/* ==========================================================
   WISAXIS — AUTHENTICATION PAGES CSS (Login & Signup)
   2026 SaaS Design System Standard.
   ========================================================== */

.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.auth-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--desktop-navbar-height, 76px) + 2rem) var(--space-4) 3rem;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-2xl);
  padding: 2.75rem 2.25rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  animation: modalEnter 0.45s var(--ease-spring) both;
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
}

html[data-theme="light"] .auth-card {
  background: #ffffff;
  border-color: var(--border-default);
  box-shadow: var(--shadow-lg);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  border: 1px solid rgba(14, 165, 233, 0.25);
  color: var(--primary);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: 1rem;
  animation: badgeFloat 4s ease-in-out infinite;
}

.auth-title {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  letter-spacing: var(--tracking-tight);
}

.auth-subtitle {
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: left;
}

.form-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

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

.input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease, transform 0.2s var(--ease-spring);
}

.form-input:focus + .input-icon,
.input-wrap:focus-within .input-icon {
  color: var(--primary);
  transform: scale(1.1);
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  transition: all 0.2s var(--ease-out-smooth);
  outline: none;
  box-sizing: border-box;
}

html[data-theme="light"] .form-input {
  background: var(--input-bg);
  border-color: var(--input-border);
  color: var(--text-main);
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
  background: var(--surface-2);
}

html[data-theme="light"] .form-input:focus {
  background: #ffffff;
}

.pw-toggle-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, transform 0.2s var(--ease-spring);
}

.pw-toggle-btn:hover {
  color: var(--text-main);
  transform: scale(1.1);
}

.btn-auth-submit {
  width: 100%;
  padding: 0.95rem;
  margin-top: 0.5rem;
  background: var(--gradient-brand);
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
  box-shadow: 0 4px 16px var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.btn-auth-submit::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: skewX(-20deg);
  transition: none;
  pointer-events: none;
}

.btn-auth-submit:hover::after {
  left: 160%;
  transition: left 0.75s ease;
}

.btn-auth-submit:hover:not(:disabled) {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 8px 26px var(--primary-glow);
  filter: brightness(1.08);
}

.btn-auth-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none !important;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.auth-footer a {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
  margin-left: 4px;
  transition: color 0.2s;
}

.auth-footer a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.auth-alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  margin-bottom: 1rem;
  display: none;
  align-items: center;
  gap: 8px;
}

.auth-alert.error {
  display: flex;
  background: var(--danger-light);
  border: 1px solid rgba(244, 63, 94, 0.25);
  color: var(--danger);
  animation: shakeError 0.4s ease-in-out;
}

.auth-alert.success {
  display: flex;
  background: var(--success-light);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--success);
  animation: modalEnter 0.3s var(--ease-spring) both;
}

@media (max-width: 500px) {
  .auth-wrapper {
    padding: calc(var(--mobile-navbar-height, 64px) + 1.25rem) var(--space-3) calc(2rem + env(safe-area-inset-bottom, 0px));
  }

  .auth-card {
    padding: 1.75rem 1.25rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
  }
  
  .auth-title {
    font-size: 1.5rem;
  }

  .form-input {
    font-size: 16px !important;
    padding: 0.85rem 1rem 0.85rem 2.6rem;
    min-height: var(--touch-target-large, 48px);
  }

  .pw-toggle-btn {
    width: 44px;
    height: 44px;
    right: 4px;
  }

  .btn-auth-submit {
    min-height: 50px;
    font-size: var(--text-base);
    -webkit-tap-highlight-color: transparent;
  }
}

.auth-footer-simple {
  padding: 1.5rem 1rem max(1.5rem, env(safe-area-inset-bottom, 16px));
  text-align: center;
}

.auth-footer-simple p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--text-xs);
}

/* ===== AUTH SUBMIT BUTTON TACTILE FEEDBACK ===== */
.btn-auth-submit:active {
  transform: scale(0.97);
}

/* ===== ULTRA-NARROW AUTH (≤380px) ===== */
@media (max-width: 380px) {
  .auth-wrapper {
    padding: calc(var(--mobile-navbar-height, 64px) + 0.75rem) var(--space-2) calc(1.5rem + env(safe-area-inset-bottom, 0px));
  }

  .auth-card {
    padding: 1.5rem 1rem;
    border-radius: var(--radius-lg);
  }

  .auth-title {
    font-size: 1.35rem;
  }

  .auth-subtitle {
    font-size: 0.8rem;
  }

  .auth-badge {
    font-size: 10px;
    padding: 3px 10px;
  }

  .form-label {
    font-size: 10px;
  }

  .form-input {
    padding: 0.75rem 0.85rem 0.75rem 2.4rem;
    font-size: 16px !important;
  }

  .auth-form {
    gap: 1rem;
  }

  .auth-footer {
    font-size: 0.8rem;
  }

  .btn-auth-submit {
    min-height: 48px;
    font-size: 0.95rem;
  }
}