:root {
  --tdoct-white: #fff;
  --tdoct-black: #000;
  --tdoct-teal: #58b4b3;
  --text: var(--tdoct-black);
  --muted: color-mix(in srgb, var(--tdoct-black) 55%, var(--tdoct-white));
  --border: color-mix(in srgb, var(--tdoct-black) 12%, var(--tdoct-white));
  --bg: #f6f8f8;
  --error: #c0392b;
  --success: #1a7f4b;
  --info: #2e6fdd;
}

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

body.auth-page {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.auth-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

.auth-brand {
  background: var(--tdoct-black);
  color: var(--tdoct-white);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

.auth-logo {
  width: min(240px, 100%);
  height: auto;
  margin-bottom: 1rem;
}

.auth-brand h1 {
  font-size: 1.75rem;
  font-weight: 600;
}

.auth-brand p {
  color: color-mix(in srgb, var(--tdoct-white) 70%, transparent);
  line-height: 1.6;
  max-width: 360px;
}

.auth-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--tdoct-white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 8px 32px color-mix(in srgb, var(--tdoct-black) 6%, transparent);
}

.auth-card h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.auth-subtitle {
  color: var(--muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.auth-form { display: grid; gap: 1rem; }

.form-group { display: grid; gap: 0.35rem; }

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
}

.form-group input {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  width: 100%;
  transition: border-color 0.15s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--tdoct-teal);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--tdoct-teal) 20%, transparent);
}

.password-field {
  position: relative;
}

.password-field input {
  padding-right: 2.75rem;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 0.5rem;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.password-toggle:hover,
.password-toggle:focus-visible {
  color: var(--tdoct-teal);
  background: color-mix(in srgb, var(--tdoct-teal) 12%, transparent);
  outline: none;
}

.password-toggle [data-icon-hide] {
  display: none;
}

.password-toggle.is-visible [data-icon-show] {
  display: none;
}

.password-toggle.is-visible [data-icon-hide] {
  display: inline;
}

.form-actions-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-actions { margin-top: 0.5rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border: none;
  border-radius: 8px;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}

.btn-primary {
  background: var(--tdoct-teal);
  color: var(--tdoct-white);
  width: 100%;
}

.btn-primary:hover { filter: brightness(0.95); }
.btn-primary:active { transform: scale(0.99); }

.auth-link {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.875rem;
}

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

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

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.alert-error {
  background: color-mix(in srgb, var(--error) 10%, var(--tdoct-white));
  color: var(--error);
  border: 1px solid color-mix(in srgb, var(--error) 25%, var(--tdoct-white));
}

.alert-success {
  background: color-mix(in srgb, var(--success) 10%, var(--tdoct-white));
  color: var(--success);
  border: 1px solid color-mix(in srgb, var(--success) 25%, var(--tdoct-white));
}

.alert-info {
  background: color-mix(in srgb, var(--info) 10%, var(--tdoct-white));
  color: var(--info);
  border: 1px solid color-mix(in srgb, var(--info) 25%, var(--tdoct-white));
  word-break: break-all;
}

@media (max-width: 768px) {
  .auth-container { grid-template-columns: 1fr; }
  .auth-brand { padding: 2rem; min-height: auto; }
}