/* ==========================================================
   SENMASTER 2026 — Registration Page Styles
   ========================================================== */

.reg-page {
  min-height: 100vh;
  background: var(--color-bg);
  padding-bottom: var(--space-4xl);
}

/* ── Page Header ───────────────────────────────────── */
.reg-header {
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.reg-header .section-label { margin-bottom: var(--space-md); }
.reg-header h1 { margin-bottom: var(--space-md); }

/* ── Category Selector ─────────────────────────────── */
.cat-selector {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.cat-btn {
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  cursor: pointer;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.cat-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.cat-btn:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.cat-btn.active,
.cat-btn.selected {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, #f0f5ff, #ffffff);
  box-shadow: 0 4px 14px rgba(0, 63, 138, 0.12);
  transform: translateY(-2px);
}

.cat-btn__check {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: transparent;
  transition: all var(--transition-fast);
  z-index: 2;
}

.cat-btn.active .cat-btn__check,
.cat-btn.selected .cat-btn__check {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 63, 138, 0.3);
}

.cat-btn__icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.cat-btn__label {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  display: block;
}

.cat-btn__desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  display: block;
}

@media (max-width: 900px) {
  .cat-selector { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .cat-selector { grid-template-columns: 1fr; }
}

/* ── Form Wrapper ──────────────────────────────────── */
.reg-form-wrapper {
  max-width: 760px;
  margin-inline: auto;
  padding: var(--space-2xl);
}

/* ── Step Indicator ────────────────────────────────── */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: var(--space-2xl);
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.step__num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: all var(--transition-base);
}

.step.active .step__num {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  box-shadow: 0 0 0 4px rgba(0,63,138,0.15);
}

.step.done .step__num {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.step.done .step__num::before { content: '✓'; }

.step__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.step.active .step__label { color: var(--color-primary); }

.step__line {
  flex: 1;
  height: 2px;
  background: var(--color-border);
  min-width: 48px;
  max-width: 120px;
  margin-bottom: 20px;
  transition: background var(--transition-base);
}

.step__line.done { background: var(--color-success); }

/* ── Form Elements ─────────────────────────────────── */
.form-step__title {
  font-size: 1.3rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.form-label {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-input {
  width: 100%;
  padding: 0.65rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,63,138,0.1);
}

.form-input.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220,53,69,0.1);
}

.form-input.valid {
  border-color: var(--color-success);
}

.form-select { cursor: pointer; }

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  font-size: 0.75rem;
  color: var(--color-error);
  display: none;
}

.form-error.show { display: block; }

.form-hint {
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-align: right;
}

/* Checkbox / Radio */
.checkbox-group,
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.checkbox-label,
.radio-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  cursor: pointer;
  color: var(--color-text);
}

.checkbox-label input,
.radio-label input {
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* File Upload */
.file-upload {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  background: var(--color-bg);
}

.file-upload:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-alt);
}

.file-upload.dragover {
  border-color: var(--color-primary);
  background: rgba(0,63,138,0.05);
}

.file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.file-upload__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  pointer-events: none;
}

.file-upload__placeholder span:first-child { font-size: 2rem; }

.file-upload__name {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 600;
}

/* Cat Fields */
.cat-fields { display: none; }
.cat-fields.active { display: block; }
.hidden { display: none !important; }

/* ── Form Nav ──────────────────────────────────────── */
.form-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

/* ── Summary Card ──────────────────────────────────── */
.summary-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}

.summary-row {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
}

.summary-row:last-child { border-bottom: none; }
.summary-key {
  font-weight: 600;
  color: var(--color-text-muted);
  min-width: 160px;
  flex-shrink: 0;
}
.summary-val { color: var(--color-text); }

/* ── Success State ─────────────────────────────────── */
.reg-success {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
}

.reg-success__icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
}

.reg-success h2 {
  font-size: 1.8rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-md);
}

.reg-success p {
  color: var(--color-text-muted);
  max-width: 500px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

.reg-success__id {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-xl);
  display: inline-flex;
  gap: var(--space-md);
  align-items: center;
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
}

.reg-success__id strong {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-primary);
  letter-spacing: 0.05em;
}

/* ── Unified Form Helpers ──────────────────────────── */
.conditional-group {
  transition: all var(--transition-base);
}

.conditional-group.hidden {
  display: none !important;
}

.attendance-card-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xs);
}

@media (max-width: 600px) {
  .attendance-card-group {
    grid-template-columns: 1fr;
  }
}

.attendance-option {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  background: var(--color-white);
  transition: all var(--transition-fast);
}

.attendance-option:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-alt);
}

.attendance-option input[type="radio"] {
  margin-top: 3px;
  accent-color: var(--color-primary);
}

.attendance-option.selected {
  border-color: var(--color-primary);
  background: rgba(0, 63, 138, 0.04);
}

.attendance-option__title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 2px;
}

.attendance-option__desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.35;
}

.form-section-divider {
  margin: var(--space-xl) 0;
  border: none;
  border-top: 1px dashed var(--color-border);
}

.file-format-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-top: 4px;
}

/* ── Multi-Activity Selection Badge & Cards ────────── */
.selected-activities-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #eef4ff;
  color: var(--color-primary);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(0, 63, 138, 0.2);
  transition: all var(--transition-fast);
}

.cat-fields {
  display: block;
}

.cat-fields.hidden {
  display: none !important;
}

.cat-fields-card {
  background: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.cat-fields-card:hover {
  border-color: rgba(0, 63, 138, 0.3);
  box-shadow: var(--shadow-md);
}

.cat-fields-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1.5px solid #edf2f7;
}

.cat-fields-card__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cat-fields-card__badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: #eef4ff;
  color: var(--color-primary);
  padding: 3px 9px;
  border-radius: var(--radius-sm);
}

.activity-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.activity-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: #f0f5ff;
  color: var(--color-primary-dark);
  border: 1px solid rgba(0, 63, 138, 0.2);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
}