:root {
  --bg-deep: #090a0f;
  --surface-card: rgba(18, 20, 29, 0.75);
  --border-glow: rgba(88, 101, 242, 0.25);
  --accent-cyan: #00f0ff;
  --accent-blurple: #5865f2;
  --accent-green: #57f287;
  --accent-red: #ed4245;
  --text-main: #f2f3f5;
  --text-muted: #949ba4;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-deep);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow-x: hidden;
  padding: 20px;
}

.mesh-bg {
  position: fixed;
  inset: 0;
  background-image: 
    radial-gradient(at 15% 15%, rgba(88, 101, 242, 0.15) 0px, transparent 50%),
    radial-gradient(at 85% 85%, rgba(0, 240, 255, 0.1) 0px, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.glow-orb {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.orb-1 {
  top: -100px;
  left: -100px;
  background: var(--accent-blurple);
}

.orb-2 {
  bottom: -100px;
  right: -100px;
  background: var(--accent-cyan);
}

.verify-container {
  width: 100%;
  max-width: 460px;
  position: relative;
  z-index: 10;
}

.verify-card {
  background: var(--surface-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-glow);
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(88, 101, 242, 0.1);
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-shield {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(88, 101, 242, 0.25), rgba(0, 240, 255, 0.25));
  border: 1px solid rgba(88, 101, 242, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
}

.brand-text h1 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: #fff;
}

.brand-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.user-strip {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent-blurple);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.15);
}

.user-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.user-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--accent-cyan);
  font-family: 'JetBrains Mono', monospace;
}

.user-id-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  color: #fff;
}

.challenge-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.challenge-prompt {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Slider Puzzle */
.interactive-slider-box {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 4px;
  user-select: none;
  -webkit-user-select: none;
}

.slider-track {
  position: relative;
  height: 48px;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, rgba(88, 101, 242, 0.3), rgba(87, 242, 135, 0.4));
  transition: width 0.05s linear;
}

.slider-text {
  position: relative;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  pointer-events: none;
  z-index: 2;
  transition: opacity 0.2s;
}

.slider-handle {
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 2px;
  width: 44px;
  background: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0f111a;
  cursor: grab;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  z-index: 3;
  touch-action: none;
}

.slider-handle:active {
  cursor: grabbing;
}

.btn-verify {
  width: 100%;
  padding: 14px 20px;
  border-radius: 12px;
  border: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  font-weight: 700;
  background: var(--accent-green);
  color: #090a0f;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-verify:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background: #313338;
  color: var(--text-muted);
}

.btn-verify:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(87, 242, 135, 0.4);
}

/* Success Screen */
.success-box {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 10px 0;
}

.success-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(87, 242, 135, 0.15);
  border: 2px solid var(--accent-green);
  color: var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(87, 242, 135, 0.35);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.success-box h2 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
}

.success-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.success-text strong {
  color: var(--accent-green);
}

.btn-return {
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-blurple);
  color: #fff;
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 12px 24px;
  border-radius: 10px;
  transition: all 0.2s;
}

.btn-return:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(88, 101, 242, 0.4);
}

.error-box {
  background: rgba(237, 66, 69, 0.15);
  border: 1px solid var(--accent-red);
  padding: 12px;
  border-radius: 10px;
  font-size: 0.82rem;
  color: #ff999b;
  text-align: center;
}

.card-footer {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 16px;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.3);
  font-family: 'JetBrains Mono', monospace;
}

.hidden {
  display: none !important;
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0, 0, 0, 0.3);
  border-top-color: #090a0f;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Custom Cyberpunk CAPTCHA Styles */
.captcha-wrapper {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  width: 100%;
}

.captcha-canvas-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #0f131a;
  padding: 6px;
  border-radius: 12px;
  border: 1px solid rgba(88, 101, 242, 0.4);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5);
}

#captchaCanvas {
  border-radius: 8px;
  display: block;
}

.btn-refresh {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--accent-cyan);
  width: 38px;
  height: 38px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.btn-refresh:hover {
  background: rgba(0, 240, 255, 0.2);
  transform: rotate(45deg);
}

.captcha-input-box {
  width: 100%;
}

.captcha-input-box input {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(88, 101, 242, 0.35);
  border-radius: 12px;
  padding: 14px 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.25rem;
  letter-spacing: 4px;
  text-align: center;
  color: #fff;
  outline: none;
  transition: all 0.2s ease;
}

.captcha-input-box input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
}

.attempts-counter {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

/* Shake Animation on Wrong Code */
.shake {
  animation: shake 0.35s ease-in-out;
  border-color: var(--accent-red) !important;
  box-shadow: 0 0 16px rgba(237, 66, 69, 0.4) !important;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

/* Failed Screen */
.failed-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  padding: 10px 0;
}

.failed-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(237, 66, 69, 0.15);
  border: 1px solid var(--accent-red);
  color: var(--accent-red);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(237, 66, 69, 0.3);
}

.failed-box h2 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent-red);
  letter-spacing: 0.5px;
}

.failed-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.btn-retry {
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(237, 66, 69, 0.2);
  border: 1px solid var(--accent-red);
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 12px 24px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-retry:hover {
  background: var(--accent-red);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(237, 66, 69, 0.4);
}