* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #e8e8e8;
  color: #333;
}

/* Subtle grid pattern background */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
  z-index: 0;
}

body.dark {
  background: #1a1a1a;
  color: #e0e0e0;
}

body.dark::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
}

/* Main */
.auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px 80px;
  position: relative;
  z-index: 1;
}

.auth-card {
  width: 100%;
  max-width: 480px;
  background: #fff;
  border-radius: 16px;
  padding: 32px 36px 40px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  border: 1px solid #e5e7eb;
  border-top-color: #b3d4fc;
  border-right-color: #b3d4fc;
}

body.dark .auth-card {
  background: #2d2d2d;
  border-color: #444;
  border-top-color: #1976d2;
  border-right-color: #1976d2;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

/* Card header: back + Create Account */
.auth-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.auth-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: #1976d2;
  text-decoration: none;
  border-radius: 10px;
  transition: background 0.2s;
}

.auth-back:hover {
  background: rgba(25, 118, 210, 0.1);
}

.auth-back-icon {
  width: 24px;
  height: 24px;
}

body.dark .auth-back {
  color: #42a5f5;
}

.auth-btn-create {
  display: inline-block;
  padding: 10px 20px;
  background: #1976d2;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  transition: background 0.2s, transform 0.2s;
}

.auth-btn-create:hover {
  background: #1565c0;
  transform: translateY(-1px);
}

body.dark .auth-btn-create {
  background: #1976d2;
}

/* Title & welcome */
.auth-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #111;
  margin-bottom: 6px;
}

body.dark .auth-title {
  color: #fff;
}

.auth-welcome {
  font-size: 0.95rem;
  color: #6b7280;
  margin-bottom: 24px;
}

body.dark .auth-welcome {
  color: #aaa;
}

/* Form */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.auth-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 18px;
}

.auth-input-icon {
  position: absolute;
  left: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9ca3af;
  pointer-events: none;
}

.auth-input-icon svg {
  width: 20px;
  height: 20px;
}

body.dark .auth-input-icon {
  color: #888;
}

.auth-input {
  width: 100%;
  padding: 12px 14px 12px 44px;
  font-size: 1rem;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  background: #fff;
  color: #111;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-input::placeholder {
  color: #9ca3af;
}

.auth-input:focus {
  outline: none;
  border-color: #1976d2;
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.15);
}

body.dark .auth-input {
  background: #1e1e1e;
  border-color: #555;
  color: #e0e0e0;
}

body.dark .auth-input::placeholder {
  color: #666;
}

body.dark .auth-input:focus {
  border-color: #42a5f5;
  box-shadow: 0 0 0 3px rgba(66, 165, 245, 0.2);
}

.auth-eye {
  position: absolute;
  right: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  background: none;
  color: #9ca3af;
  cursor: pointer;
  border-radius: 8px;
}

.auth-eye:hover {
  color: #6b7280;
  background: rgba(0, 0, 0, 0.04);
}

body.dark .auth-eye {
  color: #888;
}

body.dark .auth-eye:hover {
  color: #aaa;
  background: rgba(255, 255, 255, 0.06);
}

.auth-eye-icon {
  width: 20px;
  height: 20px;
}

.auth-input-wrap:has(.auth-eye) .auth-input {
  padding-right: 48px;
}

.auth-forgot-row {
  text-align: right;
  margin-bottom: 20px;
  margin-top: -4px;
}

.auth-forgot {
  font-size: 0.875rem;
  color: #4b5563;
  text-decoration: none;
}

.auth-forgot:hover {
  color: #1976d2;
  text-decoration: underline;
}

body.dark .auth-forgot {
  color: #9ca3af;
}

body.dark .auth-forgot:hover {
  color: #64b5f6;
}

.auth-error {
  font-size: 0.875rem;
  color: #c62828;
  margin-bottom: 12px;
}

body.dark .auth-error {
  color: #ef5350;
}

.auth-success {
  font-size: 0.875rem;
  color: #2e7d32;
  margin-bottom: 12px;
}

body.dark .auth-success {
  color: #81c784;
}

/* Forgot password modal */
body.auth-modal-open {
  overflow: hidden;
}

.auth-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(8, 18, 40, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: none;
}

.auth-modal-overlay.is-open {
  display: flex;
  pointer-events: auto;
}

.auth-modal-overlay[hidden] {
  display: none !important;
  pointer-events: none !important;
}

.auth-modal {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 16px;
  padding: 28px 28px 24px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.18);
  border: 1px solid #e5e7eb;
  animation: authModalPop 0.35s cubic-bezier(0.34, 1.4, 0.64, 1);
}

body.dark .auth-modal {
  background: #2d2d2d;
  border-color: #444;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

@keyframes authModalPop {
  0% {
    opacity: 0;
    transform: scale(0.92) translateY(12px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.auth-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.06);
  color: #6b7280;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.auth-modal-close:hover {
  background: rgba(0, 0, 0, 0.1);
  color: #374151;
}

body.dark .auth-modal-close {
  background: rgba(255, 255, 255, 0.08);
  color: #bbb;
}

.auth-modal-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(25, 118, 210, 0.1);
  color: #1976d2;
}

.auth-modal-icon svg {
  width: 26px;
  height: 26px;
}

body.dark .auth-modal-icon {
  background: rgba(66, 165, 245, 0.15);
  color: #64b5f6;
}

.auth-modal-title {
  font-size: 1.35rem;
  font-weight: 700;
  text-align: center;
  color: #111;
  margin-bottom: 6px;
}

body.dark .auth-modal-title {
  color: #fff;
}

.auth-modal-msg {
  font-size: 0.9rem;
  text-align: center;
  color: #6b7280;
  margin-bottom: 20px;
  line-height: 1.5;
}

body.dark .auth-modal-msg {
  color: #aaa;
}

.auth-modal-form {
  display: flex;
  flex-direction: column;
}

.auth-modal-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 6px;
}

body.dark .auth-modal-label {
  color: #d0d0d0;
}

.auth-modal-input-wrap {
  margin-bottom: 14px;
}

.auth-modal-error {
  font-size: 0.85rem;
  color: #c62828;
  margin-bottom: 12px;
  line-height: 1.4;
}

body.dark .auth-modal-error {
  color: #ef5350;
}

.auth-modal-success {
  font-size: 0.85rem;
  color: #2e7d32;
  margin-bottom: 12px;
  line-height: 1.4;
}

body.dark .auth-modal-success {
  color: #81c784;
}

.auth-modal-btns {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}

.auth-modal-btn {
  flex: 1;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.auth-modal-btn-cancel {
  background: #f3f4f6;
  color: #374151;
}

.auth-modal-btn-cancel:hover {
  background: #e5e7eb;
}

body.dark .auth-modal-btn-cancel {
  background: #3a3a3a;
  color: #e0e0e0;
}

body.dark .auth-modal-btn-cancel:hover {
  background: #444;
}

.auth-modal-btn-primary {
  background: #1976d2;
  color: #fff;
}

.auth-modal-btn-primary:hover:not(:disabled) {
  background: #1565c0;
  transform: translateY(-1px);
}

.auth-modal-btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.auth-reset-invalid {
  text-align: center;
  padding: 8px 0 4px;
}

.auth-reset-back-btn {
  display: inline-block;
  margin-top: 16px;
  text-decoration: none;
  text-align: center;
}

.auth-code-input {
  letter-spacing: 0.35em;
  font-weight: 600;
  text-align: center;
}

#resetPasswordForm.auth-form {
  display: none;
  flex-direction: column;
}

.auth-btn {
  width: 100%;
  padding: 14px 20px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: #1976d2;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  margin-top: 0;
}

.auth-btn:hover {
  background: #1565c0;
  transform: translateY(-1px);
}

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

.auth-divider {
  text-align: center;
  font-size: 0.9rem;
  color: #6b7280;
  margin: 22px 0 18px;
}

body.dark .auth-divider {
  color: #888;
}

.auth-btn-google {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #fff;
  color: #333;
  border: 1px solid #d1d5db;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.auth-btn-google:hover {
  background: #f9fafb;
  border-color: #9ca3af;
}

body.dark .auth-btn-google {
  background: #3a3a3a;
  color: #e0e0e0;
  border-color: #555;
}

body.dark .auth-btn-google:hover {
  background: #444;
}

.auth-google-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Footer theme toggle */
.auth-page-footer {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2;
}

.auth-theme-btn {
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: #1976d2;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(25, 118, 210, 0.4);
  transition: transform 0.2s;
}

.auth-theme-btn:hover {
  transform: translateY(-2px);
}

body.dark .auth-theme-btn {
  background: #f57c00;
  box-shadow: 0 4px 12px rgba(245, 124, 0, 0.4);
}

/* Responsive */
@media (max-width: 480px) {
  .auth-main {
    padding: 24px 16px 100px;
  }

  .auth-card {
    padding: 24px 24px 32px;
    border-radius: 14px;
  }

  .auth-card-header {
    margin-bottom: 22px;
  }

  .auth-title {
    font-size: 1.5rem;
  }

  .auth-page-footer {
    bottom: 16px;
    right: 16px;
  }

  .auth-theme-btn {
    width: 44px;
    height: 44px;
    font-size: 20px;
  }
}