/* ============================================
   SHARED — Reset, Variables, Topbar, Progress,
   Forms, Errors, Responsive Breakpoints
   ============================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --col-white: #ffffff;
  --col-offwhite: #f8f9fc;
  --col-light: #f0f2f7;
  --col-border: #e2e6ee;
  --col-muted: #94a3b8;
  --col-body: #475569;
  --col-heading: #1e293b;
  --col-dark: #0f172a;
  --col-primary: #1e3a5f;
  --col-primary-light: #2d5a8e;
  --col-primary-dark: #142844;
  --col-primary-bg: #eef3f9;
  --col-accent: #0d9488;
  --col-accent-light: #14b8a6;
  --col-accent-dark: #0a7a70;
  --col-accent-bg: #ecfdf5;
  --col-cta: #e8613a;
  --col-cta-hover: #d4512c;
  --col-card: #ffffff;
  --col-shadow: rgba(15, 23, 42, 0.08);
  --col-shadow-lg: rgba(15, 23, 42, 0.12);
  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 0.2s;
}

html { font-size: 16px; background: var(--col-offwhite); color: var(--col-body); }
body { font-family: var(--font-body); line-height: 1.6; -webkit-font-smoothing: antialiased; min-height: 100vh; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: var(--col-primary); color: var(--col-white); }

/* Top bar */
.topbar {
  background: var(--col-white);
  border-bottom: 1px solid var(--col-border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--col-primary);
}

.topbar-back {
  font-size: 0.9rem;
  color: var(--col-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--dur-fast);
}

.topbar-back:hover { color: var(--col-primary); }

/* Progress steps */
.progress-bar {
  background: var(--col-white);
  border-bottom: 1px solid var(--col-border);
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--col-muted);
}

.step.active { color: var(--col-primary); }
.step.active .step-num { background: var(--col-primary); color: var(--col-white); }
.step.completed { color: var(--col-accent); }
.step.completed .step-num { background: var(--col-accent); color: var(--col-white); }

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--col-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

.step-connector {
  width: 60px;
  height: 2px;
  background: var(--col-border);
  margin: 0 0.75rem;
}

.step-connector.completed { background: var(--col-accent); }

/* Form fields */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--col-heading);
  margin-bottom: 0.4rem;
}

.form-group .helper-text {
  font-size: 0.8rem;
  color: var(--col-muted);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--col-border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: var(--col-heading);
  background: var(--col-white);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--col-primary-light);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--col-muted);
}

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

/* Validation */
.form-group.error input,
.form-group.error textarea,
.form-group.error select {
  border-color: #dc2626;
}

.error-msg {
  font-size: 0.8rem;
  color: #dc2626;
  margin-top: 0.35rem;
  display: none;
}

.form-group.error .error-msg { display: block; }

/* Shared responsive */
@media (max-width: 600px) {
  .topbar { padding: 0.75rem 1.25rem; }
  .step span { display: none; }
  .step-connector { width: 30px; }
  .form-row { grid-template-columns: 1fr; }
}