/* ============================================================
   EduLMS Frontend — Public Styles
   Compatible with all major WordPress themes
   All rules scoped under .edulms-public
   ============================================================ */
:root {
  --ep-blue:    #1d6fb8;
  --ep-blue-l:  #dbeafe;
  --ep-teal:    #0d7259;
  --ep-teal-l:  #d1fae5;
  --ep-green:   #166534;
  --ep-green-l: #dcfce7;
  --ep-amber:   #92400e;
  --ep-amber-l: #fef3c7;
  --ep-red:     #991b1b;
  --ep-red-l:   #fee2e2;
  --ep-gray:    #3f3f46;
  --ep-gray-l:  #f4f4f5;
  --ep-text:    #18181b;
  --ep-text2:   #52525b;
  --ep-text3:   #a1a1aa;
  --ep-border:  #e4e3de;
  --ep-surface: #f8f8f6;
  --ep-white:   #ffffff;
  --ep-r:       8px;
  --ep-r2:      12px;
  --ep-r3:      16px;
  --ep-shadow:  0 1px 4px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.04);
  --ep-font:    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

.edulms-public * { box-sizing: border-box; }
.edulms-public { font-family: var(--ep-font); color: var(--ep-text); max-width: 1160px; }

/* ── Header ──────────────────────────────────────────────────── */
.edulms-pub-header {
  display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  margin-bottom: 24px; padding-bottom: 20px;
  border-bottom: 2px solid var(--ep-border);
}
.edulms-pub-title { font-size: 24px; font-weight: 800; margin: 0 0 4px; color: var(--ep-text); }
.edulms-pub-sub   { font-size: 14px; color: var(--ep-text2); margin: 0; }
.edulms-pub-breadcrumb { font-size: 13px; color: var(--ep-text3); margin-bottom: 6px; }
.edulms-pub-breadcrumb a { color: var(--ep-blue); text-decoration: none; }
.edulms-pub-breadcrumb a:hover { text-decoration: underline; }

/* ── Metrics ─────────────────────────────────────────────────── */
.edulms-pub-metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 24px;
}
.edulms-pub-metric {
  background: var(--ep-white); border: 1px solid var(--ep-border);
  border-radius: var(--ep-r2); padding: 18px 20px;
  box-shadow: var(--ep-shadow);
}
.edulms-pub-metric-val { font-size: 30px; font-weight: 800; color: var(--ep-blue); }
.edulms-pub-metric-lbl { font-size: 12px; color: var(--ep-text2); margin-top: 4px; font-weight: 500; }

@media (max-width: 768px) { .edulms-pub-metrics { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .edulms-pub-metrics { grid-template-columns: 1fr; } }

/* ── Grid / Layout ───────────────────────────────────────────── */
.edulms-pub-grid    { display: grid; grid-template-columns: minmax(0,1.8fr) minmax(0,1fr); gap: 20px; }
.edulms-pub-main    { display: flex; flex-direction: column; gap: 14px; }
.edulms-pub-sidebar { display: flex; flex-direction: column; gap: 14px; }
@media (max-width: 860px) { .edulms-pub-grid { grid-template-columns: 1fr; } }

.edulms-course-layout { display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(260px, 1fr); gap: 20px; }
@media (max-width: 860px) { .edulms-course-layout { grid-template-columns: 1fr; } }

/* ── Cards ───────────────────────────────────────────────────── */
.edulms-pub-card {
  background: var(--ep-white); border: 1px solid var(--ep-border);
  border-radius: var(--ep-r3); padding: 22px 24px;
  box-shadow: var(--ep-shadow);
}
.edulms-pub-section-title {
  font-size: 11px; font-weight: 800; color: var(--ep-text3);
  text-transform: uppercase; letter-spacing: .07em; margin: 0 0 14px;
}
.edulms-pub-empty { color: var(--ep-text3); text-align: center; padding: 20px 0; font-size: 14px; }

/* ── Course card (dashboard list) ────────────────────────────── */
.edulms-pub-course-card {
  background: var(--ep-white); border: 1px solid var(--ep-border);
  border-radius: var(--ep-r2); padding: 18px 20px;
  box-shadow: var(--ep-shadow);
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  transition: box-shadow .15s;
}
.edulms-pub-course-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.1); }
.edulms-pub-course-body { flex: 1; min-width: 200px; }
.edulms-pub-course-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.edulms-pub-course-next  { font-size: 12px; color: var(--ep-text2); margin-bottom: 10px; }
.edulms-pub-prog-wrap    { display: flex; align-items: center; gap: 8px; }
.edulms-pub-prog         { flex: 1; height: 6px; background: var(--ep-surface); border-radius: 3px; overflow: hidden; }
.edulms-pub-prog-fill    { height: 100%; border-radius: 3px; transition: width .4s ease; }
.edulms-pub-prog-pct     { font-size: 12px; font-weight: 700; color: var(--ep-text2); width: 36px; }
.edulms-pub-progress-badge {
  font-size: 13px; font-weight: 700; color: var(--ep-blue);
  background: var(--ep-blue-l); padding: 4px 12px; border-radius: 20px;
  white-space: nowrap;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.edulms-pub-btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 10px 18px; font-size: 13px; font-weight: 700;
  font-family: var(--ep-font);
  border-radius: var(--ep-r); border: 1.5px solid var(--ep-border);
  background: var(--ep-white); color: var(--ep-text);
  cursor: pointer; transition: all .12s; white-space: nowrap;
  text-decoration: none; line-height: 1;
}
.edulms-pub-btn:hover { background: var(--ep-surface); color: var(--ep-text); text-decoration: none; }
.edulms-pub-btn-primary {
  background: var(--ep-blue); border-color: var(--ep-blue); color: #fff;
}
.edulms-pub-btn-primary:hover { background: #1558a0; color: #fff; }
.edulms-pub-btn-sm { padding: 7px 12px; font-size: 12px; }
.edulms-pub-btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ── Pills ───────────────────────────────────────────────────── */
.edulms-pub-pill {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700;
  background: var(--ep-gray-l); color: var(--ep-gray);
}
.edulms-pub-pill-green { background: var(--ep-green-l); color: var(--ep-green); }
.edulms-pub-pill-blue  { background: var(--ep-blue-l); color: var(--ep-blue); }

/* ── Widget / Sidebar ────────────────────────────────────────── */
.edulms-pub-widget {
  background: var(--ep-white); border: 1px solid var(--ep-border);
  border-radius: var(--ep-r2); padding: 16px 18px;
  box-shadow: var(--ep-shadow);
}
.edulms-pub-widget-title { font-size: 13px; font-weight: 700; margin: 0 0 12px; color: var(--ep-text); }
.edulms-pub-task { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--ep-border); }
.edulms-pub-task:last-child { border-bottom: none; }
.edulms-pub-task-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; margin-top: 4px; }
.edulms-pub-task-text { font-size: 13px; }
.edulms-pub-task-text a { color: var(--ep-text); text-decoration: none; font-weight: 500; }
.edulms-pub-task-text a:hover { color: var(--ep-blue); }

.edulms-pub-notif { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--ep-border); }
.edulms-pub-notif:last-child { border-bottom: none; }
.edulms-pub-notif-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; margin-top: 4px; }
.edulms-pub-notif-title { font-size: 12px; font-weight: 600; color: var(--ep-text); margin-bottom: 2px; }
.edulms-pub-notif-time  { font-size: 11px; color: var(--ep-text3); }

/* ── Course view: lesson content ─────────────────────────────── */
.edulms-lesson-title { font-size: 20px; font-weight: 700; margin: 0 0 16px; }
.edulms-video-wrap   { border-radius: var(--ep-r2); overflow: hidden; margin-bottom: 20px; }
.edulms-video-wrap iframe, .edulms-video-wrap video { width: 100%; aspect-ratio: 16/9; display: block; }
.edulms-lesson-body  { font-size: 15px; line-height: 1.75; color: var(--ep-text2); }
.edulms-lesson-body h2, .edulms-lesson-body h3 { color: var(--ep-text); margin-top: 1.5em; }
.edulms-lesson-footer { padding-top: 20px; border-top: 1px solid var(--ep-border); margin-top: 24px; }
.edulms-complete-form { margin: 0; }

/* ── Course contents sidebar ─────────────────────────────────── */
.edulms-course-prog-wrap {
  display: flex; align-items: center; gap: 8px; margin-bottom: 14px;
  padding-bottom: 14px; border-bottom: 1px solid var(--ep-border);
}
.edulms-course-prog-wrap .edulms-pub-prog { flex: 1; }
.edulms-course-prog-wrap span { font-size: 13px; font-weight: 700; color: var(--ep-blue); width: 40px; }

.edulms-contents-module { margin-bottom: 14px; }
.edulms-contents-module-name {
  font-size: 11px; font-weight: 800; color: var(--ep-text3);
  text-transform: uppercase; letter-spacing: .06em;
  padding: 6px 0; border-bottom: 1px solid var(--ep-border); margin-bottom: 4px;
}
.edulms-contents-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: var(--ep-r);
  text-decoration: none; color: var(--ep-text2);
  font-size: 13px; transition: all .12s;
}
.edulms-contents-item:hover { background: var(--ep-surface); color: var(--ep-text); text-decoration: none; }
.edulms-contents-item.active { background: var(--ep-blue-l); color: var(--ep-blue); font-weight: 700; }
.edulms-contents-item.done   { color: var(--ep-teal); }
.edulms-contents-icon { width: 18px; text-align: center; font-size: 12px; flex-shrink: 0; }
.edulms-contents-name { flex: 1; line-height: 1.4; }
.edulms-contents-meta { font-size: 10px; color: var(--ep-text3); white-space: nowrap; }
.edulms-contents-quiz { color: var(--ep-amber); }
.edulms-contents-quiz .edulms-contents-icon { color: var(--ep-amber); }
.edulms-contents-asg  { color: var(--ep-blue); }

/* ── Notices ─────────────────────────────────────────────────── */
.edulms-pub-notice {
  padding: 10px 14px; border-radius: var(--ep-r);
  font-size: 13px; font-weight: 600; margin-bottom: 14px;
}
.edulms-pub-notice-success { background: var(--ep-green-l); color: var(--ep-green); }
.edulms-pub-notice-error   { background: var(--ep-red-l);   color: var(--ep-red); }
.edulms-pub-notice-info    { background: var(--ep-blue-l);  color: var(--ep-blue); }

/* ── Quiz view ───────────────────────────────────────────────── */
.edulms-quiz-timer {
  display: flex; align-items: center; gap: 6px;
  font-size: 22px; font-weight: 800; color: var(--ep-blue);
  background: var(--ep-blue-l); padding: 8px 16px; border-radius: 20px;
}
.edulms-quiz-dots { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.edulms-quiz-dot {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1.5px solid var(--ep-border); background: var(--ep-white);
  font-size: 12px; font-weight: 700; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .12s;
}
.edulms-quiz-dot.active   { background: var(--ep-blue); border-color: var(--ep-blue); color: #fff; }
.edulms-quiz-dot.answered { background: var(--ep-green-l); border-color: #86efac; color: var(--ep-green); }

.edulms-quiz-question { display: none; }
.edulms-quiz-question.active { display: block; }
.edulms-pub-card .edulms-quiz-question { display: block; }

.edulms-quiz-q-meta  { font-size: 11px; font-weight: 700; color: var(--ep-text3); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }
.edulms-quiz-q-text  { font-size: 17px; font-weight: 700; color: var(--ep-text); margin-bottom: 6px; line-height: 1.5; }
.edulms-quiz-q-points { font-size: 12px; color: var(--ep-text3); margin-bottom: 18px; }
.edulms-quiz-q-nav   { display: flex; gap: 10px; margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--ep-border); }

.edulms-quiz-options  { display: flex; flex-direction: column; gap: 10px; }
.edulms-qopt-label {
  display: flex; align-items: flex-start; gap: 12px; cursor: pointer;
  padding: 14px 16px; border-radius: var(--ep-r);
  border: 1.5px solid var(--ep-border); font-size: 14px;
  transition: all .12s;
}
.edulms-qopt-label:hover { border-color: var(--ep-blue); background: var(--ep-blue-l); }
.edulms-qopt-radio  { width: 16px; height: 16px; margin: 2px 0 0; flex-shrink: 0; accent-color: var(--ep-blue); }
input[type=radio]:checked + .edulms-qopt-text { font-weight: 700; }
.edulms-qopt-label:has(.edulms-qopt-radio:checked) { border-color: var(--ep-blue); background: var(--ep-blue-l); }

.edulms-pub-textarea {
  width: 100%; padding: 12px; font-size: 14px; font-family: var(--ep-font);
  border: 1.5px solid var(--ep-border); border-radius: var(--ep-r);
  resize: vertical; outline: none; transition: border-color .15s;
}
.edulms-pub-textarea:focus { border-color: var(--ep-blue); }

.edulms-quiz-result-card { text-align: center; padding: 40px; }

/* ── Assignment view ─────────────────────────────────────────── */
.edulms-pub-meta  { font-size: 12px; color: var(--ep-text3); margin-top: 8px; }
.edulms-assignment-desc { font-size: 14px; color: var(--ep-text2); line-height: 1.7; }
.edulms-pub-upload-zone {
  border: 2px dashed var(--ep-border); border-radius: var(--ep-r2);
  padding: 40px 24px; text-align: center; cursor: pointer;
  background: var(--ep-surface); transition: all .15s;
  margin-bottom: 14px;
}
.edulms-pub-upload-zone:hover, .edulms-pub-upload-zone.dragover {
  border-color: var(--ep-blue); background: var(--ep-blue-l);
}
.edulms-pub-upload-zone span { font-size: 36px; display: block; margin-bottom: 8px; }
.edulms-pub-upload-zone p { font-size: 14px; color: var(--ep-text2); margin: 0 0 4px; }
.edulms-pub-upload-zone small { font-size: 12px; color: var(--ep-text3); }
.edulms-sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

.edulms-pub-file-preview {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border-radius: var(--ep-r);
  background: var(--ep-surface); border: 1px solid var(--ep-border); margin-bottom: 14px;
  font-size: 13px; font-weight: 600;
}
.edulms-pub-form-actions { display: flex; gap: 8px; padding-top: 4px; }

.edulms-pub-submitted-file {
  display: flex; align-items: center; gap: 12px;
  padding: 14px; background: var(--ep-surface); border-radius: var(--ep-r2);
  font-size: 13px;
}
.edulms-pub-submitted-file span { font-size: 24px; }
.edulms-pub-file-name { font-weight: 700; margin-bottom: 2px; }
.edulms-pub-file-meta { font-size: 11px; color: var(--ep-text3); }

.edulms-pub-grade-display { display: flex; align-items: center; gap: 16px; padding: 20px 0; }
.edulms-pub-grade-letter  { font-size: 48px; font-weight: 800; color: var(--ep-blue); }
.edulms-pub-grade-score   { font-size: 28px; font-weight: 700; color: var(--ep-text2); }
.edulms-pub-feedback { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--ep-border); font-size: 13px; }
.edulms-pub-feedback p { margin-top: 6px; color: var(--ep-text2); line-height: 1.6; }

/* ── Catalog ─────────────────────────────────────────────────── */
.edulms-catalog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.edulms-catalog-card {
  background: var(--ep-white); border: 1px solid var(--ep-border);
  border-radius: var(--ep-r3); overflow: hidden; box-shadow: var(--ep-shadow);
  transition: box-shadow .15s; display: flex; flex-direction: column;
}
.edulms-catalog-card:hover { box-shadow: 0 6px 24px rgba(0,0,0,.1); }
.edulms-catalog-cover {
  height: 160px; background-size: cover; background-position: center;
}
.edulms-catalog-cover-placeholder {
  background: linear-gradient(135deg, #e0e7ff, #dbeafe);
  display: flex; align-items: center; justify-content: center; font-size: 40px;
}
.edulms-catalog-body  { padding: 18px 20px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.edulms-catalog-title { font-size: 15px; font-weight: 700; margin: 0; }
.edulms-catalog-desc  { font-size: 13px; color: var(--ep-text2); margin: 0; flex: 1; line-height: 1.55; }
.edulms-catalog-meta  { font-size: 11px; color: var(--ep-text3); }

/* ── General notice (shortcode standalone) ───────────────────── */
.edulms-notice {
  padding: 14px 18px; border-radius: var(--ep-r);
  font-size: 14px; font-weight: 500;
}
.edulms-notice-info { background: var(--ep-blue-l); color: var(--ep-blue); }
.edulms-notice-info a { color: inherit; font-weight: 700; }