/* ============================================
   Mundara Auth Service — Dark Theme
   Matches mundara.io main site design
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg: #0a0e1a;
  --bg-elevated: #0f1525;
  --fg: #eef1f6;
  --fg-muted: #7f8a9e;
  --primary: #05b8d4;
  --primary-hover: #06d0ef;
  --primary-dim: rgba(5, 184, 212, 0.12);
  --accent: #7c3aed;
  --card-bg: rgba(16, 23, 41, 0.85);
  --input-bg: #1a2236;
  --border: #262e3d;
  --border-focus: rgba(5, 184, 212, 0.5);
  --destructive: #ef4444;
  --destructive-dim: rgba(239, 68, 68, 0.12);
  --success: #22c55e;
  --success-dim: rgba(34, 197, 94, 0.12);
  --warning: #eab308;
  --radius: 12px;
  --radius-sm: 8px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --shadow-glow: 0 0 30px rgba(5, 184, 212, 0.12);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --transition: 0.2s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--primary-hover);
}

/* --- Background Decoration --- */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  left: -10%;
  width: 50%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  right: -10%;
  width: 50%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(5, 184, 212, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* --- Navbar --- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
}

.navbar-logo svg {
  width: 28px;
  height: 28px;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-cw-id {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--primary-dim);
}

/* --- Main Content --- */
.main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  position: relative;
  z-index: 1;
}

/* --- Card --- */
.card {
  width: 100%;
  max-width: 420px;
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(238, 241, 246, 0.06);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.card-icon svg {
  width: 28px;
  height: 28px;
  color: white;
}

.card-title {
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-subtitle {
  font-size: 14px;
  color: var(--fg-muted);
  text-align: center;
  margin-bottom: 28px;
}

/* --- Form Elements --- */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  font-family: var(--font);
  color: var(--fg);
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input::placeholder {
  color: var(--fg-muted);
  opacity: 0.6;
}

.form-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(5, 184, 212, 0.1);
}

.form-input.error {
  border-color: var(--destructive);
  box-shadow: 0 0 0 3px var(--destructive-dim);
}

.form-error {
  font-size: 12px;
  color: var(--destructive);
  margin-top: 4px;
  display: none;
}

.form-error.visible {
  display: block;
}

/* --- Password Input Wrapper --- */
.password-wrapper {
  position: relative;
}

.password-wrapper .form-input {
  padding-right: 42px;
}

.password-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--fg-muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
}

.password-toggle:hover {
  color: var(--fg);
}

.password-toggle svg {
  width: 18px;
  height: 18px;
}

/* --- Password Strength --- */
.password-strength {
  margin-top: 8px;
  display: none;
}

.password-strength.visible {
  display: block;
}

.strength-bar {
  height: 3px;
  border-radius: 2px;
  background: var(--border);
  overflow: hidden;
  margin-bottom: 4px;
}

.strength-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s ease, background 0.3s ease;
  width: 0%;
}

.strength-fill.weak { width: 33%; background: var(--destructive); }
.strength-fill.medium { width: 66%; background: var(--warning); }
.strength-fill.strong { width: 100%; background: var(--success); }

.strength-text {
  font-size: 11px;
  color: var(--fg-muted);
}

/* --- Account Type Toggle --- */
.account-toggle {
  display: flex;
  background: var(--input-bg);
  border-radius: var(--radius-sm);
  padding: 3px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}

.account-toggle-btn {
  flex: 1;
  padding: 8px 16px;
  font-size: 13px;
  font-family: var(--font);
  font-weight: 500;
  color: var(--fg-muted);
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
}

.account-toggle-btn.active {
  color: var(--fg);
  background: var(--primary-dim);
  color: var(--primary);
}

.account-toggle-btn:hover:not(.active) {
  color: var(--fg);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-family: var(--font);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-gradient {
  color: white;
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  box-shadow: 0 4px 15px rgba(5, 184, 212, 0.25);
}

.btn-gradient:hover:not(:disabled) {
  box-shadow: 0 4px 20px rgba(5, 184, 212, 0.4);
  transform: translateY(-1px);
}

.btn-gradient:active:not(:disabled) {
  transform: translateY(0);
}

.btn-outline {
  color: var(--fg-muted);
  background: transparent;
  border: 1px solid var(--border);
}

.btn-outline:hover:not(:disabled) {
  color: var(--fg);
  border-color: var(--fg-muted);
}

.btn-full {
  width: 100%;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

/* --- Spinner --- */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: none;
}

.btn.loading .spinner {
  display: block;
}

.btn.loading .btn-text {
  display: none;
}

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

/* --- Alert Bar --- */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 20px;
  display: none;
  align-items: center;
  gap: 8px;
}

.alert.visible {
  display: flex;
}

.alert-error {
  background: var(--destructive-dim);
  color: var(--destructive);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
  background: var(--success-dim);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-dismiss {
  margin-left: auto;
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 2px;
  font-size: 16px;
  line-height: 1;
  opacity: 0.7;
}

.alert-dismiss:hover {
  opacity: 1;
}

/* --- CAPTCHA Widget --- */
.captcha-widget {
  margin-bottom: 20px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--input-bg);
}

.captcha-images {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

.captcha-images img.captcha-bg {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.captcha-images img.captcha-piece {
  position: absolute;
  width: 13.33%;
  height: auto;
  pointer-events: none;
  filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.5));
}

.captcha-slider {
  position: relative;
  height: 42px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.captcha-slider-track {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: var(--primary-dim);
  transition: none;
}

.captcha-slider-hint {
  position: absolute;
  width: 100%;
  text-align: center;
  font-size: 12px;
  color: var(--fg-muted);
  pointer-events: none;
  user-select: none;
}

.captcha-thumb {
  position: absolute;
  left: 0;
  top: 0;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  touch-action: none;
  z-index: 2;
  transition: none;
}

.captcha-thumb:active {
  cursor: grabbing;
}

.captcha-thumb svg {
  width: 20px;
  height: 20px;
  color: white;
}

.captcha-verified {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: var(--success-dim);
  color: var(--success);
  font-size: 13px;
  font-weight: 500;
}

.captcha-verified svg {
  width: 18px;
  height: 18px;
}

/* --- CAPTCHA Animations --- */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.captcha-shake {
  animation: shake 0.4s ease;
}

/* --- Verification Code Input --- */
.code-inputs {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 24px;
}

.code-input {
  width: 48px;
  height: 56px;
  text-align: center;
  font-size: 22px;
  font-weight: 600;
  font-family: var(--font);
  color: var(--fg);
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  caret-color: var(--primary);
}

.code-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(5, 184, 212, 0.1);
}

.code-input.error {
  border-color: var(--destructive);
}

/* --- Resend Timer --- */
.resend {
  text-align: center;
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 20px;
}

.resend-link {
  color: var(--primary);
  cursor: pointer;
  background: none;
  border: none;
  font-size: 13px;
  font-family: var(--font);
}

.resend-link:disabled {
  color: var(--fg-muted);
  cursor: not-allowed;
}

/* --- Success State --- */
.success-state {
  text-align: center;
  display: none;
}

.success-state.visible {
  display: block;
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--success-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.success-icon svg {
  width: 32px;
  height: 32px;
  color: var(--success);
}

.cw-id-display {
  font-size: 32px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 12px 0;
}

/* --- Dashboard --- */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}

.info-item {
  padding: 14px;
  background: var(--input-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.info-label {
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.info-value {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}

.badge-success {
  background: var(--success-dim);
  color: var(--success);
}

.badge-warning {
  background: rgba(234, 179, 8, 0.12);
  color: var(--warning);
}

.badge-active {
  background: var(--primary-dim);
  color: var(--primary);
}

/* --- Quick Links --- */
.quick-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 24px;
}

.quick-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--fg-muted);
  font-size: 13px;
  transition: all var(--transition);
}

.quick-link:hover {
  color: var(--fg);
  border-color: var(--primary);
  background: var(--primary-dim);
}

.quick-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: 20px;
  font-size: 12px;
  color: var(--fg-muted);
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

/* --- Card Footer Links --- */
.card-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--fg-muted);
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

/* --- Responsive --- */
@media (max-width: 480px) {
  .card {
    padding: 28px 20px;
    border-radius: var(--radius-sm);
  }

  .code-inputs {
    gap: 6px;
  }

  .code-input {
    width: 42px;
    height: 50px;
    font-size: 20px;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .cw-id-display {
    font-size: 26px;
  }
}

@media (max-width: 340px) {
  .captcha-widget {
    transform: scale(0.9);
    transform-origin: center;
  }
}