/* ===== Signup — Light Mode (same class names, scoped to avoid overriding global .btn) ===== */

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

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background-color: var(--bg, #ffffff);
  color: var(--text, #0f172a);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* -------- Layout -------- */
.signup-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

/* -------- Card -------- */
.signup-container {
  background-color: var(--bg-elev, #ffffff);
  padding: 30px 40px;
  border-radius: 12px;
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--border, #e2e8f0);
  box-shadow: var(--shadow-1, 0 1px 2px rgba(15,23,42,.05), 0 8px 30px rgba(15,23,42,.06));
  text-align: left;
}

.signup-container .logo-image {
  display: block;
  max-width: 60px;
  margin: 0 auto 20px;
}

.signup-container h1 {
  font-size: 26px;
  margin-bottom: 24px;
  font-weight: 800;
  text-align: center;
  color: var(--heading, #0f172a);
}

/* -------- Form -------- */
.signup-container label {
  font-size: 14px;
  display: block;
  margin-bottom: 6px;
  color: var(--text-muted, #475569);
}

.signup-container input {
  width: 100%;
  padding: 12px 15px;
  margin-bottom: 18px;
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 10px;
  background-color: #fff;
  color: var(--text, #0f172a);
  font-size: 15px;
  transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.signup-container input::placeholder { color: #94a3b8; }
.signup-container input:focus {
  outline: 0;
  border-color: var(--accent, #0ea5a4);
  box-shadow: 0 0 0 3px var(--ring, rgba(14,165,164,.35));
}

/* Submit button (scoped) */
.signup-container .btn {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  border: 1px solid var(--accent, #0ea5a4);
  border-radius: 10px;
  background-color: var(--accent, #0ea5a4);
  color: #fff;
  cursor: pointer;
  margin-bottom: 18px;
  transition: background-color .2s ease, transform .1s ease, box-shadow .2s ease;
  box-shadow: var(--shadow-1, 0 1px 2px rgba(15,23,42,.05));
}
.signup-container .btn:hover { background-color: var(--accent-600, #0d9488); }
.signup-container .btn:active { transform: translateY(1px); }
.signup-container .btn:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 3px var(--ring, rgba(14,165,164,.35));
}

/* Footer text + links */
.signup-footer { font-size: 14px; text-align: center; color: var(--text-muted, #475569); }
.signup-footer a {
  color: var(--accent-700, #0b8078);
  text-decoration: none;
}
.signup-footer a:hover { color: var(--accent-600, #0d9488); text-decoration: underline; }

/* -------- Captcha -------- */
.refresh-captcha {
  background-color: var(--accent, #0ea5a4);
  color: #fff;
  border: 1px solid var(--accent, #0ea5a4);
  padding: 8px 12px;
  cursor: pointer;
  font-size: 14px;
  border-radius: 10px;
  transition: background-color .2s ease, box-shadow .2s ease;
}
.refresh-captcha:hover { background-color: var(--accent-600, #0d9488); }
.refresh-captcha:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 3px var(--ring, rgba(14,165,164,.35));
}

.custom-captcha {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: .75rem;
}

.captcha-image-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}
.captcha-image-wrapper img {
  max-width: 180px;
  height: auto;
  border: 1px solid var(--border, #e2e8f0);
  background: #fff;
  border-radius: 8px;
  padding: 4px;
}
.captcha-image-wrapper .refresh-captcha { margin-left: 0; }

.custom-captcha input[name="captcha"] {
  width: 100%;
  padding: 12px;
  font-size: 14px;
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 10px;
  background: #fff;
  color: var(--text, #0f172a);
}
.custom-captcha input[name="captcha"]:focus {
  outline: 0;
  border-color: var(--accent, #0ea5a4);
  box-shadow: 0 0 0 3px var(--ring, rgba(14,165,164,.35));
}

/* -------- Social Auth -------- */
.or-divider {
  display: flex;
  align-items: center;
  text-align: center;
  max-width: 360px;
  margin: .5rem auto 1rem;
  color: var(--text-muted, #64748b);
}
.or-divider::before,
.or-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border, #e2e8f0);
}
.or-divider span { padding: 0 .5rem; }

.social-buttons {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  max-width: 360px;
  margin: 0 auto 1rem;
}
.social-buttons:empty { display: none; }
.social-buttons:empty + .or-divider { display: none; }

.btn-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: .75rem;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  text-decoration: none;
  color: #fff;
  transition: filter .15s ease, transform .1s ease, box-shadow .2s ease;
  box-shadow: var(--shadow-1, 0 1px 2px rgba(15,23,42,.05));
}
.btn-social i { margin-right: .5rem; font-size: 1.1rem; }

.btn-facebook { background: #3b5998; }
.btn-facebook:hover { filter: brightness(0.95); }

.btn-google { background: #db4437; }
.btn-google:hover { filter: brightness(0.95); }

.btn-social:active { transform: translateY(1px); }
.btn-social:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 3px rgba(59,130,246,.35);
}

/* -------- Alerts -------- */
.alert {
  border-radius: 12px;
  padding: 12px 16px;
  margin: 20px auto;
  max-width: 600px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid transparent;
  box-shadow: var(--shadow-1, 0 1px 2px rgba(15,23,42,.05));
  font-size: .95rem;
  position: relative;
  line-height: 1.45;
  text-align: left;
  animation: fadeInSlide .3s ease-in-out;
}
.alert i { font-size: 1.15rem; flex-shrink: 0; margin-right: 8px; }
.alert .btn-close {
  position: absolute;
  top: .75rem; right: .75rem;
  background: none; border: none;
  font-size: 1.1rem; color: inherit;
  opacity: .7; cursor: pointer;
}
.alert .btn-close:hover { opacity: 1; }

.alert.success {
  color: #166534;
  background-color: #ecfdf5;
  border-color: #bbf7d0;
}
.alert.error {
  color: #991b1b;
  background-color: #fef2f2;
  border-color: #fecaca;
}
.alert.warning {
  color: #92400e;
  background-color: #fffbeb;
  border-color: #fde68a;
}
.alert.info {
  color: #075985;
  background-color: #e0f2fe;
  border-color: #bae6fd;
}

@keyframes fadeInSlide {
  0% { opacity: 0; transform: translateY(-6px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* -------- Responsive -------- */
@media (max-width: 768px) {
  .signup-container { padding: 20px 25px; max-width: 90%; }
  .signup-container h1 { font-size: 24px; margin-bottom: 22px; }
  .signup-container label { font-size: 13px; }
  .signup-container input { padding: 11px 14px; font-size: 14px; margin-bottom: 16px; }

  .signup-container .btn { padding: 12px; font-size: 16px; margin-bottom: 16px; }

  .refresh-captcha { padding: 7px 10px; font-size: 13px; }
  .captcha-image-wrapper img { max-width: 150px; }
  .captcha-group { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: .75rem; }

  .social-buttons { gap: .6rem; }
  .btn-social { padding: .7rem; font-size: .95rem; }

  .or-divider { margin: .75rem auto 1rem; max-width: 320px; }

  .alert { padding: 10px 14px; font-size: .9rem; max-width: 90%; }
}

@media (max-width: 767px) {
  .signup-container { padding: 15px 20px; width: 100%; max-width: 100%; }
  .signup-container h1 { font-size: 22px; margin-bottom: 20px; }
  .signup-container label { font-size: 12px; }
  .signup-container input { padding: 10px; font-size: 13px; margin-bottom: 14px; }

  .signup-container .btn { padding: 10px; font-size: 15px; margin-bottom: 14px; }

  .refresh-captcha { padding: 6px 8px; font-size: 12px; }
  .captcha-image-wrapper { flex-direction: column; align-items: center; }
  .captcha-image-wrapper img { max-width: 120px; }
  .captcha-image-wrapper .refresh-captcha { margin: 10px 0 0; }

  .captcha-group { grid-template-columns: 1fr; gap: .5rem; }

  .social-buttons { gap: .5rem; }
  .btn-social { padding: .6rem; font-size: .9rem; }

  .or-divider { margin: .5rem auto; max-width: 280px; }

  .alert { padding: 8px 12px; font-size: .85rem; max-width: 100%; }
}

/* -------- Reduced motion -------- */
@media (prefers-reduced-motion: reduce) {
  .signup-container input,
  .signup-container .btn,
  .refresh-captcha,
  .btn-social { transition: none; }
  .alert { animation: none; }
}