/* ============================================================
   APTIKOM SUMUT — style_pengantar-pemrograman-python.css
   Memerlukan css/style_global.css di-load lebih dulu.
   ============================================================ */

/* ── Navbar active CTA ──────────────────────────────────── */
.active-cta {
  background: var(--blue-pale) !important;
  color: var(--blue-mid) !important;
}


/* ═══════════════════════════════════════
   HERO
═══════════════════════════════════════ */
.py-hero {
  padding: 130px 0 56px;
  background: var(--blue-dark);
  position: relative;
  overflow: hidden;
}

.py-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 70% at 85% 30%, rgba(37,99,176,0.55) 0%, transparent 65%),
    radial-gradient(ellipse 40% 55% at 5% 85%, rgba(14,165,233,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 30% 40% at 50% 110%, rgba(99,102,241,0.15) 0%, transparent 60%);
  pointer-events: none;
}

/* Breadcrumb */
.py-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.py-breadcrumb a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.py-breadcrumb a:hover {
  color: var(--white);
}

.py-bc-sep {
  font-size: 0.6rem;
  opacity: 0.4;
}

/* Hero Grid */
.py-hero-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.py-hero-title {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin: 10px 0 16px;
  letter-spacing: -0.03em;
}

.py-hero-title span {
  color: var(--blue-accent);
}

.py-hero-desc {
  font-size: 0.97rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 540px;
}

/* Meta badges */
.py-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.py-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}

/* Progress */
.py-progress-wrap {
  margin-bottom: 28px;
  max-width: 480px;
}

.py-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  font-weight: 600;
  margin-bottom: 6px;
}

.py-progress-bar {
  height: 5px;
  background: rgba(255,255,255,0.12);
  border-radius: 99px;
  overflow: hidden;
}

.py-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--blue-accent), #6366f1);
  border-radius: 99px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hero actions */
.py-hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.py-start-btn {
  gap: 8px;
}

.py-bookmark-btn {
  color: rgba(255,255,255,0.8) !important;
  border-color: rgba(255,255,255,0.3) !important;
}

.py-bookmark-btn:hover {
  background: rgba(255,255,255,0.08) !important;
}

/* Code card visual */
.py-hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.py-code-card {
  background: #0d1117;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
  animation: floatCard 4s ease-in-out infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}

.py-code-card-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: #161b22;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.py-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.py-dot.red    { background: #ff5f57; }
.py-dot.yellow { background: #febc2e; }
.py-dot.green  { background: #28c840; }

.py-code-filename {
  margin-left: 8px;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  font-family: 'Courier New', monospace;
}

.py-code-block {
  padding: 20px;
  margin: 0;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.82rem;
  line-height: 1.8;
  color: #e6edf3;
  overflow-x: auto;
}

.py-code-output {
  padding: 12px 20px;
  background: rgba(14,165,233,0.08);
  border-top: 1px solid rgba(14,165,233,0.15);
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.py-output-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.py-code-output span:not(.py-output-label) {
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  color: #7ee787;
}


/* ═══════════════════════════════════════
   LAYOUT KONTEN — Sidebar + Materi
═══════════════════════════════════════ */
.py-layout {
  background: var(--gray-50);
  padding: 0 0 80px;
}

.py-layout-inner {
  display: grid;
  grid-template-columns: 256px 1fr;
  gap: 32px;
  align-items: flex-start;
  padding-top: 40px;
}


/* ── SIDEBAR ────────────────────────── */
.py-sidebar {
  position: sticky;
  top: 86px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.py-sidebar-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 18px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--blue-dark);
  background: var(--blue-pale);
  border-bottom: 1px solid #c3d9f5;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.py-topic-nav {
  display: flex;
  flex-direction: column;
}

.py-topic-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-100);
  transition: all var(--transition);
  cursor: pointer;
}

.py-topic-link:hover {
  background: var(--blue-pale);
  color: var(--blue-mid);
}

.py-topic-link.active {
  background: var(--blue-pale);
  color: var(--blue-mid);
  border-left: 3px solid var(--blue-mid);
}

.py-topic-link.done {
  color: #16a34a;
}

.py-topic-num {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--gray-400);
  min-width: 22px;
  font-variant-numeric: tabular-nums;
}

.py-topic-title {
  flex: 1;
  line-height: 1.3;
}

.py-topic-check {
  color: #22c55e;
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* Sidebar info */
.py-sidebar-info {
  padding: 14px 18px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.py-sinfo-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--gray-600);
}

.py-sinfo-item i {
  color: var(--blue-mid);
  font-size: 0.82rem;
  width: 14px;
  text-align: center;
}

.py-back-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 13px 18px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-400);
  border-top: 1px solid var(--gray-100);
  transition: all var(--transition);
}

.py-back-link:hover {
  color: var(--blue-mid);
  background: var(--blue-pale);
}


/* ── KONTEN MATERI ──────────────────── */
.py-content {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.py-section {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 24px;
  animation: fadeSlideUp 0.35s ease both;
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Section header */
.py-section-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px 28px;
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-main) 100%);
  border-bottom: none;
}

.py-section-num {
  font-size: 2rem;
  font-weight: 800;
  color: rgba(255,255,255,0.15);
  line-height: 1;
  min-width: 54px;
  letter-spacing: -0.04em;
}

.py-section-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}

.py-section-sub {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
}

/* Section body */
.py-section-body {
  padding: 28px;
}

.py-section-body p {
  font-size: 0.94rem;
  color: var(--gray-600);
  line-height: 1.85;
  margin-bottom: 20px;
}

.py-section-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin: 28px 0 12px;
}

.py-section-body h3:first-child {
  margin-top: 0;
}

/* Tombol selesai */
.py-section-done {
  padding: 16px 28px;
  border-top: 1px solid var(--gray-100);
  background: var(--gray-50);
}

.py-done-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 22px;
  background: transparent;
  border: 1.5px solid var(--blue-mid);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--blue-mid);
  cursor: pointer;
  transition: all var(--transition);
}

.py-done-btn:hover:not(:disabled) {
  background: var(--blue-mid);
  color: var(--white);
}

.py-done-btn.done {
  background: #dcfce7;
  border-color: #22c55e;
  color: #16a34a;
}

.py-done-btn:disabled {
  cursor: default;
}


/* ═══════════════════════════════════════
   KOMPONEN KONTEN — Kotak info, kode, tabel
═══════════════════════════════════════ */

/* Infobox biru */
.py-infobox {
  display: flex;
  gap: 14px;
  padding: 16px 20px;
  background: var(--blue-pale);
  border: 1px solid #c3d9f5;
  border-left: 4px solid var(--blue-mid);
  border-radius: var(--radius-sm);
  margin: 20px 0;
}

.py-infobox-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.py-infobox strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 4px;
}

.py-infobox p {
  font-size: 0.84rem !important;
  color: var(--gray-600) !important;
  line-height: 1.65 !important;
  margin-bottom: 0 !important;
}

/* Tipbox hijau */
.py-tipbox {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 20px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-left: 4px solid #22c55e;
  border-radius: var(--radius-sm);
  margin: 20px 0;
}

.py-tipbox-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: #16a34a;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.py-tipbox p {
  font-size: 0.84rem !important;
  color: #166534 !important;
  line-height: 1.65 !important;
  margin: 0 !important;
}

/* Warnbox kuning */
.py-warnbox {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 20px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-left: 4px solid var(--gold);
  border-radius: var(--radius-sm);
  margin: 20px 0;
}

.py-warnbox-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: #92400e;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.py-warnbox p {
  font-size: 0.84rem !important;
  color: #78350f !important;
  line-height: 1.65 !important;
  margin: 0 !important;
}

/* Feature grid */
.py-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 16px 0;
}

.py-feature-card {
  padding: 18px 16px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
}

.py-feature-icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 8px;
}

.py-feature-card h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 5px;
}

.py-feature-card p {
  font-size: 0.81rem !important;
  color: var(--gray-600) !important;
  line-height: 1.6 !important;
  margin: 0 !important;
}

/* List */
.py-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin: 12px 0;
}

.py-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--gray-600);
  line-height: 1.6;
}

.py-list li i {
  color: var(--blue-mid);
  font-size: 0.75rem;
  margin-top: 4px;
  flex-shrink: 0;
}

/* Kode inline */
code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85em;
  padding: 2px 6px;
  background: var(--blue-pale);
  border: 1px solid #c3d9f5;
  border-radius: 4px;
  color: var(--blue-main);
}

/* Blok kode */
.py-code-wrap {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid #2d333b;
  margin: 12px 0;
}

.py-code-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: #161b22;
  border-bottom: 1px solid #2d333b;
}

.py-code-lang {
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.py-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
}

.py-copy-btn:hover {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.8);
}

.py-code {
  background: #0d1117;
  padding: 20px;
  margin: 0;
  overflow-x: auto;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.84rem;
  line-height: 1.8;
  color: #e6edf3;
}

/* Syntax highlighting */
.c-kw  { color: #ff7b72; }   /* keywords */
.c-fn  { color: #d2a8ff; }   /* function names */
.c-str { color: #a5d6ff; }   /* strings */
.c-num { color: #79c0ff; }   /* numbers */
.c-cmt { color: #8b949e; font-style: italic; } /* comments */

/* Tabel */
.py-table-wrap {
  overflow-x: auto;
  margin: 12px 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
}

.py-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.py-table thead tr {
  background: var(--blue-dark);
}

.py-table thead th {
  padding: 11px 16px;
  text-align: left;
  font-weight: 700;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.py-table tbody tr {
  border-bottom: 1px solid var(--gray-100);
  transition: background var(--transition);
}

.py-table tbody tr:last-child {
  border-bottom: none;
}

.py-table tbody tr:hover {
  background: var(--blue-pale);
}

.py-table td {
  padding: 11px 16px;
  color: var(--gray-600);
  line-height: 1.5;
}

.py-table td:first-child code {
  background: var(--blue-dark);
  color: #7ee787;
  border: none;
}


/* ═══════════════════════════════════════
   QUIZ
═══════════════════════════════════════ */
.py-quiz {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin: 12px 0;
}

.py-quiz-num {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--blue-mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.py-quiz-question {
  font-size: 0.95rem !important;
  font-weight: 600;
  color: var(--blue-dark) !important;
  margin-bottom: 16px !important;
}

.py-quiz-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.py-quiz-opt {
  display: block;
  width: 100%;
  padding: 11px 16px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-800);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition);
}

.py-quiz-opt:hover:not(:disabled) {
  border-color: var(--blue-mid);
  background: var(--blue-pale);
  color: var(--blue-mid);
}

.py-quiz-opt.correct {
  border-color: #22c55e;
  background: #f0fdf4;
  color: #16a34a;
}

.py-quiz-opt.wrong {
  border-color: #ef4444;
  background: #fef2f2;
  color: #dc2626;
}

.py-quiz-opt:disabled {
  cursor: default;
}

.py-quiz-feedback {
  margin-top: 12px;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  line-height: 1.6;
}

.py-quiz-feedback.correct {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.py-quiz-feedback.wrong {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.py-quiz-result {
  text-align: center;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  margin-top: 16px;
}

.py-result-score {
  font-size: 3rem;
  font-weight: 800;
  color: var(--blue-dark);
  line-height: 1;
  margin-bottom: 8px;
}

.py-quiz-result p {
  font-size: 0.9rem;
  color: var(--gray-600);
}


/* ═══════════════════════════════════════
   TANTANGAN KODING
═══════════════════════════════════════ */
.py-challenge {
  margin-top: 28px;
  padding: 22px;
  background: #0d1117;
  border-radius: var(--radius-sm);
  border: 1px solid #2d333b;
}

.py-challenge h3 {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px !important;
  margin-top: 0 !important;
  display: flex;
  align-items: center;
  gap: 8px;
}

.py-challenge h3 i {
  color: var(--blue-accent);
}

.py-challenge p {
  font-size: 0.85rem !important;
  color: rgba(255,255,255,0.6) !important;
  line-height: 1.75 !important;
  margin-bottom: 0 !important;
}

.py-challenge-hint {
  margin-top: 14px;
}

.py-challenge-hint summary {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--blue-accent);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition);
}

.py-challenge-hint summary:hover {
  color: var(--blue-light);
}


/* ═══════════════════════════════════════
   NAVIGASI BAWAH
═══════════════════════════════════════ */
.py-nav-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  margin-top: 8px;
}

.py-nav-indicator {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-400);
}

/* Kartu selesai */
.py-finish-card {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-main));
  border-radius: var(--radius-md);
  padding: 40px;
  text-align: center;
  margin-bottom: 24px;
  animation: fadeSlideUp 0.4s ease both;
}

.py-finish-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
}

.py-finish-card h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
}

.py-finish-card p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  max-width: 480px;
  margin: 0 auto 24px;
  line-height: 1.8;
}

.py-finish-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.py-finish-actions .btn-outline {
  color: rgba(255,255,255,0.8) !important;
  border-color: rgba(255,255,255,0.3) !important;
}

.py-finish-actions .btn-outline:hover {
  background: rgba(255,255,255,0.1) !important;
}


/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 1024px) {
  .py-hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .py-hero-visual {
    display: none;
  }

  .py-layout-inner {
    grid-template-columns: 220px 1fr;
    gap: 20px;
  }

  .py-feature-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .py-hero {
    padding: 110px 0 44px;
  }

  .py-hero-title {
    font-size: 1.8rem;
  }

  .py-layout-inner {
    grid-template-columns: 1fr;
  }

  .py-sidebar {
    position: static;
    top: unset;
  }

  .py-section-header {
    padding: 18px 20px;
  }

  .py-section-body {
    padding: 20px;
  }

  .py-section-done {
    padding: 14px 20px;
  }

  .py-feature-grid {
    grid-template-columns: 1fr;
  }

  .py-nav-bottom {
    flex-direction: column;
    gap: 12px;
  }

  .py-nav-bottom .btn {
    width: 100%;
    justify-content: center;
  }

  .py-finish-card {
    padding: 28px 20px;
  }
}

@media (max-width: 480px) {
  .py-breadcrumb {
    font-size: 0.7rem;
  }

  .py-section-num {
    font-size: 1.5rem;
    min-width: 40px;
  }

  .py-section-title {
    font-size: 1.05rem;
  }

  .py-quiz-opt {
    font-size: 0.82rem;
  }
}