/**
 * LearnSpace LMS - Frontend Stylesheet
 * Inspired by Tutor LMS, Masteriyo, and LearnDash
 */

:root {
  --lsq-primary: #3b82f6;
  --lsq-primary-hover: #2563eb;
  --lsq-dark: #0f172a;
  --lsq-dark-surface: #1e293b;
  --lsq-light-bg: #f8fafc;
  --lsq-card-bg: #ffffff;
  --lsq-border: #e2e8f0;
  --lsq-text-main: #1e293b;
  --lsq-text-muted: #64748b;
  --lsq-success: #10b981;
  --lsq-gold: #f59e0b;
  --lsq-radius: 14px;
  --lsq-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
}

/* ==========================================================================
   Base & Common Utilities
   ========================================================================== */
.lsq-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

.lsq-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none !important;
  border: 1px solid transparent;
}

.lsq-btn-primary {
  background: var(--lsq-primary);
  color: #ffffff !important;
}

.lsq-btn-primary:hover {
  background: var(--lsq-primary-hover);
  transform: translateY(-1px);
}

.lsq-btn-secondary {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: #334155 !important;
}

.lsq-btn-secondary:hover {
  background: #e2e8f0;
}

.lsq-btn-outline {
  background: transparent;
  border-color: var(--lsq-primary);
  color: var(--lsq-primary) !important;
}

.lsq-btn-outline:hover {
  background: var(--lsq-primary);
  color: #ffffff !important;
}

.lsq-btn-large {
  padding: 14px 24px;
  font-size: 16px;
}

.lsq-btn-block {
  width: 100%;
}

.lsq-btn-complete {
  background: #ecfdf5;
  border-color: #a7f3d0;
  color: #065f46 !important;
}

.lsq-btn-completed {
  background: #10b981;
  color: #ffffff !important;
}

.lsq-progress-bar {
  height: 8px;
  background: #e2e8f0;
  border-radius: 99px;
  overflow: hidden;
  margin: 8px 0;
}

.lsq-progress-bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--lsq-primary), #60a5fa);
  border-radius: inherit;
  transition: width 0.3s ease;
}

/* ==========================================================================
   Course Catalog Grid [learnspace_courses]
   ========================================================================== */
.lsq-catalog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.lsq-catalog-search input {
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--lsq-border);
  min-width: 260px;
  font-size: 14px;
}

.lsq-catalog-categories {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.lsq-cat-btn {
  padding: 8px 14px;
  border-radius: 20px;
  border: 1px solid var(--lsq-border);
  background: #ffffff;
  color: var(--lsq-text-muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.lsq-cat-btn.is-active, .lsq-cat-btn:hover {
  background: var(--lsq-primary);
  color: #ffffff;
  border-color: var(--lsq-primary);
}

.lsq-courses-grid {
  display: grid;
  gap: 24px;
}

.lsq-grid-cols-3 {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.lsq-course-card {
  background: #ffffff;
  border: 1px solid var(--lsq-border);
  border-radius: var(--lsq-radius);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.lsq-course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--lsq-shadow);
}

.lsq-card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0f172a;
}

.lsq-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lsq-card-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
  background: linear-gradient(135deg, #1e293b, #334155);
}

.lsq-card-badge-level {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(15, 23, 42, 0.75);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  backdrop-filter: blur(4px);
}

.lsq-card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.lsq-card-category {
  color: var(--lsq-primary);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.lsq-card-title {
  font-size: 18px;
  line-height: 1.35;
  margin: 0 0 12px;
  font-weight: 800;
}

.lsq-card-title a {
  color: var(--lsq-text-main);
  text-decoration: none;
}

.lsq-card-title a:hover {
  color: var(--lsq-primary);
}

.lsq-card-meta {
  display: flex;
  gap: 14px;
  color: var(--lsq-text-muted);
  font-size: 12px;
  margin-bottom: 16px;
}

.lsq-card-footer {
  margin-top: auto;
}

/* ==========================================================================
   Single Course Landing Page
   ========================================================================== */
.lsq-hero-banner {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #ffffff;
  padding: 50px 0 45px;
  margin-bottom: 35px;
}

.lsq-hero-badge {
  display: inline-block;
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.4);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 14px;
}

.lsq-hero-title {
  font-size: clamp(26px, 3.2vw, 42px);
  font-weight: 900;
  color: #ffffff;
  margin: 0 0 14px;
  line-height: 1.2;
}

.lsq-hero-excerpt {
  color: #cbd5e1;
  font-size: 16px;
  max-width: 800px;
  line-height: 1.6;
  margin-bottom: 22px;
}

.lsq-hero-meta {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 14px;
  color: #e2e8f0;
}

.lsq-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lsq-layout-2col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 36px;
  align-items: start;
  margin-bottom: 60px;
}

.lsq-card {
  background: #ffffff;
  border: 1px solid var(--lsq-border);
  border-radius: var(--lsq-radius);
  padding: 28px;
  margin-bottom: 28px;
}

.lsq-card-title {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 18px;
}

.lsq-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.lsq-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  line-height: 1.5;
}

.lsq-check-icon {
  color: var(--lsq-success);
  font-weight: 900;
}

/* Curriculum Accordion */
.lsq-curriculum-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.lsq-curriculum-stats {
  font-size: 13px;
  color: var(--lsq-text-muted);
}

.lsq-accordion-item {
  border: 1px solid var(--lsq-border);
  border-radius: 10px;
  margin-bottom: 10px;
  overflow: hidden;
}

.lsq-accordion-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: #f8fafc;
  border: none;
  cursor: pointer;
  text-align: left;
}

.lsq-accordion-panel {
  display: none;
  padding: 10px 18px;
  background: #ffffff;
  border-top: 1px solid var(--lsq-border);
}

.lsq-accordion-item.is-open .lsq-accordion-panel {
  display: block;
}

.lsq-lesson-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.lsq-lesson-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed #f1f5f9;
  font-size: 14px;
}

.lsq-lesson-item:last-child {
  border-bottom: none;
}

.lsq-les-icon {
  margin-right: 8px;
  color: var(--lsq-primary);
}

/* Sticky Sidebar Card */
.lsq-sticky-card {
  position: sticky;
  top: 30px;
  background: #ffffff;
  border: 1px solid var(--lsq-border);
  border-radius: var(--lsq-radius);
  overflow: hidden;
  box-shadow: var(--lsq-shadow);
}

.lsq-enroll-box {
  padding: 24px;
}

.lsq-price-tag {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 18px;
}

.lsq-price-free {
  font-size: 32px;
  font-weight: 900;
  color: var(--lsq-success);
}

.lsq-features-list {
  list-style: none;
  padding: 18px 0 0;
  margin: 18px 0 0;
  border-top: 1px solid var(--lsq-border);
  display: grid;
  gap: 10px;
  font-size: 13px;
  color: var(--lsq-text-muted);
}

/* ==========================================================================
   Distraction-Free Focus Mode Player
   ========================================================================== */
.lsq-focus-player-body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #0f172a;
  color: #f8fafc;
  font-family: Inter, system-ui, sans-serif;
}

.lsq-player-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
}

.lsq-player-topbar {
  height: 60px;
  background: #1e293b;
  border-bottom: 1px solid #334155;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  flex: 0 0 auto;
}

.lsq-player-topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.lsq-btn-back {
  color: #94a3b8;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.lsq-btn-back:hover {
  color: #ffffff;
}

.lsq-player-course-title {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 500px;
}

.lsq-player-topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lsq-player-progress-wrap {
  width: 150px;
}

.lsq-player-pct {
  display: block;
  font-size: 11px;
  color: #94a3b8;
  font-weight: 600;
  text-align: right;
  margin-bottom: 3px;
}

.lsq-player-track {
  height: 6px;
  background: #334155;
  border-radius: 99px;
  overflow: hidden;
}

.lsq-player-track i {
  display: block;
  height: 100%;
  background: var(--lsq-primary);
  border-radius: inherit;
  transition: width 0.3s ease;
}

.lsq-player-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.lsq-player-stage {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  background: #0f172a;
}

.lsq-video-container {
  background: #000000;
  aspect-ratio: 16 / 9;
  max-height: 70vh;
  width: 100%;
  display: grid;
  place-items: center;
}

.lsq-video-container iframe, .lsq-video-container video {
  width: 100%;
  height: 100%;
}

.lsq-lesson-detail-box {
  padding: 30px 40px;
  flex: 1;
}

.lsq-lesson-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid #334155;
  padding-bottom: 18px;
}

.lsq-current-lesson-title {
  font-size: 24px;
  font-weight: 800;
  margin: 4px 0 0;
  color: #ffffff;
}

.lsq-lesson-type-badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
}

.lsq-lesson-body-text {
  font-size: 16px;
  line-height: 1.8;
  color: #e2e8f0;
  max-width: 900px;
}

.lsq-lesson-body-text p {
  margin-bottom: 1.25em;
}

.lsq-lesson-body-text h2,
.lsq-lesson-body-text h3,
.lsq-lesson-body-text h4 {
  color: #ffffff;
  margin-top: 1.5em;
  margin-bottom: 0.75em;
  font-weight: 700;
}

.lsq-lesson-body-text img,
.lsq-lesson-body-text figure.lsq-lesson-image img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  margin: 1.5em 0;
  display: block;
}

.lsq-lesson-body-text figure {
  margin: 1.5em 0;
}

.lsq-lesson-body-text pre,
.lsq-lesson-body-text code {
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 8px;
  color: #38bdf8;
  font-family: monospace;
}

.lsq-lesson-body-text pre {
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 1.5em;
}

.lsq-lesson-body-text ul,
.lsq-lesson-body-text ol {
  margin-left: 24px;
  margin-bottom: 1.5em;
}

.lsq-lesson-body-text blockquote {
  border-left: 4px solid var(--lsq-primary);
  padding-left: 16px;
  margin: 1.5em 0;
  color: #94a3b8;
  font-style: italic;
}

.lsq-player-nav-footer {
  display: flex;
  justify-content: space-between;
  padding: 16px 40px;
  background: #1e293b;
  border-top: 1px solid #334155;
}

/* Sidebar in Focus Player */
.lsq-player-sidebar {
  width: 360px;
  background: #1e293b;
  border-left: 1px solid #334155;
  overflow-y: auto;
  transition: transform 0.25s ease;
  flex: 0 0 360px;
}

.lsq-player-sidebar.is-hidden {
  display: none;
}

.lsq-sidebar-title {
  padding: 16px 20px;
  border-bottom: 1px solid #334155;
}

.lsq-sidebar-title h3 {
  margin: 0;
  font-size: 14px;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.lsq-sidebar-topic-header {
  padding: 12px 20px;
  background: #0f172a;
  font-size: 12px;
  color: #94a3b8;
  font-weight: 700;
}

.lsq-sidebar-lesson-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.lsq-sidebar-lesson {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid #283548;
  cursor: pointer;
  transition: background 0.15s ease;
}

.lsq-sidebar-lesson:hover {
  background: rgba(255, 255, 255, 0.04);
}

.lsq-sidebar-lesson.is-active {
  background: rgba(59, 130, 246, 0.15);
  border-left: 3px solid var(--lsq-primary);
}

.lsq-check-badge {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 900;
  background: #334155;
  color: #94a3b8;
}

.lsq-sidebar-lesson.is-done .lsq-check-badge {
  background: var(--lsq-success);
  color: #ffffff;
}

.lsq-les-info {
  display: flex;
  flex-direction: column;
}

.lsq-les-title {
  font-size: 13px;
  font-weight: 600;
  color: #f1f5f9;
}

.lsq-les-info small {
  color: #94a3b8;
  font-size: 11px;
}

/* ==========================================================================
   Certificate Template
   ========================================================================== */
.lsq-certificate-wrapper {
  margin: 30px auto;
  max-width: 900px;
}

.lsq-certificate-frame {
  background: #ffffff;
  padding: 30px;
  border: 8px double #cbd5e1;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  color: #1e293b;
  position: relative;
}

.lsq-cert-border {
  border: 2px solid #e2e8f0;
  padding: 40px;
  text-align: center;
}

.lsq-cert-seal {
  font-size: 44px;
}

.lsq-cert-org {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 0.1em;
  margin: 10px 0 2px;
}

.lsq-cert-subtitle {
  color: #64748b;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 24px;
}

.lsq-cert-presented {
  font-size: 15px;
  color: #64748b;
  font-style: italic;
  margin: 0 0 8px;
}

.lsq-cert-name {
  font-size: 38px;
  font-weight: 900;
  color: #0f172a;
  border-bottom: 2px solid #cbd5e1;
  display: inline-block;
  padding-bottom: 8px;
  margin: 0 0 18px;
}

.lsq-cert-statement {
  font-size: 15px;
  max-width: 650px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.lsq-cert-footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  border-top: 1px solid #e2e8f0;
  padding-top: 24px;
}

.lsq-cert-date, .lsq-cert-sig {
  font-size: 16px;
  font-weight: 700;
}

.lsq-cert-col small {
  display: block;
  font-size: 11px;
  color: #94a3b8;
  text-transform: uppercase;
  margin-top: 4px;
}

.lsq-cert-gold-crest {
  display: inline-block;
  padding: 6px 14px;
  background: #fef3c7;
  border: 1px solid #fde68a;
  border-radius: 999px;
  color: #92400e;
  font-weight: 800;
  font-size: 12px;
}

@media print {
  .no-print { display: none !important; }
  .lsq-certificate-frame { box-shadow: none !important; border-width: 4px; }
}

@media (max-width: 900px) {
  .lsq-layout-2col { grid-template-columns: 1fr; }
  .lsq-checklist { grid-template-columns: 1fr; }
  .lsq-player-sidebar { position: fixed; inset: 60px 0 0 auto; z-index: 99; }
}