/* =====================================================
   evidence-practices.css
   Evidence-Based Micro-Practice System — Styles
   Mobile-first, WCAG 2.1 AA compliant
   ===================================================== */

/* ── Section Layout ──────────────────────────────────────────────────────── */

.ep-section {
  margin-top: 3rem;
  padding: 0 0 2rem;
}

.ep-section__header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.ep-section__header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.5rem;
}

.ep-section__subtitle {
  font-size: 1.05rem;
  color: var(--slate-600);
  margin-bottom: 0.75rem;
}

/* ── Educational Disclaimer ──────────────────────────────────────────────── */

.ep-disclaimer {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: #92400e;
  text-align: left;
  max-width: 700px;
  margin: 0 auto 1.5rem;
  line-height: 1.5;
}

/* ── Framework Introduction Cards ───────────────────────────────────────── */

.ep-framework-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .ep-framework-intro {
    grid-template-columns: 1fr 1fr;
  }
}

.ep-framework-card {
  border-radius: var(--radius-md);
  padding: 1.25rem;
  font-size: 0.9rem;
  line-height: 1.55;
}

.ep-framework-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.ep-framework-card p {
  margin-bottom: 0.75rem;
  color: var(--slate-600);
}

.ep-framework-card--act {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
}

.ep-framework-card--act h3 {
  color: #166534;
}

.ep-framework-card--aba {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
}

.ep-framework-card--aba h3 {
  color: #1e40af;
}

.ep-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal);
  text-decoration: underline;
}

.ep-link:hover,
.ep-link:focus {
  color: var(--teal-dark, #0f766e);
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── Progress Bar ────────────────────────────────────────────────────────── */

.ep-progress-bar-container {
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.ep-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--slate-600);
  margin-bottom: 0.4rem;
}

.ep-progress-track {
  height: 10px;
  background: var(--slate-200);
  border-radius: 999px;
  overflow: hidden;
}

.ep-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--teal) 0%, #10b981 100%);
  border-radius: 999px;
  transition: width 0.5s ease;
}

/* ── Practice Cards Grid ─────────────────────────────────────────────────── */

.ep-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .ep-cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

/* ── Individual Practice Card ────────────────────────────────────────────── */

.ep-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.ep-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.ep-card--completed {
  background: #f0fdf4;
  border-color: #86efac;
}

/* Card Header */
.ep-card__header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.ep-card__emoji {
  font-size: 2rem;
  flex-shrink: 0;
  line-height: 1;
}

.ep-card__meta {
  flex: 1;
  min-width: 0;
}

.ep-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.35rem;
  line-height: 1.3;
}

/* Tags Row */
.ep-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.ep-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
}

.ep-tag--duration {
  background: var(--slate-100);
  color: var(--slate-600);
}

.ep-tag--difficulty {
  text-transform: capitalize;
}

.ep-tag--beginner {
  background: #dcfce7;
  color: #166534;
}

.ep-tag--intermediate {
  background: #fef9c3;
  color: #854d0e;
}

.ep-tag--advanced {
  background: #fee2e2;
  color: #991b1b;
}

.ep-tag--done {
  background: #dcfce7;
  color: #166534;
  font-weight: 700;
}

/* Framework Badges */
.ep-card__badges {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.ep-badge {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.ep-badge__label {
  font-weight: 800;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.ep-badge--act {
  background: #f0fdf4;
  border-color: #86efac;
  color: #166534;
}

.ep-badge--aba {
  background: #eff6ff;
  border-color: #93c5fd;
  color: #1e40af;
}

/* Expandable Details */
.ep-card__details {
  border-top: 1px solid var(--slate-200);
  padding-top: 0.75rem;
}

.ep-card__summary {
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  user-select: none;
}

.ep-card__summary::-webkit-details-marker {
  display: none;
}

.ep-card__summary::before {
  content: '\25B6';
  font-size: 0.65rem;
  transition: transform 0.2s;
}

details[open] > .ep-card__summary::before {
  transform: rotate(90deg);
}

.ep-card__summary:hover {
  color: var(--blue-dark);
}

.ep-card__summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Card Body (expanded) */
.ep-card__body {
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.875rem;
}

.ep-card__body h5 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--slate-800);
  margin-bottom: 0.35rem;
}

.ep-instructions {
  padding-left: 1.35rem;
  color: var(--slate-600);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.ep-instructions li {
  line-height: 1.5;
}

/* Framework Principles */
.ep-principles {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.ep-principle {
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  font-size: 0.8rem;
}

.ep-principle h6 {
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.ep-principle p {
  color: var(--slate-600);
  line-height: 1.5;
  margin-bottom: 0.25rem;
}

.ep-principle__detail {
  font-size: 0.75rem;
  color: var(--slate-600);
}

.ep-principle--act {
  background: #f0fdf4;
  border-left: 3px solid #4ade80;
}

.ep-principle--act h6 {
  color: #166534;
}

.ep-principle--aba {
  background: #eff6ff;
  border-left: 3px solid #60a5fa;
}

.ep-principle--aba h6 {
  color: #1e40af;
}

/* Outcomes */
.ep-outcomes ul {
  padding-left: 1.25rem;
  color: var(--slate-600);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.ep-outcomes li {
  font-size: 0.8rem;
  line-height: 1.5;
}

/* Practice Button */
.ep-card__action {
  margin-top: auto;
}

.ep-btn-practice {
  width: 100%;
  padding: 0.65rem 1rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, var(--teal) 0%, #059669 100%);
  color: var(--white);
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}

.ep-btn-practice:hover:not([disabled]) {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.ep-btn-practice:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
}

.ep-btn-practice--done,
.ep-btn-practice[disabled] {
  background: var(--slate-200);
  color: var(--slate-600);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
  opacity: 1;
}

/* ── Reflection Modal ────────────────────────────────────────────────────── */

.ep-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1rem;
  animation: ep-fade-in 0.15s ease;
}

@keyframes ep-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.ep-modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: ep-slide-up 0.2s ease;
}

@keyframes ep-slide-up {
  from { transform: translateY(12px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.ep-modal h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.75rem;
}

.ep-modal__prompt {
  font-size: 0.95rem;
  color: var(--slate-600);
  margin-bottom: 1rem;
  line-height: 1.55;
  font-style: italic;
}

.ep-modal__textarea {
  width: 100%;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.85rem;
  font-size: 0.9rem;
  font-family: inherit;
  resize: vertical;
  color: var(--slate-900);
  background: var(--slate-50);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.ep-modal__textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.ep-modal__actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.ep-btn-primary {
  flex: 1;
  padding: 0.65rem 1rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, var(--teal) 0%, #059669 100%);
  color: var(--white);
  transition: opacity var(--transition);
}

.ep-btn-primary:hover { opacity: 0.9; }

.ep-btn-primary:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
}

.ep-btn-secondary {
  flex: 1;
  padding: 0.65rem 1rem;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--white);
  color: var(--slate-600);
  transition: background var(--transition), border-color var(--transition);
  text-align: center;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ep-btn-secondary:hover {
  background: var(--slate-100);
  border-color: var(--slate-400);
}

.ep-btn-secondary:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

/* ── Toast Notification ──────────────────────────────────────────────────── */

.ep-toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(2rem);
  background: var(--slate-900);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  white-space: nowrap;
}

.ep-toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Reassessment Prompt ─────────────────────────────────────────────────── */

.ep-reassessment-prompt {
  text-align: center;
  padding: 1.5rem;
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  color: var(--slate-600);
  font-size: 0.95rem;
  line-height: 1.6;
}

.ep-reassessment-prompt p {
  margin-bottom: 1rem;
}

.ep-reassessment-link {
  text-decoration: none;
}

/* ── Utility ─────────────────────────────────────────────────────────────── */

.hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Reduced motion ──────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .ep-card,
  .ep-btn-practice,
  .ep-progress-fill,
  .ep-modal-overlay,
  .ep-modal,
  .ep-toast {
    transition: none;
    animation: none;
  }
}