/* =========================================================
   READING MODE — HALAMAN ARTIKEL (_artikel.html)
   ---------------------------------------------------------
   Hanya aktif di halaman artikel. Penanda aktif = atribut
   data-reading-theme di <html>, yang cuma dipasang oleh skrip
   inline di _artikel.html. Halaman lain tidak pernah punya
   atribut itu, jadi seluruh berkas ini tidak berefek di sana.

   Font Literata dimuat lewat <link> di _artikel.html, BUKAN
   @import di sini: @import bertingkat akan menunda render
   karena harus antre di belakang style.css.
   ========================================================= */

/* =========================================================
   1. TOKEN TEMA
   Selain variabel --rm-*, blok ini juga MENIMPA token global
   dari css/style.css (:root). Dengan begitu header, footer,
   komentar, dan tombol reaksi ikut berganti tema tanpa perlu
   ditulis ulang satu per satu. Spesifisitas html[attr] (0,1,1)
   mengalahkan :root (0,1,0).
   ========================================================= */

html[data-reading-theme] {
  --rm-serif: "Literata", Georgia, "Times New Roman", serif;
  --rm-sans: "Poppins", system-ui, sans-serif;

  /* Ukuran dasar kolom baca; dikali --rm-zoom di bagian 3. */
  --rm-base: 1.1875rem; /* 19px */
  --rm-zoom: 1;
}

/* --- Mode Gelap (default) --- */
html[data-reading-theme="dark"] {
  --rm-bg: hsl(230, 15%, 10%);
  --rm-surface: hsl(230, 12%, 14%);
  --rm-text: hsl(40, 10%, 85%);
  --rm-text-2: hsl(230, 8%, 55%);
  --rm-accent: hsl(35, 60%, 55%);
  --rm-accent-2: hsl(35, 65%, 64%);
  --rm-link: hsl(200, 50%, 60%);
  --rm-border: hsl(230, 10%, 20%);
  --rm-selection: hsla(35, 60%, 55%, 0.22);
  --rm-glow: hsla(35, 60%, 55%, 0.55);
  --rm-panel: hsla(230, 15%, 13%, 0.92);
  --rm-chrome: hsla(230, 15%, 8%, 0.82);
  --rm-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);

  /* Timpa token global css/style.css */
  --primary-color: hsl(35, 60%, 55%);
  --dark-bg: hsl(230, 15%, 10%);
  --card-bg: hsl(230, 12%, 14%);
  --light-text: hsl(40, 10%, 85%);
  --dark-text: hsl(230, 8%, 55%);
  --border-color: hsl(230, 10%, 20%);
}

/* --- Mode Terang --- */
html[data-reading-theme="light"] {
  --rm-bg: hsl(40, 30%, 96%);
  --rm-surface: hsl(40, 25%, 92%);
  --rm-text: hsl(220, 15%, 20%);
  --rm-text-2: hsl(220, 10%, 45%);
  --rm-accent: hsl(35, 60%, 45%);
  --rm-accent-2: hsl(35, 65%, 38%);
  --rm-link: hsl(210, 55%, 40%);
  --rm-border: hsl(40, 15%, 82%);
  --rm-selection: hsla(35, 60%, 45%, 0.18);
  --rm-glow: hsla(35, 60%, 45%, 0.5);
  --rm-panel: hsla(40, 30%, 97%, 0.94);
  --rm-chrome: hsla(40, 30%, 96%, 0.86);
  --rm-shadow: 0 10px 30px rgba(60, 50, 30, 0.14);

  --primary-color: hsl(35, 60%, 45%);
  --dark-bg: hsl(40, 30%, 96%);
  --card-bg: hsl(40, 25%, 92%);
  --light-text: hsl(220, 15%, 20%);
  --dark-text: hsl(220, 10%, 45%);
  --border-color: hsl(40, 15%, 82%);
}

/* =========================================================
   2. WARNA HARDCODE YANG TIDAK IKUT TOKEN
   Nilai-nilai di bawah ditulis literal di style.css /
   bacaan.css / komentar.css, jadi tidak ikut berubah lewat
   custom property. Ditambal khusus di sini.
   ========================================================= */

html[data-reading-theme] body[data-page-id="artikel"] {
  background-color: var(--rm-bg);
  color: var(--rm-text);
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Header desktop + header atas mobile (rgba(0,0,0,.8) di style.css) */
html[data-reading-theme] body[data-page-id="artikel"] header#main-header,
html[data-reading-theme] body[data-page-id="artikel"] .mobile-top-header {
  background-color: var(--rm-chrome);
}

/* Badge jumlah baca memakai rgba putih (bacaan.css) */
html[data-reading-theme] body[data-page-id="artikel"] .artikel-detail-view-badge {
  color: var(--rm-text-2);
  background: color-mix(in srgb, var(--rm-text) 6%, transparent);
  border-color: var(--rm-border);
}

/* Tombol suka aktif memakai #007bff (style.css:4482) */
html[data-reading-theme] body[data-page-id="artikel"] .reaction-btn.liked {
  background-color: var(--rm-accent);
  color: var(--rm-bg);
  border-color: var(--rm-accent);
}

html[data-reading-theme] body[data-page-id="artikel"] .kegiatan-meta,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-meta-info {
  color: var(--rm-text-2);
}

/* Komentar: avatar #333, tombol kirim teks #000, hover #0088cc */
html[data-reading-theme] body[data-page-id="artikel"] .comment-avatar,
html[data-reading-theme] body[data-page-id="artikel"] .comment-avatar-input {
  background-color: var(--rm-surface);
}

html[data-reading-theme] body[data-page-id="artikel"] .comment-submit-btn {
  background-color: var(--rm-accent);
  color: var(--rm-bg);
}

html[data-reading-theme]
  body[data-page-id="artikel"]
  .comment-submit-btn:hover:not(:disabled) {
  background-color: var(--rm-accent-2);
}

html[data-reading-theme] body[data-page-id="artikel"] .comment-submit-btn:disabled {
  background-color: var(--rm-text-2);
  color: var(--rm-bg);
}

html[data-reading-theme] body[data-page-id="artikel"] ::selection {
  background: var(--rm-selection);
}

/* =========================================================
   3. TINGKAT ZOOM
   Cukup mengubah pengali; ukuran teks & lebar kolom (satuan
   ch dan em) ikut menyesuaikan sendiri.
   ========================================================= */
html[data-reading-zoom="75"] { --rm-zoom: 0.75; }
html[data-reading-zoom="87"] { --rm-zoom: 0.875; }
html[data-reading-zoom="100"] { --rm-zoom: 1; }
html[data-reading-zoom="112"] { --rm-zoom: 1.125; }
html[data-reading-zoom="125"] { --rm-zoom: 1.25; }
html[data-reading-zoom="137"] { --rm-zoom: 1.375; }
html[data-reading-zoom="150"] { --rm-zoom: 1.5; }

/* =========================================================
   4. KOLOM BACA
   box-sizing: content-box dipakai supaya max-width benar-benar
   berlaku untuk teks (65ch), bukan teks + padding.
   ========================================================= */
html[data-reading-theme] body[data-page-id="artikel"] .artikel-container {
  box-sizing: content-box;
  max-width: 65ch;
  margin: 0 auto;
  padding: 2.5rem clamp(1.25rem, 5vw, 3.5rem) 3.5rem;
  background-color: transparent;
  border-radius: 0;
  font-family: var(--rm-serif);
  font-size: calc(var(--rm-base) * var(--rm-zoom));
  transition: font-size 0.3s ease;
}

/* Daftar selektor ini mencerminkan style.css:1346-1361 yang
   memaksa Georgia — harus ditimpa satu-satu karena aturan di
   sana memasang font-family langsung di tiap elemen anak. */
html[data-reading-theme] body[data-page-id="artikel"] #artikel-dinamis-container > h1,
html[data-reading-theme] body[data-page-id="artikel"] #artikel-dinamis-container > h2,
html[data-reading-theme] body[data-page-id="artikel"] #artikel-dinamis-container > .kegiatan-meta,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten .artikel-isi,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten > h1,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten > h2,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten > h3,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten > h4,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten .kegiatan-meta,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten p,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten li,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten blockquote,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten cite {
  font-family: var(--rm-serif);
}

html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten p,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten li {
  /* Rata kiri, bukan justify: teks justify menimbulkan "sungai"
     spasi yang mengganggu lacakan mata (WCAG 1.4.8). */
  text-align: left;
  line-height: 1.75;
  font-size: 1em;
  letter-spacing: 0.01em;
  color: var(--rm-text);
}

html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten p {
  margin: 0 0 1.5em;
}

html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten li {
  margin-bottom: 0.6em;
}

html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten ul,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten ol {
  list-style-position: outside;
  padding-left: 1.4em;
  margin: 0 0 1.5em;
}

html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten > h1,
html[data-reading-theme] body[data-page-id="artikel"] #artikel-dinamis-container > h1 {
  font-family: var(--rm-serif);
  font-size: 1.9em;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--rm-text);
  margin: 0 0 0.5rem;
  text-align: left;
}

html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten h2 {
  font-size: 1.45em;
  line-height: 1.3;
  color: var(--rm-text);
  margin: 2em 0 0.6em;
}

html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten h3,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten h4 {
  font-size: 1.2em;
  line-height: 1.35;
  color: var(--rm-accent);
  margin: 1.8em 0 0.5em;
  text-align: left;
}

html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten a {
  color: var(--rm-link);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--rm-link) 40%, transparent);
  transition: border-color 0.25s ease, color 0.25s ease;
}

html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten a:hover {
  color: var(--rm-accent);
  border-bottom-color: var(--rm-accent);
}

html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten blockquote {
  border-left: 3px solid var(--rm-accent);
  padding: 0.2em 0 0.2em 1.4em;
  margin: 1.8em 0;
  font-style: italic;
  color: var(--rm-text-2);
  text-align: left;
}

html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten img,
html[data-reading-theme] body[data-page-id="artikel"] .artikel-isi img {
  margin: 2em auto;
  border-radius: 6px;
}

html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten hr {
  border: none;
  border-top: 1px solid var(--rm-border);
  margin: 2.5em 0;
}

/* Tombol reaksi & badge tetap sans-serif (style.css:1431) */
html[data-reading-theme] body[data-page-id="artikel"] .reaction-buttons {
  font-family: var(--rm-sans);
  font-size: 0.8rem;
  border-top-color: var(--rm-border) !important;
}

/* =========================================================
   5. META WAKTU BACA
   Disisipkan js/reading-mode.js di bawah judul.
   ========================================================= */
.rm-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5em;
  font-family: var(--rm-sans);
  font-size: 0.68em;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--rm-text-2);
  margin: 0.9em 0 2.2em;
  padding-bottom: 1.2em;
  border-bottom: 1px solid var(--rm-border);
}

.rm-meta i {
  color: var(--rm-accent);
  margin-right: 0.35em;
}

.rm-meta-sisa {
  color: var(--rm-accent);
}

/* =========================================================
   6. MUNCUL BERTAHAP SAAT DI-SCROLL
   ========================================================= */
.rm-masuk {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.rm-masuk.rm-tampil {
  opacity: 1;
  transform: none;
}

/* =========================================================
   7. BAR PROGRES
   Elemen .reading-progress sudah ada global (app-core.js);
   di sini hanya diwarnai ulang + diberi kilau di milestone.
   ========================================================= */
html[data-reading-theme] body[data-page-id="artikel"] .reading-progress {
  background: linear-gradient(90deg, var(--rm-accent-2), var(--rm-accent));
  box-shadow: 0 0 8px var(--rm-glow);
}

html[data-reading-theme] body[data-page-id="artikel"] .reading-progress.rm-kilau {
  box-shadow: 0 0 22px 3px var(--rm-glow);
  filter: brightness(1.35);
  transition: width 0.15s ease-out, box-shadow 0.5s ease, filter 0.5s ease;
}

/* =========================================================
   8. PANEL KONTROL BACA
   Kiri bawah, supaya tidak bertabrakan dengan tombol AI
   Assistant (kanan bawah, chatbot.css:1020).
   ========================================================= */
.rm-kontrol {
  position: fixed;
  left: 20px;
  bottom: 24px;
  z-index: 9989;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border-radius: 999px;
  background: var(--rm-panel);
  border: 1px solid var(--rm-border);
  box-shadow: var(--rm-shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-family: var(--rm-sans);
}

.rm-kontrol-isi {
  display: flex;
  align-items: center;
  gap: 4px;
  max-width: 260px;
  overflow: hidden;
  transition: max-width 0.32s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.24s ease;
}

.rm-kontrol[data-terbuka="false"] .rm-kontrol-isi {
  max-width: 0;
  opacity: 0;
  pointer-events: none;
}

.rm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--rm-text);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.rm-btn:hover:not(:disabled) {
  background: color-mix(in srgb, var(--rm-accent) 22%, transparent);
  color: var(--rm-accent);
}

.rm-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.rm-btn:focus-visible,
.rm-kontrol-toggle:focus-visible {
  outline: 2px solid var(--rm-accent);
  outline-offset: 2px;
}

.rm-kontrol-toggle {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 50%;
  background: var(--rm-accent);
  color: var(--rm-bg);
  font-size: 0.9rem;
  cursor: pointer;
  transition: transform 0.25s ease, filter 0.2s ease;
}

.rm-kontrol-toggle:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.rm-zoom-label {
  min-width: 46px;
  text-align: center;
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  color: var(--rm-text-2);
}

.rm-pisah {
  width: 1px;
  height: 20px;
  background: var(--rm-border);
  margin: 0 2px;
}

/* Mode fokus: sembunyikan tombol AI Assistant selama membaca.
   Tidak menyentuh JS chatbot — hanya menumpang kelas di body,
   dan mundur begitu panel chat benar-benar dibuka. */
body.rm-fokus:not(.chatbot-open) #open-chatbot-btn {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px) scale(0.94);
}

/* =========================================================
   9. KARTU BACA — tampil setelah artikel selesai
   Bentuknya meniru kartu pinjam perpustakaan: judul kecil,
   garis-garis isian, dan stempel miring. Ini satu-satunya
   elemen dekoratif di mode baca; sisanya sengaja tenang.
   ========================================================= */
.rm-selesai {
  position: relative;
  margin: 3rem 0 1rem;
  padding: 1.6rem 1.6rem 1.4rem;
  border: 1px solid var(--rm-border);
  border-top: 3px double var(--rm-accent);
  border-radius: 4px;
  background: var(--rm-surface);
  font-family: var(--rm-sans);
  overflow: hidden;
}

.rm-selesai-label {
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--rm-text-2);
  margin: 0 0 0.9rem;
}

.rm-selesai-judul {
  font-family: var(--rm-serif);
  font-size: 1.15rem;
  line-height: 1.35;
  color: var(--rm-text);
  margin: 0 0 1rem;
  max-width: 26ch;
}

.rm-selesai-baris {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.rm-selesai-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rm-selesai-angka {
  font-size: 1.3rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--rm-accent);
  line-height: 1;
}

.rm-selesai-ket {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rm-text-2);
}

.rm-stempel {
  position: absolute;
  right: -10px;
  bottom: -6px;
  display: grid;
  place-items: center;
  width: 96px;
  height: 96px;
  border: 2px solid var(--rm-accent);
  border-radius: 50%;
  transform: rotate(-14deg);
  opacity: 0.4;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--rm-accent);
  pointer-events: none;
}

/* =========================================================
   10. LAYAR KECIL
   ========================================================= */
@media (max-width: 768px) {
  html[data-reading-theme] {
    --rm-base: 1.0625rem; /* 17px */
  }

  html[data-reading-theme] body[data-page-id="artikel"] .artikel-container {
    padding: 1.5rem 1.25rem 2.5rem;
  }

  html[data-reading-theme] body[data-page-id="artikel"] .artikel-konten > h1,
  html[data-reading-theme] body[data-page-id="artikel"] #artikel-dinamis-container > h1 {
    font-size: 1.6em;
  }

  /* Nav bawah mobile setinggi ±60px (body punya padding-bottom
     60px di style.css:1635) — panel harus di atasnya. */
  .rm-kontrol {
    left: 12px;
    bottom: calc(72px + var(--safe-bottom, 0px));
  }

  .rm-stempel {
    width: 74px;
    height: 74px;
    font-size: 0.52rem;
  }
}

/* =========================================================
   11. HORMATI prefers-reduced-motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html[data-reading-theme] body[data-page-id="artikel"],
  html[data-reading-theme] body[data-page-id="artikel"] .artikel-container,
  .rm-masuk,
  .rm-kontrol-isi,
  .rm-kontrol-toggle,
  html[data-reading-theme] body[data-page-id="artikel"] .reading-progress.rm-kilau {
    transition: none !important;
  }

  .rm-masuk {
    opacity: 1;
    transform: none;
  }
}
