/* Tampilan halaman gerbang (index.php). Ubah warna lewat variabel di :root.
 *
 * GAMBAR LATAR: isi --bg-desktop dan --bg-mobile di bawah.
 *   - Link gambar:  url("https://contoh.com/gambar.jpg")
 *   - File lokal:   url("bg-desktop.jpg")   (file ada di folder assets/)
 *   - Tanpa gambar: none
 * Kalau gambar gagal dimuat, latar otomatis memakai warna --bg.
 */
:root {
  --bg-desktop: url("bg-desktop.jpg");   /* laptop / PC */
  --bg-mobile:  url("https://relx.sgp1.cdn.digitaloceanspaces.com/fuji/ms/mobile/background-mobile-fuji.webp");    /* HP (lebar layar <= 768px) */

  --bg: #0f1115;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, .78);
  --track: rgba(255, 255, 255, .25);
  --accent: #3b82f6;
  --panel: rgba(15, 17, 21, .55);
  --line: rgba(255, 255, 255, .15);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
  font: 15px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  background-image: var(--bg-desktop);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}
/* HP / layar kecil */
@media (max-width: 768px) {
  body {
    background-image: var(--bg-mobile);
    background-attachment: scroll;   /* 'fixed' sering bermasalah di HP */
  }
}

/* Panel kaca agar teks tetap terbaca di atas gambar apa pun */
.card {
  position: relative;
  width: 100%;
  max-width: 420px;
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 20px 50px -15px rgba(0, 0, 0, .5);
}
/* Efek blur dipasang di lapisan terpisah agar garis berjalan tetap menempel di atas layar */
.card::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  border-radius: inherit;
  background: var(--panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Teks tetap ada untuk JS & pembaca layar, tapi tidak terlihat */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ===== Logo di tengah panel (dari logo_url di report/config.php) ===== */
.logo {
  display: block;
  height: 64px; width: auto; max-width: 220px;
  object-fit: contain;
  margin: 0 auto 24px;
}
@media (max-width: 480px) { .logo { height: 52px; } }

/* ===== Keterangan saat mencari ===== */
.note {
  margin: 20px 0 4px;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
}
.sub { margin: 0; color: var(--muted); font-size: .9rem; }

/* ===== Lingkaran buffering berputar ===== */
.spin {
  width: 48px; height: 48px;
  margin: 0 auto;
  border-radius: 50%;
  border: 4px solid var(--track);
  border-top-color: var(--accent);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Garis berjalan di atas layar ===== */
.topbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--track);
  overflow: hidden;
  z-index: 10;
}
.topbar::before {
  content: "";
  position: absolute; top: 0; bottom: 0;
  width: 35%;
  background: var(--accent);
  animation: run 1.2s ease-in-out infinite;
}
@keyframes run { from { left: -35%; } to { left: 100%; } }

/* ===== Tampilan gagal (ditampilkan oleh gateway.js) ===== */
#fail { display: none; }
#fail h1 { margin: 0 0 6px; font-size: 1.15rem; font-weight: 600; }
#fail p  { margin: 0; color: var(--muted); }

#list { list-style: none; margin: 20px 0; padding: 0; display: grid; gap: 8px; text-align: left; }
#list a {
  display: block; padding: 10px 14px;
  border: 1px solid var(--line); border-radius: 10px;
  background: rgba(255, 255, 255, .06);
  color: var(--text); text-decoration: none;
  overflow-wrap: anywhere;
  transition: border-color .15s, background .15s;
}
#list a:hover { border-color: var(--accent); background: rgba(255, 255, 255, .12); }

#retry {
  padding: 10px 24px; border: 0; border-radius: 10px;
  font: inherit; font-weight: 600; color: #fff;
  background: var(--accent); cursor: pointer;
}
#retry:hover { filter: brightness(1.1); }

noscript p { margin: 16px 0 0; color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  .spin, .topbar::before { animation-duration: 2s; }
}