/* ============================================================
   IMPOR FONT
   Montserrat untuk heading. Inter dipakai sebagai pengganti
   "Google Sans" karena Google Sans tidak tersedia di Google Fonts.
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap");

/* ============================================================
   RESET DAN VARIABEL
   ============================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* --- Palet warna utama --- */
  --clr-bg: #37d090; /* background layar utama */
  --clr-card: #f0fff0; /* kartu langkah & kartu konten umum */
  --clr-card-strong: #2e8b57; /* kartu tanda gejala, aksen header detail, badge nomor */
  --clr-pill-light: #bbffbb; /* pill sub-kategori accordion (collapsed) */
  --clr-warning: #f6c83d; /* kotak peringatan darurat */
  --clr-info: #14aaff; /* badge "tanpa sinyal", nomor telepon darurat */
  --clr-white: #ffffff;

  /* Nilai sama dengan --clr-warning (dikonfirmasi dari mockup header),
     tetapi dipisah sebagai token sendiri agar makna "darurat" pada
     --clr-warning tidak tercampur dengan aksen tipografi header */
  --clr-header-accent: #f6c83d;

  /* --- Warna teks --- */
  --clr-text-dark: #173b26; /* teks di atas kartu terang */
  --clr-text-muted: #4f6b5a; /* teks sekunder di atas kartu terang */
  --clr-text-on-strong: #ffffff; /* teks di atas kartu hijau tua */
  --clr-text-on-warning: #5c3d00; /* teks di atas kotak kuning */

  /* --- Radius --- */
  --radius-pill: 999px;
  --radius-card: 22px;
  --radius-icon: 16px;

  /* --- Bayangan, konsisten ke kanan-bawah --- */
  --shadow-soft: 3px 4px 10px rgba(13, 61, 38, 0.12);
  --shadow-card: 5px 7px 16px rgba(13, 61, 38, 0.18);

  /* --- Tipografi --- */
  --font-heading: "Montserrat", sans-serif;
  --font-body: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;

  /* --- Spasi --- */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  /* --- Ukuran font --- */
  --font-size-sm: 13px;
  --font-size-base: 15px;
  --font-size-md: 17px;
  --font-size-lg: 20px;
  --font-size-xl: 23px;
}

/* ============================================================
   BASE
   ============================================================ */

html {
  height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  background-color: var(--clr-bg);
  color: var(--clr-text-dark);
  min-height: 100%;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
}

/* ============================================================
   SISTEM HALAMAN (SHOW / HIDE)
   ============================================================ */

.page {
  display: none;
  min-height: 100vh;
}

.page.active {
  display: block;
}

/* ============================================================
   HALAMAN UTAMA — HEADER (PILL PUTIH TRANSPARAN)
   ============================================================ */

.home-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background-color: rgba(240, 255, 240, 1);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
}

/* Slot logo — diperbesar dari rekomendasi awal 40x40px mengikuti
   proporsi pada mockup, di mana logo mengisi hampir seluruh tinggi
   pill header. SVG logo yang sudah ada di HTML dipakai apa adanya. */
.home-header__logo {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.home-header__logo svg {
  width: 100%;
  height: 100%;
}

.home-header__text h1 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--clr-card-strong);
  line-height: 1.2;
  text-decoration: underline;
  text-decoration-color: var(--clr-card-strong);
  text-decoration-thickness: 3px;
  text-underline-offset: 4px;
}

.home-header__text p {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--clr-header-accent);
  margin-top: 2px;
}

/* ============================================================
   HALAMAN UTAMA — BADGE OFFLINE (PILL BIRU)
   ============================================================ */

.offline-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: 0 var(--space-md) var(--space-md);
  padding: var(--space-xs) var(--space-md);
  background-color: var(--clr-info);
  border: none;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--clr-white);
  width: fit-content;
  box-shadow: var(--shadow-soft);
}

.offline-badge__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--clr-white);
  flex-shrink: 0;
}

/* ============================================================
   HALAMAN UTAMA — KELOMPOK DAN GRID KATEGORI
   ============================================================ */

.home-content {
  padding: 0 var(--space-md) var(--space-xl);
}

.category-group {
  margin-top: var(--space-lg);
}

.category-group__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-md);
  font-weight: 800;
  text-transform: uppercase;
  text-align: center;
  letter-spacing: 0.06em;
  color: var(--clr-white);
  margin-bottom: var(--space-sm);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

/* Grup yang hanya berisi satu kartu (Pertolongan Pertama, Perlengkapan,
   Darurat) dibuat selebar penuh, sesuai referensi gambar 3 */
.category-grid:has(.category-card:only-child) {
  grid-template-columns: 1fr;
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-md);
  background-color: var(--clr-card);
  border: none;
  border-radius: var(--radius-card);
  cursor: pointer;
  text-align: center;
  min-height: 110px;
  box-shadow: var(--shadow-card);
  transition: transform 0.1s ease;
  -webkit-tap-highlight-color: transparent;
}

.category-card:active {
  transform: scale(0.96);
}

/* Slot ikon — ukuran rekomendasi 48x48px (kartu grid biasa) */

.category-card__label {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--clr-text-dark);
  line-height: 1.3;
}

.category-card--wide {
  grid-column: 1 / -1;
}

.category-card--wide .category-card__icon {
  width: 64px;
  height: 64px;
}

/* ============================================================
   HALAMAN DETAIL — HEADER (PILL PUTIH TRANSPARAN)
   ============================================================ */

#page-detail {
  display: none;
  flex-direction: column;
}

#page-detail.active {
  display: flex;
}

.detail-header {
  position: sticky;
  top: var(--space-md);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background-color: rgba(255, 255, 255, 0.55);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
  min-height: 56px;
}

.back-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background-color: rgba(255, 255, 255, 0.6);
  color: var(--clr-card-strong);
  cursor: pointer;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.15s ease;
}

.back-button:active {
  background-color: var(--clr-white);
}

.detail-header__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--clr-card-strong);
  line-height: 1.3;
}

/* ============================================================
   HALAMAN DETAIL — AREA KONTEN
   ============================================================ */

.detail-content {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

/* ============================================================
   KARTU KONTEN — BASE
   ============================================================ */

.content-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  background-color: var(--clr-card);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
}

/* ============================================================
   KARTU KONTEN — TANDA DAN GEJALA
   ============================================================ */

.content-card--gejala {
  background-color: var(--clr-card-strong);
  position: relative;
  padding-top: calc(var(--space-md) + 10px);
}

/* "judul" di data tanda_gejala dipakai sebagai badge pojok kiri atas,
   sesuai referensi Figma, bukan sebagai judul biasa */
.content-card--gejala .kartu-judul {
  position: absolute;
  top: -10px;
  left: var(--space-md);
  background-color: var(--clr-pill-light);
  color: var(--clr-card-strong);
  font-size: var(--font-size-sm);
  font-weight: 700;
  padding: 4px var(--space-sm);
  border-radius: var(--radius-pill);
}

.content-card--gejala .kartu-deskripsi {
  color: var(--clr-text-on-strong);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.content-card--gejala .kartu-deskripsi-list {
  color: var(--clr-text-on-strong);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  padding-left: 1.1em;
}

.content-card--gejala .kartu-deskripsi-list li {
  margin-bottom: 4px;
}

.content-card--gejala .kartu-deskripsi-list li:last-child {
  margin-bottom: 0;
}

/* ============================================================
   KARTU KONTEN — LANGKAH
   ============================================================ */

.content-card--langkah {
  position: relative;
}

.kartu-nomor {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--clr-card-strong);
  color: var(--clr-white);
  font-size: var(--font-size-sm);
  font-weight: 700;
  flex-shrink: 0;
}

.kartu-teks {
  flex: 1;
}

.kartu-judul {
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--clr-text-dark);
  margin-bottom: var(--space-xs);
}

.kartu-deskripsi {
  font-size: var(--font-size-sm);
  color: var(--clr-text-muted);
  line-height: 1.6;
  margin-top: var(--space-xs);
}

.kartu-deskripsi strong {
  color: var(--clr-text-dark);
  font-weight: 600;
}

/* Slot ilustrasi kartu — ukuran rekomendasi 56x56px */
.kartu-svg {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   KARTU KONTEN — KONTAK (NOMOR DARURAT)
   ============================================================ */

.content-card--kontak {
  align-items: center;
  justify-content: space-between;
}

.kontak-nama {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--clr-text-dark);
}

.kontak-nomor {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--clr-info);
  text-decoration: none;
  letter-spacing: 0.03em;
}

.kontak-nomor:active {
  opacity: 0.7;
}

/* ============================================================
   KOTAK PERINGATAN
   ============================================================ */

.warning-box {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  background-color: var(--clr-warning);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  margin-top: var(--space-xs);
  box-shadow: var(--shadow-card);
}

.warning-box svg {
  color: var(--clr-text-on-warning);
  flex-shrink: 0;
  margin-top: 2px;
}

.warning-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--clr-text-on-warning);
  margin-bottom: 2px;
}

.warning-desc {
  font-size: var(--font-size-sm);
  color: var(--clr-text-on-warning);
  line-height: 1.6;
}

/* ============================================================
   ACCORDION
   ============================================================ */

.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.accordion-item {
  background-color: var(--clr-pill-light);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
}

/* Saat terbuka, pill berubah jadi kartu penuh */
.accordion-item:has(.accordion-body.open) {
  border-radius: var(--radius-card);
  background-color: var(--clr-card);
  box-shadow: var(--shadow-card);
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: none;
  border: none;
  color: var(--clr-card-strong);
  font-size: var(--font-size-base);
  font-weight: 700;
  cursor: pointer;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
}

/* Slot ikon kiri pill — ukuran rekomendasi 32x32px */
.accordion-icon-left {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: var(--radius-icon);
  background-color: rgba(46, 139, 87, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.accordion-label {
  flex: 1;
}

.accordion-icon {
  flex-shrink: 0;
  color: var(--clr-card-strong);
  transition: transform 0.2s ease;
}

.accordion-header[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  display: none;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  padding-top: 0;
}

.accordion-body.open {
  display: flex;
}

/* ============================================================
   SUB-HEADER GRUP (PERLENGKAPAN & OBAT-OBATAN)
   ============================================================ */

.grup-header {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clr-text-muted);
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
  padding-left: var(--space-xs);
}

.grup-header:first-child {
  margin-top: 0;
}

/* ============================================================
   HALAMAN UTAMA — PRINSIP KEAMANAN
   ============================================================ */

.prinsip-keamanan {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
}

.prinsip-keamanan__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-md);
  font-weight: 800;
  text-transform: uppercase;
  text-align: center;
  color: var(--clr-white);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.prinsip-keamanan__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.prinsip-card {
  position: relative;
  background-color: var(--clr-card);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  padding-top: calc(var(--space-md) + 10px);
  box-shadow: var(--shadow-card);
}

.prinsip-card--perhatian {
  background-color: var(--clr-warning);
}

.prinsip-card__badge {
  position: absolute;
  top: -10px;
  left: var(--space-md);
  background-color: var(--clr-card-strong);
  color: var(--clr-white);
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 700;
  padding: 4px var(--space-sm);
  border-radius: var(--radius-pill);
}

.prinsip-card__badge--perhatian {
  background-color: var(--clr-text-on-warning);
  color: var(--clr-warning);
}

.prinsip-card__body {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.prinsip-card__teks {
  flex: 1;
  font-size: var(--font-size-base);
  color: var(--clr-text-dark);
  line-height: 1.6;
  overflow-wrap: break-word;
}

.prinsip-card--perhatian .prinsip-card__teks {
  color: var(--clr-text-on-warning);
}

/* Slot ilustrasi prinsip keamanan — ukuran rekomendasi 64x64px */
.prinsip-card__ilustrasi {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
}

/* ============================================================
   HALAMAN DETAIL — JUDUL SEKSI
   ============================================================ */

.detail-section-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-md);
  font-weight: 800;
  text-transform: uppercase;
  text-align: center;
  letter-spacing: 0.06em;
  color: var(--clr-white);
  margin-top: var(--space-md);
}

/* ============================================================
   KARTU KONTEN — AKSI (GAYA PRINSIP)
   ============================================================ */

.content-card--aksi {
  position: relative;
  background-color: var(--clr-card);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  padding-top: calc(var(--space-md) + 10px);
  box-shadow: var(--shadow-card);
}

.aksi-badge {
  position: absolute;
  top: -10px;
  left: var(--space-md);
  background-color: var(--clr-card-strong);
  color: var(--clr-white);
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 700;
  padding: 4px var(--space-sm);
  border-radius: var(--radius-pill);
}

.aksi-body {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.aksi-teks {
  flex: 1;
  font-size: var(--font-size-base);
  color: var(--clr-text-dark);
  line-height: 1.6;
}

/* Slot ilustrasi kartu aksi — 64x64px */
.aksi-ilustrasi {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
}

/* ============================================================
   KARTU KONTEN — MNEMONIC
   ============================================================ */

.content-card--mnemonic {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  background-color: var(--clr-card);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
}

.mnemonic-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.mnemonic-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background-color: var(--clr-card-strong);
  color: var(--clr-white);
  font-family: var(--font-heading);
  font-size: var(--font-size-md);
  font-weight: 800;
  flex-shrink: 0;
}

.mnemonic-judul {
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--clr-text-dark);
  flex: 1;
}

.mnemonic-body {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.mnemonic-teks {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* Slot ilustrasi mnemonic — 48x48px */
.mnemonic-ilustrasi {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

/* ============================================================
   PEMBATAS LEBAR DAN ORIENTASI
   ============================================================ */

html,
body {
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

@media (orientation: landscape) {
  html {
    height: 100vw;
  }
  body {
    min-height: 100vw;
  }
}