/* ==========================================================
   Latsol — Duolingo-style zig-zag path + collapsible sidebar
   Dipakai bersama oleh semua halaman /latsol/*.php.
   Warna aksen per halaman diset lewat CSS variable:
     --latsol-accent, --latsol-accent-deep, --latsol-accent-soft
   ========================================================== */

:root {
  --latsol-accent: #ef4444;
  --latsol-accent-deep: #dc2626;
  --latsol-accent-soft: #fee2e2;
  --latsol-connector: #dbe3ec;
}

html.dark {
  --latsol-connector: #263449;
}

/* ---------- Path container ---------- */

.latsol-path {
  position: relative;
  margin-top: 1.25rem;
}

.latsol-path__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  /* Lintasan ikut "tergambar" dari atas ke bawah saat masuk,
     mengikuti stagger animasi node */
  animation: latsolTrailIn 1100ms ease-out both;
}

@keyframes latsolTrailIn {
  from {
    opacity: 0;
    clip-path: inset(0 0 100% 0);
  }

  30% {
    opacity: 1;
  }

  to {
    opacity: 1;
    clip-path: inset(0 0 0 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .latsol-path__svg {
    animation: none;
  }
}

.latsol-path__svg path {
  fill: none;
  stroke: var(--latsol-connector);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 0.5 15;
}

.latsol-path__empty {
  text-align: center;
  color: #6b7280;
  padding: 3rem 1rem;
}

html.dark .latsol-path__empty {
  color: #64748b;
}

/* ---------- Node (satu set soal) ---------- */

.path-node {
  position: absolute;
  display: block;
  text-decoration: none;
  color: inherit;
  opacity: 0;
  animation: latsolNodeIn 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  animation-delay: var(--d, 0ms);
  -webkit-tap-highlight-color: transparent;
}

@keyframes latsolNodeIn {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.85);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .path-node {
    animation: none;
    opacity: 1;
  }
}

.path-node__btn {
  --edge: #d3dce8;
  --glow: rgba(15, 23, 42, 0.14);
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 9999px;
  display: grid;
  place-items: center;
  background: #ffffff;
  border: 2px solid #e2e8f0;
  box-shadow:
    0 6px 0 var(--edge),
    0 16px 26px -12px var(--glow);
  transition:
    transform 130ms ease,
    box-shadow 130ms ease;
}

.path-node:hover .path-node__btn {
  transform: translateY(2px);
  box-shadow:
    0 4px 0 var(--edge),
    0 12px 20px -10px var(--glow);
}

.path-node:active .path-node__btn {
  transform: translateY(6px);
  box-shadow:
    0 0 0 var(--edge),
    0 6px 12px -8px var(--glow);
}

.path-node:focus-visible {
  outline: none;
}

.path-node:focus-visible .path-node__btn {
  outline: 3px solid var(--latsol-accent);
  outline-offset: 3px;
}

/* Piringan dalam — membentuk pita cincin ala medali di tepi lingkaran */
.path-node__btn::before {
  content: "";
  position: absolute;
  inset: 13%;
  border-radius: 9999px;
  background: #f8fafc;
  box-shadow: inset 0 1px 3px rgba(15, 23, 42, 0.06);
  pointer-events: none;
}

.path-node__num {
  position: relative;
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #94a3b8;
  line-height: 1;
}

/* Skor melengkung di pita cincin lingkaran */
.path-node__arc {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

.path-node__arc text {
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.2em;
  fill: #ffffff;
}

/* Judul set + jumlah soal di bawah lingkaran */
.path-node__info {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: 170%;
  max-width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-align: center;
}

.path-node__label {
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.25;
  color: #334155;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.path-node__meta {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #94a3b8;
}

.path-node.is-disabled {
  pointer-events: none;
}

.path-node.is-disabled .path-node__btn,
.path-node.is-disabled .path-node__info {
  opacity: 0.5;
}

/* ---------- Tier warna berdasarkan skor ---------- */

.path-node.path-node--amber .path-node__btn {
  --edge: #b45309;
  --glow: rgba(245, 158, 11, 0.5);
  background: linear-gradient(180deg, #fbbf24 0%, #f59e0b 100%);
  border-color: transparent;
}

.path-node.path-node--coral .path-node__btn {
  --edge: #9f1239;
  --glow: rgba(244, 63, 94, 0.5);
  background: linear-gradient(180deg, #fb7185 0%, #f43f5e 100%);
  border-color: transparent;
}

.path-node.path-node--green .path-node__btn {
  --edge: #047857;
  --glow: rgba(16, 185, 129, 0.5);
  background: linear-gradient(180deg, #34d399 0%, #10b981 100%);
  border-color: transparent;
}

/* Pita cincin node berwarna: piringan dalam lebih terang + tepi dalam halus */
.path-node.path-node--amber .path-node__btn::before,
.path-node.path-node--coral .path-node__btn::before,
.path-node.path-node--green .path-node__btn::before {
  background: rgba(255, 255, 255, 0.16);
  box-shadow:
    inset 0 2px 6px rgba(0, 0, 0, 0.14),
    0 0 0 1px rgba(255, 255, 255, 0.22);
}

.path-node.path-node--amber .path-node__num,
.path-node.path-node--coral .path-node__num,
.path-node.path-node--green .path-node__num {
  color: #ffffff;
  transform: translateY(3px);
  text-shadow: 0 2px 3px rgba(0, 0, 0, 0.22);
}

.path-node--amber .path-node__arc text,
.path-node--coral .path-node__arc text,
.path-node--green .path-node__arc text {
  fill: #ffffff;
  paint-order: stroke;
  stroke: rgba(0, 0, 0, 0.14);
  stroke-width: 2px;
}

/* ---------- Dark mode ---------- */

html.dark .path-node__btn {
  --edge: #060c1a;
  --glow: rgba(0, 0, 0, 0.55);
  background: #1e293b;
  border-color: rgba(148, 163, 184, 0.25);
}

/* Node yang belum memiliki skor membutuhkan edge yang lebih kontras pada
   layar desktop; warna edge sebelumnya terlalu dekat dengan background gelap. */
@media (min-width: 1024px) {
  html.dark .path-node:not(.path-node--amber):not(.path-node--coral):not(.path-node--green) .path-node__btn {
    --edge: #0f172a;
    --glow: rgba(0, 0, 0, 0.65);
    box-shadow:
      0 8px 0 var(--edge),
      0 18px 28px -11px var(--glow);
  }

  /* Saat interaksi, muka tombol turun ke arah alas yang tetap di tempat. */
  html.dark .path-node:not(.path-node--amber):not(.path-node--coral):not(.path-node--green):hover .path-node__btn {
    transform: translateY(4px);
    box-shadow:
      0 4px 0 var(--edge),
      0 14px 22px -10px var(--glow);
  }

  html.dark .path-node:not(.path-node--amber):not(.path-node--coral):not(.path-node--green):active .path-node__btn {
    transform: translateY(8px);
    box-shadow:
      0 0 0 var(--edge),
      0 6px 12px -8px var(--glow);
  }
}

html.dark .path-node__btn::before {
  background: rgba(148, 163, 184, 0.07);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.35);
}

html.dark .path-node__num {
  color: #94a3b8;
}

html.dark .path-node__label {
  color: #cbd5e1;
}

html.dark .path-node__meta {
  color: #64748b;
}

html.dark .path-node.path-node--amber .path-node__btn,
html.dark .path-node.path-node--coral .path-node__btn,
html.dark .path-node.path-node--green .path-node__btn {
  border-color: transparent;
}

/* ---------- Sidebar: navigasi mata pelajaran (desktop) ---------- */

.latsol-nav-heading {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #94a3b8;
  padding-left: 0.25rem;
  margin-bottom: 0.25rem;
}

.latsol-nav-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.5rem 0.65rem;
  border-radius: 0.9rem;
  border: 1.5px solid transparent;
  font-size: 0.9rem;
  font-weight: 600;
  color: #475569;
  text-decoration: none;
  transition:
    background-color 150ms ease,
    border-color 150ms ease,
    color 150ms ease;
}

.latsol-nav-item:hover {
  background: #f1f5f9;
  color: #0f172a;
}

.latsol-nav-item__label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.latsol-nav-item__count {
  flex-shrink: 0;
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
  padding: 0.28rem 0.55rem;
  border-radius: 9999px;
  background: #f1f5f9;
  color: #94a3b8;
  transition:
    background-color 150ms ease,
    color 150ms ease;
}

.latsol-nav-item.active {
  background: var(--latsol-accent-soft);
  border-color: var(--latsol-accent);
  color: var(--latsol-accent-deep);
  font-weight: 700;
}

.latsol-nav-item.active .latsol-nav-item__count {
  background: rgba(255, 255, 255, 0.75);
  color: var(--latsol-accent-deep);
}

html.dark .latsol-nav-heading {
  color: #64748b;
}

html.dark .latsol-nav-item {
  color: #94a3b8;
}

html.dark .latsol-nav-item:hover {
  background: rgba(148, 163, 184, 0.08);
  color: #e2e8f0;
}

html.dark .latsol-nav-item__count {
  background: #1e293b;
  color: #64748b;
}

html.dark .latsol-nav-item.active {
  background: var(--latsol-accent-soft);
  border-color: var(--latsol-accent);
  color: var(--latsol-accent);
}

html.dark .latsol-nav-item.active .latsol-nav-item__count {
  background: rgba(2, 6, 23, 0.35);
  color: var(--latsol-accent);
}

/* ---------- Pill navigasi scroll (mobile) ---------- */

.latsol-pill {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  border-radius: 9999px;
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  box-shadow: 0 2px 0 #e2e8f0;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  color: #475569;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition:
    background-color 150ms ease,
    border-color 150ms ease,
    color 150ms ease,
    transform 120ms ease,
    box-shadow 120ms ease;
}

.latsol-pill:active {
  transform: translateY(2px);
  box-shadow: none;
}

.latsol-pill__count {
  font-size: 0.66rem;
  font-weight: 800;
  line-height: 1;
  padding: 0.26rem 0.5rem;
  border-radius: 9999px;
  background: #f1f5f9;
  color: #94a3b8;
  transition:
    background-color 150ms ease,
    color 150ms ease;
}

.latsol-pill.active {
  background: var(--latsol-accent);
  border-color: var(--latsol-accent-deep);
  box-shadow: 0 2px 0 var(--latsol-accent-deep);
  color: #ffffff;
}

.latsol-pill.active .latsol-pill__count {
  background: rgba(255, 255, 255, 0.28);
  color: #ffffff;
}

html.dark .latsol-pill {
  background: #1e293b;
  border-color: #334155;
  box-shadow: 0 2px 0 #0b1424;
  color: #cbd5e1;
}

html.dark .latsol-pill.active {
  background: var(--latsol-accent);
  border-color: var(--latsol-accent);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.45);
  color: #020617;
}

html.dark .latsol-pill.active .latsol-pill__count {
  background: rgba(2, 6, 23, 0.3);
  color: #020617;
}

/* ---------- Navigasi mata pelajaran (sidebar desktop) ---------- */

.latsol-nav-heading {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #94a3b8;
  padding-left: 0.25rem;
  margin-bottom: 0.25rem;
}

.latsol-nav-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.5rem 0.65rem;
  border-radius: 0.9rem;
  border: 1.5px solid transparent;
  font-size: 0.9rem;
  font-weight: 600;
  color: #475569;
  text-decoration: none;
  transition:
    background-color 150ms ease,
    border-color 150ms ease,
    color 150ms ease;
}

.latsol-nav-item:hover {
  background: #f1f5f9;
  color: #0f172a;
}

.latsol-nav-item__label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.latsol-nav-item.active {
  background: var(--latsol-accent-soft);
  border-color: var(--latsol-accent);
  color: var(--latsol-accent-deep);
  font-weight: 700;
}

html.dark .latsol-nav-heading {
  color: #64748b;
}

html.dark .latsol-nav-item {
  color: #94a3b8;
}

html.dark .latsol-nav-item:hover {
  background: rgba(148, 163, 184, 0.08);
  color: #e2e8f0;
}

html.dark .latsol-nav-item.active {
  background: var(--latsol-accent-soft);
  border-color: var(--latsol-accent);
  color: var(--latsol-accent);
}

/* ---------- Navigasi mata pelajaran (pill scroll mobile) ---------- */

.latsol-pill {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.95rem;
  border-radius: 9999px;
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  box-shadow: 0 2px 0 #e2e8f0;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  color: #475569;
  cursor: pointer;
  transition:
    background-color 150ms ease,
    border-color 150ms ease,
    color 150ms ease,
    transform 120ms ease,
    box-shadow 120ms ease;
}

.latsol-pill:active {
  transform: translateY(2px);
  box-shadow: none;
}

.latsol-pill.active {
  background: var(--latsol-accent);
  border-color: var(--latsol-accent-deep);
  color: #ffffff;
  box-shadow: 0 2px 0 var(--latsol-accent-deep);
}

html.dark .latsol-pill {
  background: #1e293b;
  border-color: #334155;
  box-shadow: 0 2px 0 #0b1424;
  color: #cbd5e1;
}

html.dark .latsol-pill.active {
  background: var(--latsol-accent);
  border-color: var(--latsol-accent);
  color: #020617;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.45);
}

/* ---------- Topbar konten + toggle sidebar (desktop) ---------- */

#content-topbar {
  display: none;
}

@media (min-width: 1024px) {
  #content-topbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
  }
}

.sidebar-toggle-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 0.8rem;
  border: 1px solid #e5e7eb;
  background: #ffffff;
  color: #64748b;
  cursor: pointer;
  box-shadow: 0 2px 0 rgba(15, 23, 42, 0.06);
  transition:
    color 150ms ease,
    border-color 150ms ease,
    background-color 150ms ease,
    transform 130ms ease;
}

.sidebar-toggle-btn:hover {
  color: var(--latsol-accent);
  border-color: var(--latsol-accent);
  background: var(--latsol-accent-soft);
}

.sidebar-toggle-btn:active {
  transform: translateY(2px);
  box-shadow: none;
}

.sidebar-toggle-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

#content-topbar-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #0f172a;
}

html.dark .sidebar-toggle-btn {
  background: #1e293b;
  border-color: #334155;
  color: #cbd5e1;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.35);
}

html.dark .sidebar-toggle-btn:hover {
  color: var(--latsol-accent);
  border-color: var(--latsol-accent);
  background: var(--latsol-accent-soft);
}

html.dark #content-topbar-title {
  color: #f1f5f9;
}

/* ---------- Sidebar collapse (desktop) ---------- */

@media (min-width: 1024px) {
  #latsol-layout.sidebar-collapsed #latsol-sidebar {
    display: none;
  }

  #latsol-layout.sidebar-collapsed #card-scroll-area {
    grid-column: 1 / -1;
  }
}