/* =========================================
   HydraQuant Auth — Styles
   ========================================= */

.auth-page {
  min-height: 100vh;
  position: relative;
}

.auth-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
#authCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.auth-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(0,212,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(109,40,217,0.06) 0%, transparent 50%);
}

.auth-nav {
  position: relative;
  z-index: 10;
  background: rgba(4,7,15,0.6);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.auth-nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.auth-back {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-2);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.auth-back:hover {
  color: var(--text);
  background: var(--surface-2);
}

.auth-main {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--nav-h));
  padding: 48px 24px;
  padding-top: calc(var(--nav-h) + 48px);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: rgba(8,13,24,0.85);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5), 0 0 0 1px rgba(0,212,255,0.04);
}

.auth-card-header {
  text-align: center;
  margin-bottom: 28px;
}
.auth-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.auth-subtitle {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.5;
}

.auth-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
}
.auth-tab {
  flex: 1;
  padding: 10px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-2);
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
  font-family: inherit;
}
.auth-tab:hover {
  color: var(--text);
}
.auth-tab.active {
  color: var(--text);
  background: var(--surface-2);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.auth-panel {
  display: none;
}
.auth-panel.active {
  display: block;
}
.auth-panel-modal {
  margin-top: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.auth-form .auth-field {
  margin-bottom: 18px;
}
.auth-form label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 8px;
}
.auth-form input[type="email"],
.auth-form input[type="password"] {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: 10px;
  transition: border-color var(--transition);
}
.auth-form input::placeholder {
  color: var(--text-3);
}
.auth-form input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.15);
}
.btn-auth {
  width: 100%;
  margin-top: 8px;
  padding: 14px;
  font-size: 0.95rem;
  justify-content: center;
}
.auth-link {
  display: block;
  text-align: center;
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--cyan);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  transition: opacity var(--transition);
}
.auth-link:hover {
  opacity: 0.9;
  text-decoration: underline;
}

.auth-modal-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.auth-modal-desc {
  font-size: 0.85rem;
  color: var(--text-2);
  margin-bottom: 18px;
  line-height: 1.5;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 24px 0 20px;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.auth-divider span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.auth-providers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.auth-provider {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  font-family: inherit;
}
.auth-provider:hover:not(:disabled) {
  border-color: var(--border-3);
  background: var(--surface-2);
  transform: translateY(-1px);
}
.auth-provider:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}
.auth-provider svg {
  flex-shrink: 0;
}
.auth-provider-wallet {
  grid-column: span 2;
  color: var(--cyan);
  border-color: rgba(0,212,255,0.25);
  background: rgba(0,212,255,0.06);
}
.auth-provider-wallet:hover:not(:disabled) {
  border-color: rgba(0,212,255,0.4);
  background: rgba(0,212,255,0.1);
}

.auth-message {
  margin-top: 20px;
  padding: 12px 16px;
  font-size: 0.88rem;
  border-radius: 10px;
  text-align: center;
  transition: opacity var(--transition);
}
.auth-message[hidden] {
  display: none !important;
}
.auth-message.success {
  background: var(--green-dim);
  border: 1px solid rgba(16,185,129,0.3);
  color: #34d399;
}
.auth-message.error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: #f87171;
}

/* Auth Modal (for use on main pages) */
.auth-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.auth-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.auth-modal-overlay .auth-card {
  max-width: 420px;
  transform: scale(0.95);
  transition: transform var(--transition);
}
.auth-modal-overlay.open .auth-card {
  transform: scale(1);
}

/* AOS on auth page */
.auth-card[data-aos] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.auth-card[data-aos].aos-animate {
  opacity: 1;
  transform: none;
}

@media (max-width: 480px) {
  .auth-providers {
    grid-template-columns: 1fr;
  }
  .auth-provider-wallet {
    grid-column: span 1;
  }
  .auth-card {
    padding: 24px 20px;
  }
}