/* Workspace styles for the Practice view.
   Loaded AFTER landing-page.css. Everything is scoped under #practiceView
   so it cannot clash with the landing page styles. */

:root {
  --nav-h: 69px;            /* real value is measured by index.js */
  --sidebar-width: 310px;
}

/* ---------- View switching ---------- */
.view { display: none; }
.view.active { display: block; flex: 1; }

#homeView [id] { scroll-margin-top: calc(var(--nav-h) + 8px); }

/* Practice mode: page does not scroll, workspace fills the space below the navbar */
body.practice-mode {
  height: 100vh;
  overflow: hidden;
}

#practiceView.active {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--nav-h));
  min-height: 0;
  overflow: hidden;
}

/* Active link in the shared navbar */
.nav-link.active {
  color: var(--sage-accent);
  box-shadow: 0 2px 0 var(--sage-accent);
  padding-bottom: 4px;
}

/* Extra hero button */
.btn-outline-sage {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-accent);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.15s ease;
}
.btn-outline-sage:hover {
  background-color: var(--sage-light);
  border-color: var(--sage-accent);
  color: var(--sage-accent);
}
.hero-cta-group { gap: 12px; flex-wrap: wrap; }

/* ---------- Workspace layout ---------- */
#practiceView .workspace {
  display: flex;
  flex: 1;
  min-height: 0;
  width: 100%;
  position: relative;
  overflow: hidden;
}

/* ---------- Sidebar ---------- */
#practiceView .sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-header);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100%;
  overflow: hidden;
  z-index: 90;
  transition: transform 0.25s ease;
}

#practiceView .sidebar-header {
  padding: 14px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-card-alt);
  flex-shrink: 0;
}

#practiceView .practice-counter-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

#practiceView .badge-pill {
  background-color: var(--sage-accent);
  color: var(--bg-card);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 9999px;
}

#practiceView .sidebar-content {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-accent) var(--bg-header);
}

#practiceView .practice-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Pinned Computer Notes card */
#practiceView .pinned-portal-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
#practiceView .pinned-portal-card:hover { border-color: var(--border-accent); background-color: var(--bg-card-alt); }
#practiceView .pinned-portal-card.active { border-color: var(--sage-accent); background-color: var(--sage-light); }

#practiceView .portal-left { display: flex; align-items: center; gap: 10px; min-width: 0; }

#practiceView .portal-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background-color: var(--sage-accent);
  color: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}

#practiceView .portal-meta { min-width: 0; }
#practiceView .portal-meta h2 { font-size: 13px; font-weight: 800; color: var(--text-primary); line-height: 1.2; }
#practiceView .portal-meta p {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#practiceView .portal-link-btn {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background-color: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  color: var(--sage-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  text-decoration: none;
  flex-shrink: 0;
}
#practiceView .portal-link-btn:hover { background-color: var(--sage-accent); color: var(--bg-card); }

#practiceView .sidebar-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  flex-shrink: 0;
}
#practiceView .sidebar-divider::before,
#practiceView .sidebar-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border-color);
}

/* Topic groups */
#practiceView .topic-group {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  transition: border-color 0.15s ease;
}
#practiceView .topic-group:hover { border-color: var(--border-accent); }

#practiceView .topic-title {
  padding: 10px 14px;
  background-color: var(--bg-card-alt);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 800;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}
#practiceView .topic-title:hover { background-color: var(--bg-hover); }

#practiceView .topic-title-left { display: flex; align-items: center; gap: 8px; }
#practiceView .topic-title-left i.topic-icon { color: var(--sage-accent); font-size: 15px; width: 16px; text-align: center; }
#practiceView .topic-title-right { display: flex; align-items: center; gap: 6px; }

#practiceView .subtopic-count-tag {
  font-size: 10px;
  font-weight: 700;
  background: var(--bg-input);
  color: var(--text-secondary);
  padding: 2px 6px;
  border-radius: 9999px;
}

#practiceView .topic-toggle-icon { font-size: 10px; color: var(--text-muted); transition: transform 0.2s ease; }
#practiceView .topic-group.collapsed .topic-toggle-icon { transform: rotate(-90deg); }
#practiceView .topic-group.collapsed .subtopic-nav { display: none; }
#practiceView .topic-group.collapsed .topic-title { border-bottom: none; }

#practiceView .subtopic-nav {
  list-style: none;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

#practiceView .subtopic-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.15s ease;
  border: 1px solid transparent;
  gap: 6px;
}
#practiceView .subtopic-link:hover { background-color: var(--bg-hover); color: var(--text-primary); }
#practiceView .subtopic-link.active {
  background-color: var(--sage-accent);
  color: var(--bg-card);
  font-weight: 700;
  border-color: var(--sage-accent-dark);
}

/* ---------- Right side: top bar + iframe ---------- */
#practiceView .main-viewport {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
  background-color: var(--bg-body);
}

#practiceView .viewport-top-bar {
  padding: 12px 20px;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
}

#practiceView .breadcrumb-trail {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
#practiceView .breadcrumb-trail .active-language { color: var(--text-primary); font-weight: 700; }
#practiceView .breadcrumb-trail .active-subtopic { color: var(--sage-accent); font-weight: 800; }

#practiceView .page-source-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}
#practiceView .open-external-btn { color: var(--sage-accent); text-decoration: none; font-size: 11px; font-weight: 700; }
#practiceView .open-external-btn:hover { text-decoration: underline; }

#practiceView .iframe-wrapper {
  flex: 1;
  position: relative;
  width: 100%;
  min-height: 0;
  background-color: var(--bg-body);
}
#practiceView #externalPageFrame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  background-color: var(--bg-body);
}

/* ---------- Mobile ---------- */
#practiceView .ws-mobile-bar { display: none; }
#practiceView .sidebar-overlay { display: none; }

@media (max-width: 820px) {
  #practiceView .ws-mobile-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
  }

  #practiceView .ws-toggle-btn {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 7px 12px;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
  }

  #practiceView .ws-mobile-current {
    font-size: 13px;
    font-weight: 800;
    color: var(--sage-accent);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  #practiceView .sidebar {
    position: fixed;
    left: 0;
    top: var(--nav-h);
    bottom: 0;
    height: auto;
    transform: translateX(-100%);
  }
  #practiceView .sidebar.open { transform: translateX(0); }

  #practiceView .sidebar-overlay.active {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: var(--nav-h);
    background: rgba(43, 38, 33, 0.45);
    z-index: 85;
  }

  #practiceView .viewport-top-bar { padding: 10px 14px; }
  #practiceView .page-source-pill span { display: none; }
}