/* ===== Mobile-first: Sidebar sebagai drawer (dasar) ===== */
.hamburger {
  display: inline-flex;
  flex-direction: column;
}

/* Judul header dikecilkan di layar kecil agar muat & tidak terpotong di bawah */
.header-title {
  font-size: 0.95rem;
  line-height: 1.2;
  min-width: 0;
}

/* Tombol collapse khusus desktop; sembunyi di mode drawer mobile */
.sidebar-collapse-btn {
  display: none;
}

.sidebar {
  position: fixed;
  top: 60px;
  left: 0;
  width: min(84vw, 300px);
  height: calc(100vh - 60px);
  transform: translateX(-105%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
  z-index: 95;
  box-shadow: none;
  border-right: 1px solid var(--border);
}

.sidebar.active {
  transform: translateX(0);
  box-shadow: var(--shadow-lg);
}

/* Mode drawer (mobile): abaikan state ciut agar teks & ikon menu tetap tampil */
@media (max-width: 1023px) {
  .sidebar.collapsed {
    width: min(84vw, 300px);
  }
  .sidebar.collapsed .sidebar-brand {
    justify-content: flex-start;
    padding: 0.5rem 1rem 1rem;
  }
  .sidebar.collapsed .brand-text,
  .sidebar.collapsed .nav-label,
  .sidebar.collapsed .nav-chevron {
    display: block;
  }
  .sidebar.collapsed .nav-link,
  .sidebar.collapsed .nav-link-row .nav-link {
    justify-content: flex-start;
    gap: 0.6rem;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  .sidebar.collapsed .nav-num {
    width: 24px;
    height: 24px;
    font-size: 0.8rem;
  }
  .sidebar.collapsed .nav-sublist {
    display: none !important;
  }
  .sidebar.collapsed .nav-item.open:has(> .nav-sublist) > .nav-sublist {
    display: block !important;
  }
  .sidebar.collapsed .sidebar-collapse-btn {
    display: none;
  }
}

/* Overlay aktif saat drawer terbuka */
.overlay.active {
  opacity: 1;
  visibility: visible;
}

.content {
  padding: 1.5rem 1rem;
  max-width: 100%;
}

/* Hero */
.hero {
  padding: 1.5rem;
}
.hero h2 {
  font-size: 1.5rem;
}
.hero p {
  max-width: 100%;
}
.hero-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
}
.hero-card {
  min-width: 0;
  width: 100%;
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.hero-card span {
  font-size: 1.3rem;
}

/* Module */
.module-title {
  font-size: 1.4rem;
}
.sub {
  padding: 1rem;
}
.sub h3 {
  font-size: 1.1rem;
}

/* Tabel lebih kecil */
th, td {
  padding: 0.5rem 0.6rem;
  font-size: 0.85rem;
}

/* Back to top */
.back-to-top {
  bottom: 1rem;
  right: 1rem;
}

/* ===== Tablet (>= 480px) ===== */
@media (min-width: 480px) {
  .content {
    padding: 2rem 1.5rem;
  }

  .header-title {
    font-size: 1.05rem;
  }

  .hero-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
  }
}

/* ===== Desktop (>= 1024px): sidebar permanen ===== */
@media (min-width: 1024px) {
  .hamburger {
    display: none;
  }

  .sidebar,
  .sidebar.active {
    position: sticky;
    top: 60px;
    left: auto;
    width: 260px;
    height: calc(100vh - 60px);
    transform: none;
    box-shadow: none;
    z-index: auto;
    transition: width 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .sidebar-collapse-btn {
    display: inline-flex;
  }

  .sidebar.collapsed,
  .sidebar.collapsed.active {
    width: 68px;
  }

  .overlay,
  .overlay.active {
    display: none;
  }

  .content {
    flex: 1;
    padding: 3rem 2.5rem;
    max-width: 960px;
    min-width: 0;
  }

  .hero {
    padding: 2.5rem;
  }
  .hero h2 {
    font-size: 2rem;
  }
  .hero p {
    max-width: 80%;
  }
  .hero-cards {
    gap: 1rem;
  }
  .hero-card {
    min-width: 0;
    padding: 0.75rem 1.25rem;
  }
  .hero-card span {
    font-size: 1.5rem;
  }

  .module-title {
    font-size: 1.7rem;
  }
  .sub {
    padding: 1.5rem;
  }
  .sub h3 {
    font-size: 1.25rem;
  }

  th, td {
    padding: 0.65rem 0.85rem;
    font-size: 0.92rem;
  }

  .back-to-top {
    bottom: 2rem;
    right: 2rem;
  }
}

/* ===== Sidebar lebar di layar sangat besar (>= 1400px) ===== */
@media (min-width: 1400px) {
  .sidebar,
  .sidebar.active {
    width: 280px;
  }
  .hamburger svg,
  .sidebar-collapse-btn svg {
    width: 22px;
    height: 22px;
  }
}

/* ===== Login Responsive GLOBAL (HP, tablet, laptop, desktop, dll.) =====
   Prinsip: halaman login SELALU berada di tengah layar pada semua perangkat.
   Dipakai teknik "safe centering": parent flex center + anak diberi margin:auto,
   sehingga kartu tetap di tengah saat pas, dan tetap bisa digulir (tidak terpotong
   di atas) saat konten lebih tinggi dari layar. */
.login-modal {
  align-items: center;
  justify-content: center;
  overflow-y: auto;
}

.login-modal > .login-card,
.login-modal > .siswa-shell {
  margin: auto;
  flex-shrink: 0;
}

/* Halaman hasil.html: kartu login juga selalu di tengah layar */
.hasil-wrap #loginScreen.hasil-login {
  margin: auto;
}

/* --- HP sangat kecil (<= 360px) --- */
@media (max-width: 360px) {
  .login-modal {
    padding: 0.5rem;
    padding-top: max(0.5rem, env(safe-area-inset-top));
    padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
  }
  .login-card {
    padding: 1.75rem 1.15rem 1.25rem;
    border-radius: 18px;
    max-width: 100%;
  }
  .login-card h2 {
    font-size: 1.15rem;
  }
}

/* --- HP (<= 480px) --- */
@media (max-width: 480px) {
  .login-modal {
    padding: 0.75rem;
    padding-top: max(0.75rem, env(safe-area-inset-top));
    padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
  }
  .login-card {
    padding: 2rem 1.5rem 1.5rem;
    border-radius: 20px;
    max-width: 100%;
  }
  .login-logo {
    width: 60px;
    height: 60px;
    font-size: 1.7rem;
    border-radius: 16px;
    margin-bottom: 1rem;
  }
  .login-card h2 {
    font-size: 1.3rem;
  }
  .login-sub {
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
  }
  .login-input {
    padding: 0.75rem 0.75rem 0.75rem 2.6rem;
    font-size: 0.95rem;
  }
  .quiz-btn-block {
    padding: 0.85rem 1.5rem;
    font-size: 0.95rem;
  }
  .login-modal::before {
    width: 200px;
    height: 200px;
  }
  .login-modal::after {
    width: 160px;
    height: 160px;
  }
  .login-shape-1,
  .login-shape-2,
  .login-shape-3 {
    display: none;
  }
}

/* --- HP besar / tablet kecil (481-768px) --- */
@media (min-width: 481px) and (max-width: 768px) {
  .login-card {
    max-width: 380px;
    padding: 2.25rem 1.75rem 1.75rem;
  }
  .login-logo {
    width: 66px;
    height: 66px;
  }
}

/* --- Tablet (769-1024px) --- */
@media (min-width: 769px) and (max-width: 1024px) {
  .login-card {
    max-width: 420px;
  }
}

/* --- Desktop / laptop (>= 1025px) --- */
@media (min-width: 1025px) {
  .login-card {
    max-width: 440px;
  }
  .login-modal {
    padding: 2rem;
    padding-top: max(2rem, env(safe-area-inset-top));
    padding-bottom: max(2rem, env(safe-area-inset-bottom));
  }
}

/* --- Layar pendek (landscape HP / laptop kecil tingginya) --- */
@media (max-height: 560px) {
  .login-card {
    padding: 1.25rem 1.5rem 1.1rem;
    border-radius: 18px;
  }
  .login-logo {
    width: 52px;
    height: 52px;
    font-size: 1.4rem;
    margin-bottom: 0.7rem;
  }
  .login-card h2 {
    font-size: 1.1rem;
  }
  .login-sub {
    margin-bottom: 0.9rem;
  }
  .login-input-group {
    margin-bottom: 0.7rem;
  }
  .login-error {
    margin: 0.1rem 0;
  }
  .quiz-btn-block {
    margin-top: 0.4rem;
  }
  .login-support {
    margin-top: 0.4rem;
  }
}

/* --- Layar tinggi (>= 800px) --- */
@media (min-height: 800px) {
  .login-card {
    padding: 3rem 2.25rem 2.25rem;
  }
  .login-logo {
    margin-bottom: 1.5rem;
  }
}