/* ════════════════════════════════════════════════════════════
   upskill-workspace.css
   Learnly Upskill — Course Hero Fix + Mobile Redesign
   Only affects #learn-view. Everything else untouched.
════════════════════════════════════════════════════════════ */

/* ── 0. Reading progress bar (3px fixed strip) ────────── */
.reading-progress-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: transparent;
  z-index: 9999;
  pointer-events: none;
}
.reading-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--orange, #ff6b00);
  border-radius: 0 2px 2px 0;
  transition: width 0.12s linear;
}

/* ════════════════════════════════════════════════════════════
   ① BREADCRUMB + PROGRESS STRIP
   Light utility bar — separated from hero
════════════════════════════════════════════════════════════ */
.lv-nav-strip {
  background: #f6f8fb;
  border-bottom: 1px solid #e8ecf0;
  padding: 0;
}
.lv-nav-strip-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.8rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
/* Breadcrumb */
.lv-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: #6b7280;
  flex-wrap: wrap;
}
.lv-breadcrumb a {
  color: #6b7280;
  text-decoration: none;
  transition: color 0.2s;
}
.lv-breadcrumb a:hover { color: var(--orange, #ff6b00); }
.lv-bc-sep { font-size: 0.5rem; color: #c5ccd6; }
.lv-breadcrumb span { color: #111827; font-weight: 600; }
/* Progress pill */
.lv-prog-pill {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}
.lv-prog-label {
  font-size: 0.76rem;
  font-weight: 600;
  color: #6b7280;
}
.lv-prog-pill-track {
  width: 90px;
  height: 7px;
  background: #dde2ea;
  border-radius: 50px;
  overflow: hidden;
}
.lv-prog-pill-fill {
  height: 100%;
  border-radius: 50px;
  background: var(--orange, #ff6b00);
  transition: width 0.5s ease;
}
.lv-prog-pct {
  font-size: 0.78rem;
  font-weight: 700;
  color: #111827;
  min-width: 2.4rem;
}

/* ════════════════════════════════════════════════════════════
   ② COURSE HERO
   White card, 40px below strip, 80px below hero to intro
════════════════════════════════════════════════════════════ */
.lv-hero-outer {
  padding: 40px 1.5rem 80px;     /* 40px top gap, 80px bottom gap */
  background: var(--bg, #fff);
}
.lv-course-hero {
  max-width: 900px;
  margin: 0 auto;
  background: #ffffff;
  border-radius: 20px;
  box-shadow:
    0 2px 8px rgba(15,23,42,0.06),
    0 8px 32px rgba(15,23,42,0.07);
  border: 1px solid #edf0f5;
  padding: 60px 2.5rem 52px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
/* Subtle background glow */
.lv-course-hero::before {
  content: '';
  position: absolute;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,0,0.06), transparent 68%);
  top: -80px; right: -60px;
  pointer-events: none;
}
/* Logo */
.lv-hero-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.lv-hero-logo svg,
.lv-hero-logo img { width: 80px; height: 80px; object-fit: contain; }

/* Badges row */
.lv-hero-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
}
.lv-diff-badge,
.lv-time-badge,
.lv-topics-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.77rem;
  font-weight: 700;
  padding: 0.28rem 0.85rem;
  border-radius: 50px;
  white-space: nowrap;
}
.lv-time-badge {
  background: #f3f4f6;
  color: #374151;
  border: 1px solid #e5e7eb;
}
.lv-topics-badge {
  background: rgba(99,102,241,0.09);
  color: #4f46e5;
  border: 1px solid rgba(99,102,241,0.18);
}
/* Title */
.lv-hero-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: #0f172a;
  line-height: 1.15;
  margin: 0 0 0.8rem;
  letter-spacing: -0.02em;
}
/* Description */
.lv-hero-desc {
  font-size: 1rem;
  color: #4b5563;
  line-height: 1.75;
  max-width: 580px;
  margin: 0 auto 2rem;
}
/* Action buttons */
.lv-hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}
.lv-btn-start {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-size: 0.93rem;
  font-weight: 700;
  color: #fff;
  background: var(--orange, #ff6b00);
  border: 2px solid var(--orange, #ff6b00);
  cursor: pointer;
  font-family: var(--font-primary, 'Poppins', sans-serif);
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(255,107,0,0.28);
}
.lv-btn-start:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(255,107,0,0.38); }
.lv-btn-intro {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 1.5rem;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #374151;
  background: #f5f6f8;
  border: 1.5px solid #dde2ea;
  cursor: pointer;
  font-family: var(--font-primary, 'Poppins', sans-serif);
  transition: all 0.2s;
}
.lv-btn-intro:hover { border-color: var(--orange, #ff6b00); color: var(--orange, #ff6b00); }

/* ════════════════════════════════════════════════════════════
   ③ TAB BAR (keep existing .learn-tab-btn styles from style.css)
   Add the mobile Modules button
════════════════════════════════════════════════════════════ */
/* Only show Modules tab on mobile */
.lv-tab-modules-btn { display: none; }

/* ════════════════════════════════════════════════════════════
   ④ INTRO SECTION — kept from style.css, just ensure spacing
════════════════════════════════════════════════════════════ */
/* .introduction-section already defined in style.css — no change needed */

/* ════════════════════════════════════════════════════════════
   ⑤ LESSONS WORKSPACE — Desktop unchanged, mobile converted
   to slide-in drawer
════════════════════════════════════════════════════════════ */

/* Mobile bottom nav — hidden on desktop */
.lv-mob-nav { display: none; }

/* Desktop: sidebar close button hidden */
.lw-sidebar-close { display: none; }

/* code block: always horizontal scroll, prevent overflow on mobile */
.code-block {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.code-block pre { min-width: max-content; }

/* ════════════════════════════════════════════════════════════
   MOBILE STYLES  ≤ 900px
════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {

  /* ── Breadcrumb strip compact ── */
  .lv-prog-label { display: none; }
  .lv-prog-pill-track { width: 60px; }
  .lv-breadcrumb { font-size: 0.78rem; }

  /* ── Course Hero — full width, less padding ── */
  .lv-hero-outer { padding: 24px 1rem 40px; }
  .lv-course-hero {
    padding: 32px 1.25rem 28px;
    border-radius: 16px;
  }
  .lv-hero-logo svg,
  .lv-hero-logo img { width: 70px; height: 70px; }
  .lv-hero-title { font-size: 1.6rem; }
  .lv-hero-desc  { font-size: 0.93rem; line-height: 1.75; }

  /* Buttons full-width stack */
  .lv-hero-actions { flex-direction: column; gap: 0.6rem; }
  .lv-btn-start,
  .lv-btn-intro   { width: 100%; justify-content: center; }

  /* ── Show Modules tab button ── */
  .lv-tab-modules-btn { display: inline-flex; }

  /* ── Workspace: single column ── */
  .learn-workspace { grid-template-columns: 1fr !important; }

  /* ── Sidebar → slide-in drawer from left ── */
  .lw-sidebar {
    position: fixed !important;
    top: 0 !important;
    left: -290px !important;
    width: 272px !important;
    height: 100vh !important;
    z-index: 199;
    box-shadow: 4px 0 28px rgba(0,0,0,0.14);
    transition: left 0.28s cubic-bezier(0.4,0,0.2,1);
    overflow-y: auto;
    background: #fff;
  }
  .lw-sidebar.open { left: 0 !important; }

  /* Show close button inside drawer */
  .lw-sidebar-close { display: flex; }

  /* Backdrop: covers content when drawer open */
  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10,15,30,0.42);
    z-index: 198;
    backdrop-filter: blur(2px);
  }
  .sidebar-backdrop.show { display: block; }

  /* ── Lesson strip hidden on mobile (bottom nav replaces) ── */
  .lesson-progress-indicator { display: none !important; }

  /* ── Lesson area: extra bottom padding for sticky nav ── */
  .lesson-section { padding-bottom: 100px !important; }

  /* ── Resource links: stack vertically, compact ── */
  .lesson-notes-links {
    flex-direction: column;
    gap: 0.5rem;
  }
  .lesson-notes-links .res-btn {
    justify-content: flex-start;
  }

  /* ── Lesson nav bar: hide on mobile (replaced by sticky bottom nav) ── */
  .lesson-nav-bar { display: none; }

  /* ── Mobile sticky bottom navigation ── */
  .lv-mob-nav {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: 70px;
    background: #ffffff;
    border-top: 1px solid #e8ecf0;
    box-shadow: 0 -4px 20px rgba(15,23,42,0.09);
    z-index: 90;
    align-items: stretch;
  }
  .lv-mob-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.18rem;
    background: none;
    border: none;
    font-size: 0.68rem;
    font-weight: 600;
    color: #374151;
    cursor: pointer;
    font-family: var(--font-primary, 'Poppins', sans-serif);
    transition: background 0.15s;
    padding: 0 0.25rem;
  }
  .lv-mob-btn i { font-size: 1rem; }
  .lv-mob-prev:hover,
  .lv-mob-next:hover { background: #f3f4f6; }
  .lv-mob-prev:disabled,
  .lv-mob-next:disabled { opacity: 0.3; cursor: not-allowed; }
  .lv-mob-complete {
    flex: 1.8;
    background: var(--orange, #ff6b00);
    border-left: 1px solid rgba(255,255,255,0.15);
    border-right: 1px solid rgba(255,255,255,0.15);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    transition: background 0.2s;
  }
  .lv-mob-complete i { font-size: 1.05rem; }
}

/* Very small phones */
@media (max-width: 420px) {
  .lv-breadcrumb { font-size: 0.72rem; gap: 0.3rem; }
  .lv-prog-pill-track { width: 44px; }
  .lv-prog-pct { min-width: 2rem; font-size: 0.72rem; }
  .lv-course-hero { padding: 28px 1rem 24px; }
  .lv-hero-title { font-size: 1.4rem; }
}

/* ════════════════════════════════════════════════════════════
   TAB STRIP + LEVEL BADGE — all static, never sticky/fixed
════════════════════════════════════════════════════════════ */

/* Tab capsule: center-aligned pill, static */
.learn-tabs-bar {
  position: relative !important;
  top: auto !important;
  z-index: auto !important;
  box-shadow: none !important;
  background: #ffffff !important;
  border: 1px solid #ebebeb !important;
  border-radius: 50px !important;      /* capsule */
  padding: 6px !important;
  margin: 30px auto 50px !important;
  max-width: 360px !important;
  display: flex !important;
  justify-content: center !important;
  gap: 4px !important;
}
.learn-tabs-inner {
  display: flex !important;
  align-items: center !important;
  gap: 4px !important;
  width: 100% !important;
  padding: 0 !important;
}
.learn-tab-btn {
  flex: 1 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0.6rem 1.2rem !important;
  background: transparent !important;
  border: none !important;
  border-radius: 50px !important;
  font-size: 0.87rem !important;
  font-weight: 600 !important;
  color: #6b7280 !important;
  white-space: nowrap !important;
  transition: background 0.2s, color 0.2s !important;
}
.learn-tab-btn:hover { color: var(--orange, #ff6b00) !important; }
.learn-tab-btn.active {
  background: var(--orange, #ff6b00) !important;
  color: #ffffff !important;
  border-bottom: none !important;      /* override any underline from style.css */
}

/* Level badge: static orange-bordered pill */
.lesson-progress-indicator {
  position: relative !important;
  top: auto !important;
  z-index: auto !important;
  background: transparent !important;
  backdrop-filter: none !important;
  border-bottom: none !important;
  box-shadow: none !important;
  padding: 0 2rem 1rem !important;
}
#lpi-level-badge {
  border: 1.5px solid var(--orange, #ff6b00) !important;
  color: #111827 !important;
  background: #ffffff !important;
  font-size: 0.8rem !important;
  font-weight: 700 !important;
  padding: 0.35rem 1.1rem !important;
  border-radius: 50px !important;
  letter-spacing: 0.02em !important;
}

/* Mobile: full-width capsule with horizontal scroll */
@media (max-width: 900px) {
  .learn-tabs-bar {
    max-width: calc(100% - 2rem) !important;
    margin: 20px 1rem 32px !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
  }
  .learn-tabs-bar::-webkit-scrollbar { display: none; }
  .learn-tab-btn {
    padding: 0.55rem 1rem !important;
    font-size: 0.83rem !important;
  }
  .lesson-progress-indicator {
    padding: 0 1rem 0.75rem !important;
  }
  /* Show Modules drawer button */
  .lv-tab-modules-btn { display: flex !important; }
}