/* Auth page styles */
:root {
  --auth-bg: #f5f6f8;
  --auth-card-bg: #fff;
  --auth-card-border: #d0d4db;
  --auth-card-shadow: rgba(0, 0, 0, 0.08);
  --auth-title-color: #1a1a2e;
  --auth-subtitle-color: #888;
  --auth-label-color: #555;
  --auth-input-bg: #fff;
  --auth-input-color: #1a1a2e;
  --auth-input-border: #d0d4db;
  --auth-input-focus-border: #4a7cff;
  --auth-input-focus-ring: rgba(74, 124, 255, 0.12);
  --auth-btn-bg: #4a7cff;
  --auth-btn-hover-bg: #3a68e0;
  --auth-btn-active-bg: #2d56c4;
  --auth-btn-disabled-bg: #a0b4e0;
  --auth-error-bg: #fef2f2;
  --auth-error-border: #fecaca;
  --auth-error-color: #dc2626;
  --auth-success-bg: #f0fdf4;
  --auth-success-border: #bbf7d0;
  --auth-success-color: #16a34a;
  --auth-link-color: #4a7cff;
}

[data-theme="dark"] {
  --auth-bg: #121218;
  --auth-card-bg: #1a1a24;
  --auth-card-border: #2e2e3a;
  --auth-card-shadow: rgba(0, 0, 0, 0.3);
  --auth-title-color: #e0e0e8;
  --auth-subtitle-color: #888;
  --auth-label-color: #b0b0bc;
  --auth-input-bg: #16161f;
  --auth-input-color: #e0e0e8;
  --auth-input-border: #2e2e3a;
  --auth-input-focus-border: #5b8cff;
  --auth-input-focus-ring: rgba(91, 140, 255, 0.2);
  --auth-btn-bg: #5b8cff;
  --auth-btn-hover-bg: #7aa3ff;
  --auth-btn-active-bg: #8eb0ff;
  --auth-btn-disabled-bg: #2a3a5a;
  --auth-error-bg: #2a1a1a;
  --auth-error-border: #5a2a2a;
  --auth-error-color: #f55;
  --auth-success-bg: #1a2a1a;
  --auth-success-border: #2a4a2a;
  --auth-success-color: #5cc88a;
  --auth-link-color: #6a9eff;
}

.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--auth-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--auth-card-bg);
  border: 1px solid var(--auth-card-border);
  border-radius: 8px;
  box-shadow: 0 4px 24px var(--auth-card-shadow);
  padding: 40px 32px;
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--auth-title-color);
  margin: 0;
}

.auth-logo p {
  font-size: 14px;
  color: var(--auth-subtitle-color);
  margin: 6px 0 0;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--auth-label-color);
}

.auth-field input {
  padding: 10px 12px;
  border: 1px solid var(--auth-input-border);
  border-radius: 6px;
  font-size: 14px;
  color: var(--auth-input-color);
  background: var(--auth-input-bg);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.auth-field input:focus {
  border-color: var(--auth-input-focus-border);
  box-shadow: 0 0 0 3px var(--auth-input-focus-ring);
}

.auth-submit {
  padding: 10px 20px;
  background: var(--auth-btn-bg);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  margin-top: 4px;
}

.auth-submit:hover {
  background: var(--auth-btn-hover-bg);
}

.auth-submit:active {
  background: var(--auth-btn-active-bg);
}

.auth-submit:disabled {
  background: var(--auth-btn-disabled-bg);
  cursor: not-allowed;
}

.auth-error {
  background: var(--auth-error-bg);
  border: 1px solid var(--auth-error-border);
  color: var(--auth-error-color);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  display: none;
}

.auth-error.visible {
  display: block;
}

.auth-success {
  background: var(--auth-success-bg);
  border: 1px solid var(--auth-success-border);
  color: var(--auth-success-color);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  display: none;
}

.auth-success.visible {
  display: block;
}

.auth-links {
  text-align: center;
  margin-top: 16px;
  font-size: 13px;
}

.auth-links a {
  color: var(--auth-link-color);
  text-decoration: none;
}

.auth-links a:hover {
  text-decoration: underline;
}