/* views.css — общие стили для новых 4 вкладок (students / course / flowmap / coverage) */

/* Общая обёртка view */
.view-students, .view-course, .view-flowmap, .view-coverage {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 32px 80px;
}

.view-header { margin-bottom: 28px; }
.view-header h2 { font-size: 24px; margin-bottom: 6px; font-weight: 700; }
.view-lead { color: var(--muted, #9aa0b0); font-size: 15px; }

.empty-state {
  padding: 30px;
  background: var(--surface, #1a1d26);
  border-radius: 8px;
  color: var(--muted, #9aa0b0);
  border: 1px dashed var(--border, #2c313f);
}
.empty-state ol { margin: 14px 0 0 20px; line-height: 1.7; }

/* ============ students.html ============ */
.lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.lesson-card {
  background: var(--surface, #1a1d26);
  border: 1px solid var(--border, #2c313f);
  border-radius: 10px;
  padding: 18px 20px;
  text-decoration: none;
  color: var(--text, #e6e8ee);
  display: block;
  transition: all 0.15s;
}
.lesson-card:hover {
  border-color: var(--accent, #e8b53d);
  transform: translateY(-2px);
}
.lesson-card-id {
  color: var(--accent, #e8b53d);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.lesson-card-title { font-size: 17px; font-weight: 700; margin: 6px 0 8px; }
.lesson-card-meta { color: var(--muted, #9aa0b0); font-size: 13px; margin-bottom: 8px; }
.lesson-card-covered { font-size: 12px; line-height: 1.6; }
.lesson-card-covered code {
  background: var(--surface-2, #232733);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--muted, #9aa0b0);
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 11px;
  margin-right: 2px;
}
.lesson-card-covered .muted { color: var(--muted, #9aa0b0); }

/* ============ course.html ============ */
.course-tree { }
.course-node { padding-left: 0; }
.course-node.level-1 { margin-left: 14px; }
.course-node.level-2 { margin-left: 28px; }
.course-node.level-3 { margin-left: 42px; }
.course-node.level-4 { margin-left: 56px; }
.course-node-row {
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border, #2c313f);
  font-size: 15px;
}
.course-node.level-0 > .course-node-row {
  background: var(--surface, #1a1d26);
  font-weight: 700;
  font-size: 17px;
  padding: 10px 14px;
  border-left: 4px solid var(--accent, #e8b53d);
  margin-top: 20px;
}
.course-node.level-1 > .course-node-row {
  background: var(--surface-2, #232733);
  font-weight: 600;
}
.course-cid {
  background: var(--surface-2, #232733);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 12px;
  color: var(--accent, #e8b53d);
}
.course-name { flex: 1; }
.lesson-badge {
  background: var(--ok, #4ea86e);
  color: #1a1a1a;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.lesson-badge a { color: #1a1a1a; text-decoration: none; }
.lesson-badge.gap {
  background: var(--surface-2, #232733);
  color: var(--muted, #9aa0b0);
}

/* ============ coverage.html ============ */
.coverage-overview {
  text-align: center;
  padding: 28px;
  background: var(--surface, #1a1d26);
  border-radius: 12px;
  margin-bottom: 32px;
  border: 1px solid var(--border, #2c313f);
}
.coverage-big-number { font-size: 42px; font-weight: 700; color: var(--accent, #e8b53d); }
.coverage-percentage { font-size: 20px; color: var(--text, #e6e8ee); margin-top: 4px; }
.coverage-caption { color: var(--muted, #9aa0b0); margin-top: 8px; }

.coverage-bars h3 { margin: 24px 0 12px; font-size: 18px; }
.cov-bar {
  margin-bottom: 12px;
}
.cov-bar-label { font-size: 14px; margin-bottom: 4px; }
.cov-bar-track {
  height: 20px;
  background: var(--surface-2, #232733);
  border-radius: 10px;
  overflow: hidden;
}
.cov-bar-fill {
  height: 100%;
  transition: width 0.4s;
}
.cov-bar-fill--empty { background: var(--surface, #1a1d26); }
.cov-bar-fill--low { background: #d97757; }
.cov-bar-fill--mid { background: #e8b53d; }
.cov-bar-fill--high { background: #4ea86e; }
.cov-bar-numbers { font-size: 12px; color: var(--muted, #9aa0b0); margin-top: 3px; }

.coverage-gaps h3 { margin: 32px 0 12px; font-size: 18px; }
.gap-module {
  background: var(--surface, #1a1d26);
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 10px;
  border-left: 3px solid var(--warn, #d97757);
}
.gap-module summary {
  cursor: pointer;
  font-size: 15px;
}
.gap-list {
  list-style: none;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--border, #2c313f);
}
.gap-list li {
  padding: 4px 0;
  font-size: 13px;
  color: var(--muted, #9aa0b0);
}
.gap-list code {
  background: var(--surface-2, #232733);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--accent, #e8b53d);
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 12px;
}

/* ============ flowmap.html ============ */
.flowmap-content .mermaid {
  background: var(--surface, #1a1d26);
  padding: 20px;
  border-radius: 8px;
  margin: 20px 0;
}