/* ==========================================================================
   UBI Statistical Analysis Toolkit - Components CSS
   ========================================================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:hover:not(:disabled) {
  background: var(--bg-card-hover);
  border-color: var(--text-secondary);
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-primary-hover);
  border-color: var(--accent-primary-hover);
}

.btn-success {
  background: var(--accent-success);
  color: white;
  border-color: var(--accent-success);
}

.btn-sm {
  padding: 4px 8px;
  font-size: 12px;
}

/* Parameter Selector Cards */
.param-card-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 6px;
  margin-top: 4px;
}

.param-btn {
  padding: 8px 6px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
}

.param-btn .icon {
  font-size: 16px;
}

.param-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-focus);
}

.param-btn.active {
  background: rgba(0, 101, 189, 0.15);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: 0 0 8px rgba(0, 101, 189, 0.25);
}

/* Forms */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-control, .form-select {
  width: 100%;
  padding: 7px 10px;
  font-size: 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--border-focus);
}

/* Wizard Section */
.wizard-step {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wizard-step-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.step-num {
  width: 18px;
  height: 18px;
  background: var(--accent-primary);
  color: white;
  border-radius: 50%;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* Test Decision Callout */
.decision-callout {
  background: rgba(0, 101, 189, 0.1);
  border: 1px solid rgba(0, 101, 189, 0.25);
  border-radius: var(--radius-sm);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.decision-title {
  font-size: 12px;
  font-weight: 700;
  color: #58a6ff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.decision-desc {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* APA Citation Copy Box */
.apa-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: #58a6ff;
}

.btn-copy {
  padding: 4px 8px;
  font-size: 11px;
  font-family: var(--font-sans);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  width: 90%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
}

.modal-body {
  padding: 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  line-height: 1.6;
  font-size: 13px;
}

.modal-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  background: var(--bg-tertiary);
}