/* =============================================
   GeoLocate - Stylesheet Utama
   Vanilla CSS, tanpa Bootstrap
   ============================================= */

:root {
  --hijau: #22c55e;
  --hijau-gelap: #16a34a;
  --hitam: #111827;
  --abu-gelap: #1f2937;
  --abu: #374151;
  --abu-muda: #6b7280;
  --putih: #f9fafb;
  --merah: #ef4444;
  --biru: #3b82f6;
  --kuning: #f59e0b;
  --bg: #0f172a;
  --bg2: #1e293b;
  --bg3: #334155;
  --border: #334155;
  --teks: #e2e8f0;
  --teks-muda: #94a3b8;
  --radius: 12px;
  --radius-sm: 8px;
  --bayangan: 0 4px 24px rgba(0,0,0,0.35);
  --bayangan-sm: 0 2px 8px rgba(0,0,0,0.25);
  --transisi: 0.2s ease;
}

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

html, body {
  height: 100%;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--teks);
  line-height: 1.6;
  font-size: 15px;
}

a {
  color: var(--hijau);
  text-decoration: none;
  transition: color var(--transisi);
}
a:hover { color: var(--hijau-gelap); }

button, .btn {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 15px;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  transition: all var(--transisi);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.btn-hijau {
  background: var(--hijau);
  color: #fff;
}
.btn-hijau:hover { background: var(--hijau-gelap); transform: translateY(-1px); }

.btn-abu {
  background: var(--bg3);
  color: var(--teks);
}
.btn-abu:hover { background: var(--abu); }

.btn-merah {
  background: var(--merah);
  color: #fff;
}
.btn-merah:hover { opacity: 0.85; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--teks);
}
.btn-outline:hover { background: var(--bg3); }

.btn-full { width: 100%; justify-content: center; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

input, textarea, select {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--teks);
  font-family: inherit;
  font-size: 15px;
  padding: 10px 14px;
  width: 100%;
  transition: border-color var(--transisi);
  outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--hijau);
}
input::placeholder { color: var(--teks-muda); }

label {
  display: block;
  margin-bottom: 6px;
  color: var(--teks-muda);
  font-size: 13px;
  font-weight: 500;
}

.form-group { margin-bottom: 18px; }

.kartu {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--bayangan);
}

.notifikasi {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 14px;
  display: none;
}
.notifikasi.tampil { display: block; }
.notifikasi.sukses { background: rgba(34,197,94,0.15); border: 1px solid var(--hijau); color: var(--hijau); }
.notifikasi.error { background: rgba(239,68,68,0.15); border: 1px solid var(--merah); color: var(--merah); }
.notifikasi.info { background: rgba(59,130,246,0.15); border: 1px solid var(--biru); color: var(--biru); }

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: putar 0.7s linear infinite;
}
@keyframes putar { to { transform: rotate(360deg); } }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge-hijau { background: rgba(34,197,94,0.15); color: var(--hijau); }
.badge-merah { background: rgba(239,68,68,0.15); color: var(--merah); }
.badge-abu { background: var(--bg3); color: var(--teks-muda); }

/* ---- NAVBAR ---- */
.navbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--teks);
}

.navbar-brand .logo-titik {
  width: 10px;
  height: 10px;
  background: var(--hijau);
  border-radius: 50%;
  animation: denyut 1.5s ease-in-out infinite;
}

@keyframes denyut {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.7; }
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-menu a, .navbar-menu button {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--teks-muda);
  background: transparent;
  transition: all var(--transisi);
}
.navbar-menu a:hover, .navbar-menu a.aktif {
  background: var(--bg3);
  color: var(--teks);
}

/* ---- HALAMAN BERANDA ---- */
.beranda {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px 60px;
}

.hero-judul {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, var(--hijau) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  color: var(--teks-muda);
  max-width: 480px;
  margin: 0 auto 40px;
}

.hero-aksi {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.fitur-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 24px;
}

.fitur-kartu {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all var(--transisi);
}

.fitur-kartu:hover {
  border-color: var(--hijau);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(34,197,94,0.15);
}

.fitur-ikon {
  font-size: 36px;
  margin-bottom: 16px;
  display: block;
}

.fitur-judul {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.fitur-desc {
  font-size: 14px;
  color: var(--teks-muda);
}

/* ---- HALAMAN AUTH ---- */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg);
}

.auth-kotak {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--bayangan);
}

.auth-logo {
  text-align: center;
  margin-bottom: 28px;
}

.auth-logo h1 {
  font-size: 24px;
  font-weight: 800;
  color: var(--hijau);
}

.auth-logo p {
  font-size: 14px;
  color: var(--teks-muda);
  margin-top: 4px;
}

.auth-judul {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
}

.auth-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: var(--teks-muda);
}

/* ---- LAYOUT UTAMA (App) ---- */
.app-layout {
  display: flex;
  height: 100vh;
  padding-top: 60px;
}

.sidebar {
  width: 280px;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-tabs {
  display: flex;
  gap: 4px;
}

.sidebar-tab {
  flex: 1;
  padding: 8px 0;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--teks-muda);
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transisi);
}

.sidebar-tab.aktif {
  background: var(--bg3);
  color: var(--teks);
  border-color: var(--border);
}

.sidebar-konten {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.sidebar-konten::-webkit-scrollbar { width: 4px; }
.sidebar-konten::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 2px; }

.teman-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transisi);
  border: 1px solid transparent;
}

.teman-item:hover { background: var(--bg3); }
.teman-item.aktif { background: var(--bg3); border-color: var(--border); }

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  flex-shrink: 0;
  position: relative;
}

.avatar-saya { background: var(--hijau); }
.avatar-teman { background: var(--hitam); border: 2px solid var(--abu); }
.avatar-offline { background: var(--merah); }

.status-titik {
  position: absolute;
  bottom: 1px;
  right: 1px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--bg2);
}
.online { background: var(--hijau); }
.offline { background: var(--merah); }

.teman-info { flex: 1; min-width: 0; }
.teman-nama { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.teman-status { font-size: 12px; color: var(--teks-muda); }

.konten-utama {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* ---- PETA GPS ---- */
#peta {
  flex: 1;
  width: 100%;
  height: 100%;
}

.peta-info {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 13px;
  z-index: 10;
  max-width: 220px;
}

.peta-kontrol {
  position: absolute;
  top: 80px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 10;
}

.peta-tombol {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--teks);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: all var(--transisi);
}
.peta-tombol:hover { background: var(--bg3); }

/* ---- AREA CHAT ---- */
.chat-area {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.chat-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg2);
}

.chat-pesan-wrapper {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-pesan-wrapper::-webkit-scrollbar { width: 4px; }
.chat-pesan-wrapper::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 2px; }

.gelembung-wrapper {
  display: flex;
  gap: 8px;
}

.gelembung-wrapper.milik-saya {
  flex-direction: row-reverse;
}

.gelembung {
  max-width: 70%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
  word-break: break-word;
}

.gelembung.milik-saya {
  background: var(--hijau);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.gelembung.teman {
  background: var(--bg3);
  color: var(--teks);
  border-bottom-left-radius: 4px;
}

.gelembung-waktu {
  font-size: 11px;
  opacity: 0.6;
  margin-top: 4px;
  text-align: right;
}

.chat-input-wrapper {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg2);
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 10px 16px;
  color: var(--teks);
  font-size: 14px;
  resize: none;
  max-height: 120px;
  overflow-y: auto;
  outline: none;
  width: auto;
}

.chat-input:focus { border-color: var(--hijau); }

.chat-kirim {
  background: var(--hijau);
  color: #fff;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: all var(--transisi);
  flex-shrink: 0;
}
.chat-kirim:hover { background: var(--hijau-gelap); transform: scale(1.05); }

.enkripsi-label {
  text-align: center;
  font-size: 11px;
  color: var(--teks-muda);
  padding: 6px;
}

/* ---- PANEL TEMAN ---- */
.input-id-teman {
  display: flex;
  gap: 8px;
}

.chip-notif {
  background: var(--merah);
  color: #fff;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-left: 4px;
}

/* ---- MODAL ---- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transisi);
}
.overlay.tampil { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--bayangan);
  transform: translateY(20px);
  transition: transform var(--transisi);
}
.overlay.tampil .modal { transform: translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-judul {
  font-size: 18px;
  font-weight: 700;
}

.modal-tutup {
  background: transparent;
  border: none;
  color: var(--teks-muda);
  font-size: 22px;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transisi);
}
.modal-tutup:hover { background: var(--bg3); color: var(--teks); }

/* ---- SHORTCUT ---- */
.shortcut-bar {
  display: flex;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.shortcut-bar::-webkit-scrollbar { height: 0; }

.shortcut-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 13px;
  white-space: nowrap;
  color: var(--teks);
  cursor: pointer;
  transition: all var(--transisi);
}
.shortcut-btn:hover { border-color: var(--hijau); color: var(--hijau); }
.shortcut-btn.aktif { background: var(--hijau); color: #fff; border-color: var(--hijau); }

/* ---- ADMIN DASHBOARD ---- */
.admin-layout {
  display: flex;
  height: 100vh;
  padding-top: 60px;
}

.admin-sidebar {
  width: 240px;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  padding: 16px;
  flex-shrink: 0;
}

.admin-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--teks-muda);
  cursor: pointer;
  font-size: 14px;
  transition: all var(--transisi);
  margin-bottom: 4px;
}
.admin-menu-item:hover { background: var(--bg3); color: var(--teks); }
.admin-menu-item.aktif { background: rgba(34,197,94,0.15); color: var(--hijau); }

.admin-konten {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-kartu {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.stat-angka {
  font-size: 36px;
  font-weight: 800;
  color: var(--hijau);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 13px;
  color: var(--teks-muda);
}

.tabel {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.tabel th {
  text-align: left;
  padding: 10px 14px;
  background: var(--bg3);
  color: var(--teks-muda);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.tabel td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.tabel tr:hover td { background: rgba(255,255,255,0.02); }

/* Editor Panel */
.editor-panel {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  height: calc(100vh - 60px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.file-tree {
  background: var(--bg2);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px 8px;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--teks-muda);
  transition: all var(--transisi);
  word-break: break-all;
}
.file-item:hover { background: var(--bg3); color: var(--teks); }
.file-item.aktif { background: rgba(34,197,94,0.1); color: var(--hijau); }

.editor-area {
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

.editor-toolbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.editor-kode {
  flex: 1;
  background: var(--bg);
  color: var(--teks);
  border: none;
  padding: 20px;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  resize: none;
  outline: none;
  line-height: 1.7;
}

.editor-status {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 6px 16px;
  font-size: 12px;
  color: var(--teks-muda);
  display: flex;
  justify-content: space-between;
}

/* ---- HALAMAN KOSONG ---- */
.halaman-kosong {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--teks-muda);
  padding: 40px;
}

.halaman-kosong-ikon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.3;
}

/* ---- ANIMASI ---- */
@keyframes masuk {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animasi-masuk { animation: masuk 0.25s ease forwards; }

/* ---- RESPONSIF ---- */
@media (max-width: 768px) {
  .sidebar { width: 100%; position: fixed; bottom: 0; left: 0; right: 0; height: auto; border-right: none; border-top: 1px solid var(--border); z-index: 50; }
  .konten-utama { padding-bottom: 300px; }
  .hero-judul { font-size: 32px; }
  .admin-sidebar { width: 200px; }
}