/* ============================================
   APP STYLES — Cell to Citizen Program
   Matches landing page design tokens.
   ============================================ */

/* ---- Nav ---- */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--surface-border);
}

.app-nav-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.03em;
}

.nav-logo-mark {
  color: var(--accent);
  font-size: 0.7rem;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-user {
  font-size: 0.85rem;
  color: var(--muted);
}

.nav-logout {
  background: none;
  border: 1px solid var(--surface-border);
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.375rem 0.875rem;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.nav-logout:hover {
  border-color: var(--accent-dim);
  color: var(--fg);
}

/* ---- Layout ---- */
.app-main {
  min-height: calc(100vh - 60px);
  padding: 3rem 0 6rem;
}

.app-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
}

.lesson-container {
  max-width: 760px;
}

/* ---- Page header ---- */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 3rem;
  gap: 2rem;
}

.page-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.1;
}

/* ---- Progress ring ---- */
.overall-progress {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.progress-ring-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.progress-ring-pct {
  position: absolute;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
}

.progress-ring-label {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.4;
}

/* ---- Module grid ---- */
.module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.module-card {
  display: block;
  text-decoration: none;
  color: var(--fg);
  background: var(--surface);
  border: 1px solid var(--surface-border);
  padding: 2rem;
  transition: border-color 0.2s, transform 0.15s;
  position: relative;
  overflow: hidden;
}

.module-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}

.module-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.module-icon {
  color: var(--accent);
  font-size: 0.75rem;
}

.module-status {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.25rem 0.625rem;
  border: 1px solid;
}

.status-new { color: var(--muted); border-color: var(--surface-border); }
.status-active { color: var(--accent); border-color: var(--accent-dim); }
.status-done { color: #6bcf8a; border-color: rgba(107, 207, 138, 0.4); }

.module-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--surface-border);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}

.module-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.module-progress-bar {
  height: 2px;
  background: var(--surface-border);
  margin-bottom: 0.5rem;
}

.module-progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.4s ease;
}

.module-progress-text {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---- Program note ---- */
.program-note {
  border-left: 2px solid var(--accent-dim);
  padding: 1.5rem 1.75rem;
}

.program-note .note-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.program-note p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.breadcrumb a:hover { color: var(--fg); }
.bc-sep { opacity: 0.4; }

/* ---- Module header ---- */
.module-header {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--surface-border);
}

.module-header-icon {
  font-size: 2rem;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 0.25rem;
}

.module-header-meta {
  flex: 1;
}

.module-header-desc {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
  margin-top: 0.75rem;
  max-width: 500px;
}

.module-header-progress {
  flex-shrink: 0;
  text-align: right;
}

.big-pct {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}

.big-pct-label {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

/* ---- Lessons list ---- */
.lessons-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 2.5rem;
}

.lesson-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--surface-border);
  border-top: none;
  text-decoration: none;
  color: var(--fg);
  transition: background 0.15s, border-color 0.15s;
}

.lesson-row:first-child {
  border-top: 1px solid var(--surface-border);
}

.lesson-row:hover {
  background: var(--surface);
  border-color: var(--accent-dim);
  z-index: 1;
  position: relative;
}

.lesson-row.lesson-done {
  opacity: 0.75;
}

.lesson-row.lesson-done:hover {
  opacity: 1;
}

.lesson-num {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--surface-border);
  flex-shrink: 0;
  width: 2rem;
}

.lesson-info {
  flex: 1;
}

.lesson-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
}

.lesson-has-reflection {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

.lesson-status-icon {
  flex-shrink: 0;
}

.check-done {
  color: #6bcf8a;
  font-size: 1rem;
  font-weight: 700;
}

.check-empty {
  color: var(--accent);
  font-size: 1rem;
  opacity: 0.6;
  transition: opacity 0.15s;
}

.lesson-row:hover .check-empty {
  opacity: 1;
}

.back-link-wrap {
  margin-top: 1rem;
}

.back-link {
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.back-link:hover {
  color: var(--fg);
}

/* ---- Lesson page ---- */
.lesson-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.lesson-title-main {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-top: 0.5rem;
}

.completion-badge {
  flex-shrink: 0;
  background: rgba(107, 207, 138, 0.1);
  border: 1px solid rgba(107, 207, 138, 0.3);
  color: #6bcf8a;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.375rem 0.875rem;
  white-space: nowrap;
  margin-top: 0.5rem;
}

.lesson-progress-track {
  height: 2px;
  background: var(--surface-border);
  margin-bottom: 3rem;
}

.lesson-progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s;
}

/* Lesson content prose */
.lesson-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--fg);
  margin-bottom: 3rem;
}

.lesson-content p {
  margin-bottom: 1.5rem;
  color: rgba(240, 236, 228, 0.9);
}

.lesson-content p:last-child {
  margin-bottom: 0;
}

.lesson-content strong {
  color: var(--fg);
  font-weight: 600;
}

/* ---- Reflection ---- */
.reflection-block {
  background: rgba(201, 162, 39, 0.04);
  border: 1px solid var(--accent-dim);
  padding: 2rem;
  margin-bottom: 2.5rem;
}

.reflection-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: 0.875rem;
}

.reflection-prompt {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--fg);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.reflection-textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  padding: 1rem;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
  min-height: 180px;
}

.reflection-textarea:focus {
  border-color: var(--accent-dim);
}

.reflection-textarea::placeholder {
  color: var(--muted);
  opacity: 0.5;
}

/* ---- Lesson actions ---- */
.lesson-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.btn-complete {
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  padding: 0.875rem 2rem;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-complete:hover {
  background: #d9b030;
}

.btn-skip {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.82rem;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-decoration-color: var(--surface-border);
  transition: color 0.15s;
}

.btn-skip:hover {
  color: var(--fg);
}

/* ---- Lesson nav ---- */
.lesson-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--surface-border);
  margin-top: 2rem;
  flex-wrap: wrap;
}

.lesson-nav-btn {
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
  max-width: 40%;
}

.lesson-nav-btn:hover {
  color: var(--fg);
}

.lesson-nav-next {
  text-align: right;
  margin-left: auto;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .module-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
    gap: 1.5rem;
  }

  .module-header {
    flex-direction: column;
    gap: 1.25rem;
  }

  .module-header-progress {
    text-align: left;
  }

  .lesson-header {
    flex-direction: column;
  }

  .lesson-nav-btn {
    max-width: 100%;
  }

  .lesson-nav-next {
    margin-left: 0;
  }
}