-mix(in srgb, var(--glass-border) 75%, transparent);
  box-shadow: var(--shadow-3), var(--glass-glow), var(--shadow-inset);
  backdrop-filter: blur(var(--blur-lg)) saturate(170%);
  -webkit-backdrop-filter: blur(var(--blur-lg)) saturate(170%);
  animation: modalIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  position: relative;
  overflow: hidden;
}

/* Liquid glass caustic layer */
.captcha-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--liquid-caustic);
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

.captcha-panel > * {
  position: relative;
  z-index: 1;
}

.captcha-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto;
  border-radius: 50%;
  background: linear-gradient(130deg,
    color-mix(in srgb, var(--accent) 68%, #0d1a2a),
    color-mix(in srgb, var(--accent-2) 72%, #0d1a2a)
  );
  display: grid;
  place-items: center;
  box-shadow: 0 0 30px rgba(123, 220, 255, 0.3);
  animation: breathe 2s ease-in-out infinite;
}

.captcha-icon svg {
  width: 28px;
  height: 28px;
  stroke: #041018;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.captcha-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text) 30%, var(--accent) 70%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
}

.captcha-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* --- Challenge 1: Hold to Verify --- */
.captcha-hold-zone {
  width: 120px;
  height: 120px;
  margin: 0 auto;
  border-radius: 50%;
  position: relative;
  display: grid;
  place-items: center;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.captcha-hold-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid color-mix(in srgb, var(--glass-border) 50%, transparent);
  background: color-mix(in srgb, var(--glass-bg) 40%, transparent);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.captcha-hold-ring.is-holding {
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
  box-shadow: 0 0 20px rgba(123, 220, 255, 0.25);
}

.captcha-hold-ring.is-complete {
  border-color: var(--status-success);
  box-shadow: 0 0 30px rgba(110, 227, 178, 0.4);
}

/* SVG progress ring */
.captcha-hold-progress {
  position: absolute;
  inset: -3px;
  width: calc(100% + 6px);
  height: calc(100% + 6px);
  transform: rotate(-90deg);
}

.captcha-hold-progress circle {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 364;
  stroke-dashoffset: 364;
  transition: stroke-dashoffset 0.05s linear;
  filter: drop-shadow(0 0 6px rgba(123, 220, 255, 0.5));
}

.captcha-hold-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  font-weight: 600;
  pointer-events: none;
}

/* --- Challenge 2: Slide to Verify --- */
.captcha-slider-track {
  width: 100%;
  height: 56px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--glass-bg) 50%, transparent);
  border: 1px solid color-mix(in srgb, var(--glass-border) 50%, transparent);
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px var(--border-inner);
}

.captcha-slider-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0%;
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--accent) 30%, transparent),
    color-mix(in srgb, var(--accent) 15%, transparent)
  );
  border-radius: 999px;
  transition: width 0.05s linear;
}

/* Shimmer effect on the fill */
.captcha-slider-fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.15) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: holoShimmer 2s ease-in-out infinite;
}

.captcha-slider-thumb {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(130deg,
    color-mix(in srgb, var(--accent) 68%, #0d1a2a),
    color-mix(in srgb, var(--accent-2) 72%, #0d1a2a)
  );
  box-shadow: 0 4px 16px rgba(2, 6, 12, 0.4), 0 0 12px rgba(123, 220, 255, 0.2);
  display: grid;
  place-items: center;
  cursor: grab;
  transition: box-shadow 0.2s ease;
  z-index: 2;
}

.captcha-slider-thumb:active {
  cursor: grabbing;
  box-shadow: 0 6px 24px rgba(2, 6, 12, 0.5), 0 0 20px rgba(123, 220, 255, 0.35);
}

.captcha-slider-thumb svg {
  width: 20px;
  height: 20px;
  stroke: #041018;
  fill: none;
  stroke-width: 2;
}

.captcha-slider-label {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  pointer-events: none;
  font-weight: 600;
}

.captcha-slider-track.is-complete .captcha-slider-fill {
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--status-success) 40%, transparent),
    color-mix(in srgb, var(--status-success) 20%, transparent)
  );
}

.captcha-slider-track.is-complete .captcha-slider-thumb {
  background: linear-gradient(130deg, var(--status-success), #5cc9a0);
  box-shadow: 0 0 20px rgba(110, 227, 178, 0.4);
}

/* --- Challenge 3: Pattern Match --- */
.captcha-pattern-grid {
  display: grid;
  grid-template-columns: repeat(3, 64px);
  grid-template-rows: repeat(3, 64px);
  gap: 12px;
  justify-content: center;
  margin: 0 auto;
}

.captcha-pattern-node {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--glass-border) 50%, transparent);
  background: color-mix(in srgb, var(--glass-bg) 40%, transparent);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  position: relative;
}

.captcha-pattern-node::after {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--muted) 40%, transparent);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.captcha-pattern-node.is-active {
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
  box-shadow: 0 0 16px rgba(123, 220, 255, 0.3);
  background: color-mix(in srgb, var(--accent) 15%, transparent);
}

.captcha-pattern-node.is-active::after {
  background: var(--accent);
  box-shadow: 0 0 10px rgba(123, 220, 255, 0.6);
}

.captcha-pattern-node.is-correct {
  border-color: var(--status-success);
  box-shadow: 0 0 16px rgba(110, 227, 178, 0.3);
}

.captcha-pattern-node.is-correct::after {
  background: var(--status-success);
  box-shadow: 0 0 10px rgba(110, 227, 178, 0.6);
}

.captcha-pattern-node.is-wrong {
  border-color: var(--status-danger);
  box-shadow: 0 0 16px rgba(240, 156, 176, 0.3);
  animation: captchaShake 0.4s ease;
}

@keyframes captchaShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

/* --- Success state --- */
.captcha-success-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto;
  border-radius: 50%;
  background: linear-gradient(130deg, var(--status-success), #5cc9a0);
  display: grid;
  place-items: center;
  box-shadow: 0 0 30px rgba(110, 227, 178, 0.4);
  animation: modalIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.captcha-success-icon svg {
  width: 32px;
  height: 32px;
  stroke: #041018;
  fill: none;
  stroke-width: 2.5;
}

/* Form disabled state when captcha pending */
.auth-form-disabled {
  pointer-events: none;
  opacity: 0.5;
  filter: blur(2px);
  transition: opacity 0.3s ease, filter 0.3s ease;
}

/* Firewall blocked page variant */
.firewall-block-reason {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--status-danger) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--status-danger) 30%, transparent);
  font-size: 12px;
  color: var(--status-danger);
}

@media (prefers-reduced-motion: reduce) {
  .captcha-panel,
  .captcha-icon,
  .captcha-success-icon {
    animation: none !important;
  }
  .captcha-slider-fill::after {
    animation: none !important;
  }
  .captcha-hold-ring {
    transition: none !important;
  }
  .captcha-pattern-node {
    transition: none !important;
  }
}