/* ═══════════════════════════════════════
   Wininvest — Auth Page Styles
   Login & Register Pages
   ═══════════════════════════════════════ */
@import url('./variables.css');

/* ── Page Layout ── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--space-6);
  overflow: hidden;
}

/* ── Animated Background ── */
#bg-grid {
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 60px, rgba(0,245,255,0.03) 60px, rgba(0,245,255,0.03) 61px),
    repeating-linear-gradient(90deg, transparent, transparent 60px, rgba(0,245,255,0.03) 60px, rgba(0,245,255,0.03) 61px);
  animation: gridMove 20s linear infinite;
  z-index: 0;
  pointer-events: none;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

.grid-particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--cyan);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s ease-in-out infinite;
  box-shadow: 0 0 6px var(--cyan-glow);
}
.grid-particle:nth-child(1) { top: 15%; left: 20%; animation-delay: 0s; }
.grid-particle:nth-child(2) { top: 40%; left: 70%; animation-delay: 1.5s; }
.grid-particle:nth-child(3) { top: 70%; left: 30%; animation-delay: 3s; }
.grid-particle:nth-child(4) { top: 25%; left: 85%; animation-delay: 4.5s; }
.grid-particle:nth-child(5) { top: 80%; left: 60%; animation-delay: 2s; }
.grid-particle:nth-child(6) { top: 55%; left: 10%; animation-delay: 5s; }

@keyframes particleFloat {
  0%, 100% { opacity: 0; transform: translateY(0) scale(1); }
  25% { opacity: 0.8; }
  50% { opacity: 0.4; transform: translateY(-40px) scale(1.5); }
  75% { opacity: 0.6; }
}

#bg-glow {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 30% 20%, rgba(0,245,255,0.06), transparent),
    radial-gradient(ellipse 500px 350px at 70% 80%, rgba(255,215,0,0.04), transparent);
  pointer-events: none;
  z-index: 0;
}

/* ── Auth Container ── */
#auth-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 460px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow:
    0 0 40px rgba(0,245,255,0.05),
    inset 0 1px 0 rgba(0,245,255,0.08);
  animation: authFadeIn 0.6s var(--ease-out) both;
}

@keyframes authFadeIn {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Logo ── */
.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  text-decoration: none;
}

.auth-logo svg {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 0 8px var(--cyan-glow));
}

.auth-logo span {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 2px;
  text-shadow: 0 0 20px var(--cyan-glow);
}

/* ── Headings ── */
.auth-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--space-2);
}

.auth-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--space-8);
}

/* ── Form Groups ── */
.form-group {
  margin-bottom: var(--space-5);
  position: relative;
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: var(--space-4);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
  transition: color var(--t-normal) var(--ease-out);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) 48px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: border-color var(--t-normal) var(--ease-out), box-shadow var(--t-normal) var(--ease-out);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-subtle), 0 0 20px rgba(0,245,255,0.08);
}

.form-input:focus ~ .input-icon {
  color: var(--cyan);
}

.form-group.error .form-input {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-bg);
}

.form-error {
  display: none;
  font-size: var(--text-xs);
  color: var(--red);
  margin-top: var(--space-1);
}

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

/* ── Password Toggle ── */
.password-toggle {
  position: absolute;
  right: var(--space-3);
  padding: var(--space-1);
  color: var(--text-muted);
  opacity: 0.5;
  transition: opacity var(--t-fast);
  background: none;
  border: none;
  cursor: pointer;
}

.password-toggle:hover {
  opacity: 1;
  color: var(--cyan);
}

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

/* ── Remember / Forgot Row ── */
.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--cyan);
  cursor: pointer;
}

.checkbox-group label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
  margin: 0;
}

.forgot-link {
  font-size: var(--text-sm);
  color: var(--cyan-dim);
  transition: color var(--t-fast);
}

.forgot-link:hover {
  color: var(--cyan);
  text-shadow: 0 0 10px var(--cyan-glow);
}

/* ── Terms Checkbox ── */
.terms-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.terms-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--cyan);
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
}

.terms-group label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  cursor: pointer;
}

.terms-group a {
  color: var(--cyan-dim);
  transition: color var(--t-fast);
}

.terms-group a:hover {
  color: var(--cyan);
}

/* ── Submit Button ── */
.btn-auth {
  width: 100%;
  padding: var(--space-4);
  background: linear-gradient(135deg, var(--cyan), var(--cyan-dim));
  color: var(--bg-primary);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--t-fast) var(--ease-out), box-shadow var(--t-normal) var(--ease-out);
}

.btn-auth:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-cyan);
}

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

.btn-auth .btn-text {
  transition: opacity var(--t-fast);
}

.btn-auth.loading .btn-text {
  opacity: 0;
}

.btn-spinner {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 22px;
  height: 22px;
  border: 2.5px solid transparent;
  border-top-color: var(--bg-primary);
  border-right-color: var(--bg-primary);
  border-radius: 50%;
  animation: spinnerRotate 0.6s linear infinite;
}

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

@keyframes spinnerRotate {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ── Divider ── */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

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

.auth-divider span {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── Social Buttons ── */
.social-buttons {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.btn-social {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease-out), border-color var(--t-normal), background var(--t-normal);
}

.btn-social:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.btn-social svg {
  width: 20px;
  height: 20px;
}

/* ── Footer Link ── */
.auth-footer {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.auth-footer a {
  color: var(--cyan);
  font-weight: 600;
  transition: text-shadow var(--t-fast);
}

.auth-footer a:hover {
  text-shadow: 0 0 12px var(--cyan-glow);
}

/* ── Auth Message ── */
#auth-message {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  max-width: 400px;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  z-index: var(--z-toast);
  transform: translateX(120%);
  transition: transform var(--t-slow) var(--ease-spring);
  backdrop-filter: blur(12px);
}

#auth-message.visible {
  transform: translateX(0);
}

#auth-message.success {
  background: var(--green-bg);
  border: 1px solid var(--green-dim);
  color: var(--green);
}

#auth-message.error {
  background: var(--red-bg);
  border: 1px solid var(--red-dim);
  color: var(--red);
}

/* ── Password Strength ── */
.strength-meter {
  margin-top: var(--space-2);
  margin-bottom: var(--space-1);
}

.strength-bar {
  display: flex;
  gap: 4px;
  margin-bottom: var(--space-1);
}

.strength-segment {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--bg-tertiary);
  transition: background var(--t-normal);
}

.strength-bar.weak .strength-segment:nth-child(1) { background: var(--red); }

.strength-bar.fair .strength-segment:nth-child(1),
.strength-bar.fair .strength-segment:nth-child(2) { background: var(--gold); }

.strength-bar.good .strength-segment:nth-child(1),
.strength-bar.good .strength-segment:nth-child(2),
.strength-bar.good .strength-segment:nth-child(3) { background: var(--cyan-dim); }

.strength-bar.strong .strength-segment { background: var(--green); }

.strength-text {
  font-size: var(--text-xs);
  font-weight: 500;
  transition: color var(--t-normal);
  color: var(--text-muted);
}

.strength-text.weak { color: var(--red); }
.strength-text.fair { color: var(--gold); }
.strength-text.good { color: var(--cyan-dim); }
.strength-text.strong { color: var(--green); }

/* ── Back Link ── */
.back-link {
  position: fixed;
  top: var(--space-6);
  left: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  z-index: 10;
  transition: color var(--t-fast);
}

.back-link:hover {
  color: var(--cyan);
}

.back-link svg {
  width: 16px;
  height: 16px;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .auth-page {
    padding: var(--space-4);
  }

  #auth-container {
    padding: var(--space-6);
  }

  .auth-title {
    font-size: var(--text-xl);
  }

  .social-buttons {
    flex-direction: column;
  }

  #auth-message {
    left: var(--space-4);
    right: var(--space-4);
    max-width: none;
  }

  .back-link {
    top: var(--space-4);
    left: var(--space-4);
  }
}