/* ================================================================
   lms.css — Learning Management System page styles
   ================================================================ */

/* ── SCREEN SWITCHING ──────────────────────────────────────── */
.lms-screen[hidden] { display: none; }

/* ── STATS STRIP ───────────────────────────────────────────── */
.lms-stats-strip {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: var(--s4) 0;
}
.lms-stats-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s7);
  flex-wrap: wrap;
}
.lms-stat        { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.lms-stat-num    { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; color: var(--navy); line-height: 1; }
.lms-stat-label  { font-size: .76rem; color: var(--navy-300); font-weight: 500; }
.lms-stat-divider{ width: 1px; height: 36px; background: var(--border); }
@media (max-width: 560px) { .lms-stat-divider { display: none; } }

/* ── TOOLBAR ───────────────────────────────────────────────── */
.lms-toolbar {
  display: flex;
  align-items: center;
  gap: var(--s4);
  margin-bottom: var(--s6);
  flex-wrap: wrap;
}
.lms-tabs {
  display: flex;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  flex-wrap: wrap;
}
.lms-filter-tab {
  padding: .5rem var(--s4);
  font-size: .84rem;
  font-weight: 500;
  color: var(--navy-300);
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--fast);
}
.lms-filter-tab:last-child { border-right: none; }
.lms-filter-tab:hover      { color: var(--navy); background: var(--page-bg); }
.lms-filter-tab.active     { background: var(--navy); color: var(--white); font-weight: 600; }

.lms-toolbar-right { margin-left: auto; }
.lms-search        { min-width: 220px; }

/* ── COURSES GRID ──────────────────────────────────────────── */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s4);
}
@media (max-width: 1200px) { .courses-grid { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 860px)  { .courses-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 540px)  { .courses-grid { grid-template-columns: 1fr; } }

/* ── COURSE CARD ───────────────────────────────────────────── */
.course-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: all var(--mid);
}
.course-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(201,146,42,.3);
}

.course-card-cover {
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.8rem;
  position: relative;
  overflow: hidden;
}
.course-card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.08) 0%, transparent 60%);
  pointer-events: none;
}

.course-card-body {
  padding: var(--s4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}
.course-level-badge {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gold);
}
.course-card-title {
  font-family: var(--font-display);
  font-size: .97rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.35;
}
.course-card-desc {
  font-size: .82rem;
  color: var(--navy-300);
  line-height: 1.55;
  flex: 1;
}

.course-card-footer {
  padding: var(--s3) var(--s4);
  border-top: 1px solid var(--surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
}
.course-meta-item { font-size: .76rem; color: var(--navy-300); display: flex; align-items: center; gap: 4px; }

/* Progress bar inside card (for enrolled courses) */
.course-progress-wrap { margin-top: var(--s2); }
.course-progress-label{ font-size: .74rem; color: var(--navy-300); margin-bottom: 4px; display: flex; justify-content: space-between; }
.course-progress-track{ height: 5px; background: var(--surface); border-radius: var(--r-pill); overflow: hidden; }
.course-progress-fill { height: 100%; border-radius: var(--r-pill); background: var(--green); transition: width .6s ease; }

/* ── SKELETON ──────────────────────────────────────────────── */
.course-skeleton { height: 260px; border-radius: var(--r-lg); }
#skeleton-grid { display: none; }

/* ── EMPTY STATE ───────────────────────────────────────────── */
.empty-state {
  display: none;
  text-align: center;
  padding: var(--s10) var(--s5);
  flex-direction: column;
  align-items: center;
  gap: var(--s3);
}
.empty-state.visible { display: flex; }
.empty-state h3 { font-family: var(--font-display); font-size: 1.3rem; color: var(--navy); }
.empty-state p  { color: var(--navy-300); }

/* ── COURSE HERO ───────────────────────────────────────────── */
.course-hero {
  padding: var(--s6) 0;
  position: relative;
  overflow: hidden;
}
.back-btn {
  margin-bottom: var(--s4);
  color: rgba(255,255,255,0.85) !important;
  border-color: rgba(255,255,255,0.25) !important;
}
.back-btn:hover {
  background: rgba(255,255,255,0.1) !important;
  color: var(--white) !important;
}

.course-hero-inner {
  display: flex;
  align-items: flex-start;
  gap: var(--s5);
  flex-wrap: wrap;
}
.course-hero-icon {
  width: 80px; height: 80px;
  border-radius: var(--r-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  flex-shrink: 0;
  border: 2px solid rgba(255,255,255,.2);
}
.course-hero-text { flex: 1; min-width: 240px; }
.course-hero-level  { font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--gold); margin-bottom: var(--s2); }
.course-hero-title  { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; color: var(--white); line-height: 1.25; margin-bottom: var(--s3); }
.course-hero-meta   { display: flex; gap: var(--s4); flex-wrap: wrap; }
.course-hero-meta-item { font-size: .84rem; color: rgba(255,255,255,.6); display: flex; align-items: center; gap: 5px; }
.course-hero-meta-item span { color: rgba(255,255,255,.85); font-weight: 500; }

.course-hero-progress {
  min-width: 200px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--r-lg);
  padding: var(--s4);
  display: flex;
  flex-direction: column;
  gap: var(--s3);
  align-self: flex-start;
  margin-top: var(--s2);
}
.chp-label { font-size: .8rem; color: rgba(255,255,255,.55); font-weight: 500; }
.chp-pct   { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--white); line-height: 1; }
.chp-track { height: 8px; background: rgba(255,255,255,.15); border-radius: var(--r-pill); overflow: hidden; }
.chp-fill  { height: 100%; background: var(--gold); border-radius: var(--r-pill); transition: width .8s cubic-bezier(.34,1.2,.64,1); }
.chp-sub   { font-size: .76rem; color: rgba(255,255,255,.45); }

/* ── COURSE LAYOUT ─────────────────────────────────────────── */
.course-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--s6);
  align-items: start;
}
@media (max-width: 960px) { .course-layout { grid-template-columns: 1fr; } }

/* ── LESSONS PANEL ─────────────────────────────────────────── */
.lessons-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  position: sticky;
  top: var(--s4);
}
@media (max-width: 960px) { .lessons-panel { position: static; } }

.lessons-panel-header {
  padding: var(--s4) var(--s5);
  border-bottom: 1px solid var(--border);
  background: var(--page-bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.lessons-panel-header h3 {
  font-family: var(--font-display);
  font-size: .97rem;
  font-weight: 600;
  color: var(--navy);
}
.lessons-meta { font-size: .78rem; color: var(--navy-300); }

.lessons-list { display: flex; flex-direction: column; }

/* Module (group) */
.lesson-module {
  border-bottom: 1px solid var(--border);
}
.lesson-module:last-child { border-bottom: none; }

.lesson-module-header {
  padding: var(--s3) var(--s5);
  background: var(--page-bg);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--navy-300);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.module-count { font-size: .72rem; color: var(--navy-300); font-weight: 400; text-transform: none; letter-spacing: 0; }

#modal-create-course,
#modal-add-module {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(12,27,46,.55);
  backdrop-filter: blur(3px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 280ms ease, visibility 280ms ease;
}

#modal-create-course .modal,
#modal-add-module .modal {
  max-height: 85vh;
  overflow-y: auto;
}

#modal-create-course.open,
#modal-add-module.open {
  opacity: 1;
  visibility: visible;
}

#modal-create-course .form-label:first-of-type,
#modal-add-module .form-label:first-of-type {
  color: var(--white);
  font-weight: 600;
}

#modal-create-course .form-label,
#modal-add-module .form-label {
  color: var(--navy);
  font-weight: 600;
}
/* Lesson row */
.lesson-row {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: var(--s3) var(--s5);
  border-bottom: 1px solid var(--surface);
  cursor: pointer;
  transition: background var(--fast);
  text-decoration: none;
}
.lesson-row:last-child { border-bottom: none; }
.lesson-row:hover     { background: var(--gold-pale); }
.lesson-row.active    { background: var(--gold-pale); border-left: 3px solid var(--gold); }
.lesson-row.completed { opacity: .7; }

.lesson-row-icon {
  width: 32px; height: 32px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  flex-shrink: 0;
}
.lesson-row-icon.done    { background: var(--green-pale); }
.lesson-row-icon.active  { background: var(--gold-pale); }
.lesson-row-icon.pending { background: var(--surface); }

.lesson-row-info { flex: 1; min-width: 0; }
.lesson-row-title{ font-size: .875rem; color: var(--navy); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lesson-row-meta { font-size: .74rem; color: var(--navy-300); margin-top: 1px; display: flex; align-items: center; gap: var(--s2); }

.lesson-check { color: var(--green); font-size: .9rem; flex-shrink: 0; }

/* ── LESSON VIEWER ─────────────────────────────────────────── */
.lesson-viewer {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  min-height: 500px;
}

.lesson-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 500px;
  gap: var(--s3);
  text-align: center;
  padding: var(--s6);
}
.lesson-placeholder h3 { font-family: var(--font-display); font-size: 1.3rem; color: var(--navy); }
.lesson-placeholder p  { color: var(--navy-300); }

.lesson-content { display: flex; flex-direction: column; }

/* Lesson content header */
.lc-header {
  padding: var(--s5) var(--s6);
  border-bottom: 1px solid var(--border);
  background: var(--page-bg);
}
.lc-breadcrumb { font-size: .75rem; color: var(--navy-300); margin-bottom: var(--s2); }
.lc-title { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; color: var(--navy); }
.lc-meta  { display: flex; gap: var(--s4); margin-top: var(--s2); flex-wrap: wrap; }
.lc-meta-item { font-size: .78rem; color: var(--navy-300); display: flex; align-items: center; gap: 4px; }

/* Video mock */
.lc-video {
  background: var(--navy);
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.lc-video::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(201,146,42,.18), transparent 60%);
  pointer-events: none;
}
.lc-video-play {
  width: 70px; height: 70px;
  background: rgba(255,255,255,.15);
  border: 2px solid rgba(255,255,255,.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  backdrop-filter: blur(4px);
  transition: all var(--mid);
  position: relative;
}
.lc-video:hover .lc-video-play { background: var(--gold); border-color: var(--gold); transform: scale(1.08); }
.lc-video-label { position: absolute; bottom: var(--s4); left: var(--s5); font-size: .78rem; color: rgba(255,255,255,.55); }

/* Lesson body text */
.lc-body {
  padding: var(--s5) var(--s6);
  display: flex;
  flex-direction: column;
  gap: var(--s5);
}
.lc-section-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--s3);
}
.lc-text {
  font-size: .9rem;
  color: var(--navy-500);
  line-height: 1.8;
}

/* Key points box */
.lc-keypoints {
  background: var(--page-bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s4) var(--s5);
}
.lc-keypoints-title { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--gold); margin-bottom: var(--s3); }
.lc-keypoints-list  { display: flex; flex-direction: column; gap: var(--s2); }
.lc-keypoint        { display: flex; align-items: flex-start; gap: var(--s2); font-size: .875rem; color: var(--navy-500); line-height: 1.55; }
.lc-keypoint-dot    { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); flex-shrink: 0; margin-top: 7px; }

/* Assignment box */
.lc-assignment {
  background: var(--navy);
  border-radius: var(--r-lg);
  padding: var(--s5);
  display: flex;
  align-items: flex-start;
  gap: var(--s4);
  position: relative;
  overflow: hidden;
}
.lc-assignment::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 90% 30%, rgba(201,146,42,.18), transparent);
  pointer-events: none;
}
.lc-assignment-icon { font-size: 2rem; flex-shrink: 0; position: relative; }
.lc-assignment-body { flex: 1; position: relative; }
.lc-assignment-title{ font-family: var(--font-display); font-size: .95rem; font-weight: 600; color: var(--white); margin-bottom: var(--s2); }
.lc-assignment-desc { font-size: .84rem; color: rgba(255,255,255,.55); line-height: 1.6; margin-bottom: var(--s3); }

/* Lesson navigation footer */
.lc-footer {
  padding: var(--s4) var(--s6);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  flex-wrap: wrap;
}
.lc-complete-btn { display: flex; align-items: center; gap: var(--s2); }

/* ── VIDEO UPLOAD ───────────────────────────────────────────── */
.video-drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--r-lg);
  padding: var(--s5);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--fast), background var(--fast);
}
.video-drop-zone:hover { border-color: var(--gold); background: var(--gold-pale); }
.video-drop-inner { display: flex; flex-direction: column; gap: var(--s2); align-items: center; }
.video-drop-text  { font-size: .9rem; font-weight: 500; color: var(--navy); }
.video-drop-hint  { font-size: .78rem; color: var(--navy-300); }

.video-upload-progress { margin-top: var(--s3); }
.vup-bar-track { height: 6px; background: var(--border); border-radius: 6px; overflow: hidden; margin-bottom: var(--s2); }
.vup-bar-fill  { height: 100%; background: var(--gold); border-radius: 6px; transition: width 0.3s ease; width: 0%; }
.vup-label     { font-size: .8rem; color: var(--navy-300); }


/* ── MODULE QUIZ ────────────────────────────────────────────── */
.quiz-row { background: var(--gold-pale) !important; }
.quiz-question-block { margin-bottom: var(--s5); }
.quiz-q-text { font-weight: 600; color: var(--navy); margin-bottom: var(--s3); line-height: 1.5; }
.quiz-options { display: flex; flex-direction: column; gap: var(--s2); }
.quiz-option-label {
  display: flex; align-items: center; gap: var(--s3);
  padding: var(--s3) var(--s4);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background var(--fast), border-color var(--fast);
}
.quiz-option-label:hover { background: var(--surface); border-color: var(--navy-300); }
.quiz-option-label input[type="radio"] { accent-color: var(--gold); }
.quiz-feedback { margin-top: var(--s2); font-size: .875rem; font-weight: 500; }

/* ── LESSON COMMENTS ────────────────────────────────────────── */
.lc-comments {
  margin-top: var(--s6);
  border-top: 1px solid var(--border);
  padding-top: var(--s5);
}
.lc-comments-header {
  display: flex;
  align-items: center;
  gap: var(--s3);
  margin-bottom: var(--s4);
}
.lc-comments-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--navy); margin: 0; }
.lc-comments-count { font-size: .8rem; color: var(--navy-300); background: var(--surface); padding: 2px 8px; border-radius: var(--r-pill); }

.lc-comment-form {
  background: var(--surface);
  border-radius: var(--r-lg);
  padding: var(--s4);
  margin-bottom: var(--s4);
}

.lc-comments-list { display: flex; flex-direction: column; gap: var(--s4); }

.lc-comment {
  display: flex;
  gap: var(--s3);
}
.lc-comment-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem;
  flex-shrink: 0;
}
.lc-comment-avatar.staff { background: var(--green); }
.lc-comment-body  { flex: 1; min-width: 0; }
.lc-comment-header { display: flex; align-items: center; gap: var(--s2); flex-wrap: wrap; margin-bottom: 4px; }
.lc-comment-name  { font-weight: 600; font-size: .875rem; color: var(--navy); }
.lc-comment-role  { font-size: .7rem; padding: 1px 6px; border-radius: var(--r-pill); background: var(--surface); color: var(--navy-300); }
.lc-comment-role.ministry_admin,
.lc-comment-role.staff { background: var(--green-pale); color: var(--green); }
.lc-comment-time  { font-size: .75rem; color: var(--navy-300); margin-left: auto; }
.lc-comment-text  { font-size: .875rem; color: var(--navy-500); line-height: 1.6; }

.lc-replies {
  margin-top: var(--s3);
  padding-left: var(--s4);
  border-left: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--s3);
}
.lc-reply { display: flex; gap: var(--s3); }
.lc-reply-form { margin-top: var(--s3); }