/* ═══════════════════════════════════════════════════════════
   Auth Page — Sign in / Sign up / Forgot Password
   ═══════════════════════════════════════════════════════════ */

.auth-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100dvh; padding: 24px;
}

.auth-back {
  position: fixed; top: 16px; left: 16px; z-index: 10;
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); transition: all var(--transition);
}
.auth-back:hover { color: var(--text); border-color: var(--accent); }

.auth-card {
  width: 100%; max-width: 400px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 40px 32px;
  box-shadow: var(--shadow-lg);
}

.auth-logo {
  font-size: 28px; font-weight: 800; text-align: center;
  letter-spacing: -.03em; margin-bottom: 6px;
}
.auth-tagline {
  text-align: center; color: var(--muted); font-size: 14px;
  margin-bottom: 32px;
}

/* Google Button */
.auth-google-btn {
  width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 20px;
  font-size: 15px; font-weight: 600; color: var(--text);
  transition: all var(--transition);
}
.auth-google-btn:hover { border-color: var(--accent); background: var(--surface3); }
.auth-google-btn.small {
  padding: 10px 16px; font-size: 14px; margin-top: 10px;
}

/* Divider */
.auth-divider {
  display: flex; align-items: center; gap: 16px;
  margin: 24px 0; color: var(--muted); font-size: 13px;
}
.auth-divider::before, .auth-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

/* Form */
.auth-form { display: flex; flex-direction: column; gap: 12px; }

.auth-input {
  width: 100%; padding: 12px 16px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 15px; outline: none;
  transition: border-color var(--transition);
}
.auth-input:focus { border-color: var(--accent); }
.auth-input::placeholder { color: var(--muted); }

.auth-submit {
  width: 100%; padding: 13px;
  background: var(--accent); color: var(--bg);
  border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 700;
  transition: filter var(--transition);
  margin-top: 4px;
}
.auth-submit:hover { filter: brightness(1.1); }

/* Status messages */
.auth-status { min-height: 20px; text-align: center; font-size: 14px; }
.auth-loading { color: var(--muted); }
.auth-success { color: var(--success); }
.auth-error { color: var(--error); }

.auth-hint {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px;
  text-align: center;
}
.auth-hint p { color: var(--text-dim); font-size: 14px; margin-bottom: 8px; }

/* Toggles */
.auth-toggles {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  margin-top: 20px;
}
.auth-toggle {
  font-size: 13px; color: var(--muted);
  transition: color var(--transition);
}
.auth-toggle:hover { color: var(--accent); }
.auth-toggle strong { color: var(--accent); font-weight: 600; }