/* ============================================================
   InternHub — Sign Up Page Styles
   ============================================================ */

.signup-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 64px);
}

/* ===== LEFT PANEL ===== */
.signup-left {
  background: linear-gradient(160deg, rgba(124,92,255,0.08) 0%, transparent 60%);
  border-right: 1px solid var(--border);
  padding: 4rem 3rem;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.signup-left-inner {
  max-width: 440px;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  position: sticky;
  top: 100px;
}

.signup-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(124,92,255,0.1);
  border: 1px solid rgba(124,92,255,0.25);
  border-radius: 100px;
  padding: 0.375rem 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--secondary);
  width: fit-content;
}

.signup-headline {
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.signup-subheadline {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
}

.signup-perks {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.perk {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.perk-icon {
  font-size: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.perk-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.perk-desc {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.55;
}

.testimonial-mini {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
}

.tm-text {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 0.375rem;
}

.tm-name {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
}

/* ===== RIGHT PANEL ===== */
.signup-right {
  padding: 4rem 3rem;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
}

.signup-form-card {
  width: 100%;
  max-width: 480px;
}

.form-header {
  margin-bottom: 2rem;
}

.form-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.375rem;
}

.form-subtitle {
  font-size: 0.9375rem;
  color: var(--muted);
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.field-hint {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

.field-error {
  font-size: 0.75rem;
  color: var(--error);
  margin-top: 0.25rem;
  min-height: 1rem;
}

.submit-btn {
  width: 100%;
  margin-top: 0.5rem;
  font-size: 1rem;
  padding: 0.9375rem;
}

.form-fine-print {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.6;
}

/* ===== SUCCESS STATE ===== */
.success-state {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
  padding: 3rem 1rem;
}

.success-state.visible {
  display: flex;
}

.success-icon {
  font-size: 4rem;
  animation: pop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes pop {
  0% { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.success-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.success-desc {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.65;
  max-width: 340px;
}

/* ===== SPIN ANIMATION ===== */
.spin {
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .signup-layout {
    grid-template-columns: 1fr;
  }

  .signup-left {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 3rem 1.5rem;
  }

  .signup-left-inner {
    position: static;
    max-width: 100%;
  }

  .signup-right {
    padding: 2.5rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}