/* ============================================================
   REDPULSE FOUNDATION — AUTH STYLES (Login & Register)
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;900&family=Inter:wght@300;400;500;600&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --crimson:       #C0162C;
  --crimson-deep:  #8B0000;
  --crimson-glow:  #E8203A;
  --crimson-soft:  rgba(192, 22, 44, 0.12);
  --ink:           #0D0D0F;
  --ink-mid:       #1A1A1E;
  --ink-light:     #252529;
  --border:        rgba(255, 255, 255, 0.08);
  --border-red:    rgba(192, 22, 44, 0.35);
  --snow:          #F9F6F2;
  --muted:         #888897;
  --text:          #E8E6E0;
  --font-display:  'Poppins', sans-serif;
  --font-body:     'Inter', sans-serif;
  --font-ui:       'Manrope', sans-serif;
  --radius:        16px;
  --radius-sm:     10px;
  --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-red:    0 0 60px rgba(192, 22, 44, 0.2);
  --nav-h:         72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
}

::selection { background: var(--crimson); color: #fff; }
a { color: inherit; text-decoration: none; }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--crimson); border-radius: 4px; }

/* ── Auth Page Layout ────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
}

.auth-visual {
  position: relative;
  overflow: hidden;
  background: var(--ink-mid);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
}

.auth-visual-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 40%, rgba(192,22,44,0.25) 0%, transparent 65%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(139,0,0,0.15) 0%, transparent 55%);
}

.auth-visual-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 80% 80% at center, black, transparent);
}

.auth-visual-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 420px;
}

.auth-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 2.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--snow);
}

.auth-logo .logo-icon {
  width: 44px; height: 44px;
  background: var(--crimson);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #fff;
  animation: pulse-ring 2s infinite;
}

.auth-visual-drop {
  width: 140px;
  margin: 0 auto 2rem;
  animation: float 4s ease-in-out infinite;
  filter: drop-shadow(0 0 40px rgba(192,22,44,0.7));
}

.auth-visual-tagline {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--snow);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.auth-visual-tagline span {
  color: var(--crimson-glow);
}

.auth-visual-sub {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.auth-stats {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.auth-stat {
  text-align: center;
}

.auth-stat-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--snow);
  line-height: 1;
}

.auth-stat-label {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 4px;
}

/* ── Auth Form Panel ─────────────────────────────────────── */
.auth-form-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  overflow-y: auto;
  background: var(--ink);
}

.auth-form-wrap {
  width: 100%;
  max-width: 480px;
}

.auth-form-header {
  margin-bottom: 2.5rem;
}

.auth-eyebrow {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--crimson-glow);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.auth-eyebrow::before {
  content: '';
  width: 24px; height: 2px;
  background: var(--crimson);
  border-radius: 2px;
}

.auth-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--snow);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.auth-subtitle {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ── Form Styles ─────────────────────────────────────────── */
.auth-form .form-group {
  margin-bottom: 1.2rem;
  position: relative;
}

.auth-form label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.auth-form .input-wrap {
  position: relative;
}

.auth-form .input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.9rem;
  pointer-events: none;
  transition: color 0.25s;
  z-index: 1;
}

.auth-form .input-wrap.textarea-wrap .input-icon {
  top: 16px;
  transform: none;
}

.auth-form input,
.auth-form select,
.auth-form textarea {
  width: 100%;
  background: var(--ink-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px 13px 42px;
  color: var(--snow);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.25s, box-shadow 0.25s;
  outline: none;
  appearance: none;
}

.auth-form input.no-icon,
.auth-form select.no-icon { padding-left: 16px; }

.auth-form input:focus,
.auth-form select:focus,
.auth-form textarea:focus {
  border-color: var(--crimson);
  box-shadow: 0 0 0 3px rgba(192, 22, 44, 0.15);
}

.auth-form .input-wrap:focus-within .input-icon {
  color: var(--crimson-glow);
}

.auth-form input::placeholder,
.auth-form textarea::placeholder { color: rgba(255,255,255,0.2); }

.auth-form select option { background: var(--ink-light); }

.auth-form textarea {
  resize: vertical;
  min-height: 90px;
  padding-top: 12px;
  padding-bottom: 12px;
}

/* Password Toggle */
.pass-toggle {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 4px;
  transition: color 0.2s;
  z-index: 2;
}

.pass-toggle:hover { color: var(--snow); }

/* Remember / Forgot */
.auth-form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 8px;
}

.remember-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--muted);
  cursor: pointer;
}

.remember-label input[type="checkbox"] {
  width: 16px; height: 16px;
  border-radius: 4px;
  border: 1.5px solid var(--border);
  background: var(--ink-light);
  padding: 0;
  accent-color: var(--crimson);
}

.forgot-link {
  font-size: 0.875rem;
  color: var(--crimson-glow);
  transition: opacity 0.2s;
}
.forgot-link:hover { opacity: 0.8; }

/* Submit Button */
.btn-auth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 15px 32px;
  background: linear-gradient(135deg, var(--crimson), var(--crimson-glow));
  background-size: 200% auto;
  color: #fff;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: 60px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.btn-auth:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 48px rgba(192, 22, 44, 0.5);
  background-position: right center;
}

.btn-auth:active { transform: translateY(0); }

/* Divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.5rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-divider span {
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
}

/* Social Login */
.social-login {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 1.5rem;
}

.btn-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
}

.btn-social:hover {
  border-color: rgba(255,255,255,0.2);
  background: var(--ink-light);
}

/* Auth Footer Link */
.auth-switch {
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}

.auth-switch a {
  color: var(--crimson-glow);
  font-weight: 600;
  transition: opacity 0.2s;
}

.auth-switch a:hover { opacity: 0.8; }

/* ── Blood Group Selector ─────────────────────────────────── */
.blood-group-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.blood-chip {
  padding: 10px 6px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  text-align: center;
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  transition: var(--transition);
  color: var(--muted);
  background: var(--ink-light);
  font-family: 'Space Mono', monospace;
  user-select: none;
}

.blood-chip:hover {
  border-color: var(--crimson);
  color: var(--crimson-glow);
}

.blood-chip.selected {
  background: var(--crimson);
  border-color: var(--crimson);
  color: #fff;
  box-shadow: 0 4px 20px rgba(192, 22, 44, 0.4);
}

/* ── Form Section Header ─────────────────────────────────── */
.form-section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 1.5rem 0 1rem;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.form-section-header i {
  color: var(--crimson-glow);
  font-size: 0.9rem;
}

.form-section-header span {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ── Photo Upload ─────────────────────────────────────────── */
.photo-upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--ink-light);
}

.photo-upload-area:hover {
  border-color: var(--crimson);
  background: var(--crimson-soft);
}

.photo-upload-area i {
  font-size: 2rem;
  color: var(--crimson-glow);
  margin-bottom: 8px;
  display: block;
}

.photo-upload-area span {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
}

.photo-preview {
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 2px solid var(--crimson);
  object-fit: cover;
  margin: 0 auto 8px;
  display: none;
}

/* ── Validation Feedback ─────────────────────────────────── */
.field-error {
  font-size: 0.78rem;
  color: #ff6b7a;
  margin-top: 4px;
  display: none;
}

.form-group.error input,
.form-group.error select {
  border-color: #ff4d6d;
  box-shadow: 0 0 0 3px rgba(255, 77, 109, 0.15);
}

.form-group.error .field-error { display: block; }

.form-group.success input,
.form-group.success select {
  border-color: #22c55e;
}

/* ── Progress Bar (Register Multi-step) ──────────────────── */
.register-progress {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 2rem;
}

.prog-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
  position: relative;
}

.prog-step::after {
  content: '';
  position: absolute;
  top: 16px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}

.prog-step:last-child::after { display: none; }

.prog-dot {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--ink-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.prog-label {
  font-size: 0.68rem;
  color: var(--muted);
  white-space: nowrap;
}

.prog-step.active .prog-dot {
  background: var(--crimson);
  border-color: var(--crimson);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(192,22,44,0.2);
}

.prog-step.done .prog-dot {
  background: rgba(34, 197, 94, 0.2);
  border-color: #22c55e;
  color: #22c55e;
}

.prog-step.active .prog-label,
.prog-step.done .prog-label { color: var(--snow); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .auth-page {
    grid-template-columns: 1fr;
  }
  .auth-visual {
    display: none;
  }
  .auth-form-panel {
    padding: 40px 24px;
    min-height: 100vh;
  }
}

@media (max-width: 480px) {
  .auth-title { font-size: 1.8rem; }
  .blood-group-grid { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .social-login { grid-template-columns: 1fr; }
  .auth-form-options { flex-direction: column; align-items: flex-start; }
}

/* ── Navbar (Auth pages mini nav) ────────────────────────── */
.auth-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 2rem;
  background: rgba(13,13,15,0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.auth-nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--snow);
}

.auth-nav-logo .logo-icon {
  width: 32px; height: 32px;
  background: var(--crimson);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: #fff;
}

.auth-nav-back {
  margin-left: auto;
  font-size: 0.875rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}

.auth-nav-back:hover { color: var(--snow); }