/* ============================================================
   AUTH.CSS — Login & Register pages
   ============================================================ */
.auth-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f1728 0%, #1a2744 50%, #0f2040 100%);
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem 1rem;
  position: relative; overflow: hidden;
}
.auth-page::before {
  content: ''; position: absolute; top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(59,111,240,.12), transparent 65%);
  pointer-events: none;
}
.auth-page::after {
  content: ''; position: absolute; bottom: -80px; left: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(124,58,237,.10), transparent 65%);
  pointer-events: none;
}
.auth-card {
  background: #fff;
  border-radius: 1.25rem;
  box-shadow: 0 24px 64px rgba(0,0,0,.25), 0 4px 16px rgba(0,0,0,.10);
  width: 100%; max-width: 440px;
  position: relative; z-index: 1; overflow: hidden;
}
.auth-card-wide { max-width: 560px; }
.auth-header {
  background: linear-gradient(135deg, #3b6ff0, #2954cc);
  padding: 2rem 2.25rem 1.75rem;
  text-align: center;
}
.auth-logo {
  display: inline-flex; align-items: center; justify-content: center;
  width: 54px; height: 54px;
  background: rgba(255,255,255,.15);
  border-radius: .875rem; margin-bottom: .875rem;
  border: 1px solid rgba(255,255,255,.2);
  overflow: hidden;
}
.auth-logo img { width: 34px; height: 34px; object-fit: contain; }
.auth-header h1 { color: #fff; font-size: 1.35rem; font-weight: 800; margin-bottom: .25rem; letter-spacing: -.4px; }
.auth-header p  { color: rgba(255,255,255,.7); font-size: .8rem; margin: 0; }
.auth-body { padding: 2rem 2.25rem; }
.auth-footer { text-align: center; padding: 0 2.25rem 1.75rem; font-size: .8rem; color: #6b7280; }

/* Step bar */
.steps-bar { display: flex; padding: 1.1rem 2.25rem; gap: 0; background: #f9fafb; border-bottom: 1px solid #e5e7eb; }
.reg-step { flex: 1; display: flex; flex-direction: column; align-items: center; gap: .35rem; position: relative; }
.reg-step::before { content: ''; position: absolute; top: 13px; left: 50%; right: -50%; height: 2px; background: #e5e7eb; z-index: 0; }
.reg-step:last-child::before { display: none; }
.reg-step.done::before   { background: var(--primary); }
.reg-step.active::before { background: linear-gradient(90deg, var(--primary), #e5e7eb); }
.step-dot {
  width: 28px; height: 28px; border-radius: 50%;
  background: #e5e7eb; color: #9ca3af;
  font-size: .72rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 1; transition: all .2s;
}
.reg-step.done   .step-dot { background: var(--primary); color: #fff; }
.reg-step.active .step-dot { background: var(--primary); color: #fff; box-shadow: 0 0 0 4px rgba(59,111,240,.2); }
.step-text { font-size: .68rem; font-weight: 600; color: #9ca3af; white-space: nowrap; }
.reg-step.active .step-text { color: var(--primary); }
.reg-step.done   .step-text { color: #374151; }

/* Code verified banner */
.code-verified {
  background: #ecfdf5; border: 1px solid #bbf7d0;
  border-radius: .55rem; padding: .75rem .875rem;
  display: flex; align-items: center; gap: .625rem;
  font-size: .8rem; color: #065f46; margin-bottom: 1rem;
}

/* Position toggle */
.position-toggle { display: grid; grid-template-columns: 1fr 1fr; gap: .625rem; }
.position-option input[type="radio"] { display: none; }
.position-label {
  display: flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .75rem; background: #f9fafb;
  border: 1.5px solid #e5e7eb; border-radius: .55rem;
  cursor: pointer; font-size: .8rem; font-weight: 600;
  color: #6b7280; transition: all .2s;
}
.position-label:hover { border-color: var(--primary); color: var(--primary); background: #eff6ff; }
.position-option input:checked + .position-label { border-color: var(--primary); background: #eff6ff; color: var(--primary); }
.position-option input:disabled + .position-label { opacity: .4; cursor: not-allowed; }

/* Slot status */
.slot-status {
  background: #f9fafb; border: 1px solid #e5e7eb;
  border-radius: .55rem; padding: .55rem .875rem;
  margin-top: .4rem; font-size: .75rem; display: flex; gap: 1rem;
}
.slot-free  { color: var(--success); font-weight: 600; }
.slot-taken { color: var(--danger);  font-weight: 600; }

/* Spinner */
.spinner-sm {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,.4); border-top-color: #fff;
  border-radius: 50%; animation: spin .7s linear infinite; vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 480px) {
  .auth-body   { padding: 1.5rem 1.25rem; }
  .auth-header { padding: 1.5rem 1.25rem; }
  .auth-footer { padding: 0 1.25rem 1.25rem; }
  .steps-bar   { padding: .875rem 1.25rem; }
}