:root {
  --bg: #0d1117;
  --bg2: #161b22;
  --bg3: #1c2128;
  --border: #2d333b;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #34d399;
  --accent2: #60a5fa;
  --danger: #f87171;
  --radius: 14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
.app { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 46px; height: 46px; border-radius: 12px;
  background: linear-gradient(135deg, #34d399, #22c55e);
  display: grid; place-items: center; font-size: 24px;
}
.brand h1 { font-size: 17px; font-weight: 800; }
.brand p { font-size: 12px; color: var(--muted); }

.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  background: transparent; border: none; color: var(--muted);
  padding: 11px 14px; border-radius: 10px; cursor: pointer;
  font-size: 14px; font-weight: 600; text-align: left;
  transition: .15s;
}
.nav-item:hover { background: var(--bg3); color: var(--text); }
.nav-item.active { background: rgba(52,211,153,.12); color: var(--accent); }
.nav-item .ico { font-size: 16px; }

.sidebar-footer { margin-top: auto; }
.hint { font-size: 12px; color: var(--muted); text-align: center; margin-top: 10px; }

/* Main */
.main { flex: 1; padding: 28px; }
.view { display: none; }
.view.active { display: block; }
.view-head { margin-bottom: 22px; }
.view-head h2 { font-size: 26px; font-weight: 800; }
.view-head .sub { color: var(--muted); font-size: 14px; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 16px; margin-bottom: 20px; }
.stat-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  display: flex; flex-direction: column; gap: 6px;
}
.stat-label { font-size: 13px; color: var(--muted); }
.stat-value { font-size: 32px; font-weight: 800; }

/* Panels */
.panel {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 20px;
}
.panel h3 { font-size: 16px; font-weight: 700; margin-bottom: 14px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; }
.link { background: none; border: none; color: var(--accent2); cursor: pointer; font-size: 13px; }

/* Cards list */
.card-list { display: flex; flex-direction: column; gap: 10px; }
.card-row {
  display: flex; align-items: center; gap: 14px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px; cursor: pointer; transition: .15s;
}
.card-row:hover { border-color: var(--accent); }
.card-row img { width: 56px; height: 56px; object-fit: cover; border-radius: 8px; background: #222; }
.card-row .thumb-empty { width: 56px; height: 56px; border-radius: 8px; background: #222; display: grid; place-items: center; color: var(--muted); }
.card-info { flex: 1; min-width: 0; }
.card-info h4 { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-info p { font-size: 12px; color: var(--muted); }
.badge { font-size: 11px; padding: 3px 9px; border-radius: 20px; font-weight: 600; }
.badge.ok { background: rgba(52,211,153,.15); color: var(--accent); }
.badge.failed { background: rgba(248,113,113,.15); color: var(--danger); }

/* Content grid */
.content-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap: 16px;
}
.content-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; cursor: pointer; transition: .15s;
}
.content-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.content-card img { width: 100%; height: 150px; object-fit: cover; background: #222; }
.content-card .cc-body { padding: 14px; }
.content-card h4 { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.content-card p { font-size: 12px; color: var(--muted); }

/* Buttons */
.btn {
  border: none; border-radius: 10px; padding: 11px 18px;
  font-size: 14px; font-weight: 700; cursor: pointer; transition: .15s;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-primary { background: linear-gradient(135deg, #34d399, #22c55e); color: #06281c; }
.btn-primary:hover { filter: brightness(1.1); }
.btn-secondary { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent2); }
.btn-danger { background: rgba(248,113,113,.12); color: var(--danger); border: 1px solid rgba(248,113,113,.3); }
.btn-block { width: 100%; }
.interval-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.interval-btns .btn.active { background: rgba(52,211,153,.2); color: var(--accent); border-color: var(--accent); }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.spin {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid rgba(0,0,0,.3); border-top-color: #06281c;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Settings form */
.settings-form { max-width: 680px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
.field input {
  width: 100%; background: var(--bg3); border: 1px solid var(--border);
  color: var(--text); border-radius: 10px; padding: 11px 13px; font-size: 14px;
}
.field input:focus { outline: none; border-color: var(--accent); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: grid; place-items: center; z-index: 50; padding: 24px;
}
.modal-backdrop[hidden] { display: none; }
.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 18px; max-width: 720px; width: 100%; max-height: 90vh;
  overflow: hidden; position: relative;
}
.modal-close {
  position: absolute; top: 12px; right: 12px; background: var(--bg3);
  border: none; color: var(--text); width: 34px; height: 34px;
  border-radius: 50%; cursor: pointer; font-size: 15px; z-index: 2;
}
.modal-body { padding: 24px; overflow-y: auto; max-height: 90vh; }
.modal-body img.hero { width: 100%; border-radius: 12px; max-height: 320px; object-fit: cover; margin-bottom: 16px; }
.modal-body h2 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.modal-body .meta-desc { color: var(--muted); font-size: 14px; font-style: italic; margin-bottom: 14px; }
.modal-body .article { background: var(--bg3); border-radius: 12px; padding: 18px; line-height: 1.6; font-size: 14px; white-space: pre-wrap; }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.modal-body h3 { margin: 18px 0 8px; font-size: 15px; }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--bg3); border: 1px solid var(--border); color: var(--text);
  padding: 13px 20px; border-radius: 12px; z-index: 100; font-size: 14px; font-weight: 600;
  box-shadow: 0 8px 30px rgba(0,0,0,.4);
}

/* Responsive */
@media (max-width: 768px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row; align-items: center; flex-wrap: wrap; }
  .nav { flex-direction: row; }
  .sidebar-footer { margin: 0 0 0 auto; }
}