/* ============================================
   MONITOR v5 — Apple-inspired Design
   ============================================ */
:root {
  --bg: #f5f5f7;
  --bg-card: rgba(255,255,255,.8);
  --bg-card-solid: #ffffff;
  --bg-sidebar: rgba(255,255,255,.72);
  --bg-input: rgba(0,0,0,.04);
  --border: rgba(0,0,0,.06);
  --text: #1d1d1f;
  --text-secondary: #86868b;
  --text-tertiary: #aeaeb2;
  --accent: #f47e20;
  --accent-hover: #e06d10;
  --green: #34c759;
  --red: #ff3b30;
  --orange: #ff9500;
  --blue: #007aff;
  --teal: #5ac8fa;
  --purple: #af52de;
  --radius: 14px;
  --radius-sm: 10px;
  --sidebar-w: 260px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'SF Pro Display','Helvetica Neue',sans-serif;
  background:var(--bg);
  color:var(--text);
  display:flex;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
  font-feature-settings:'cv11','ss01';
  letter-spacing:-.01em;
}

/* ---- Sidebar ---- */
.sidebar{
  width:var(--sidebar-w);
  background:var(--bg-sidebar);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  position:fixed;top:0;left:0;bottom:0;z-index:100;
  transition:transform .35s cubic-bezier(.32,.72,0,1);
}
.sidebar-header{padding:0 16px;border-bottom:1px solid var(--border);height:48px;display:flex;align-items:center;flex-shrink:0}
.logo{display:flex;align-items:center;gap:9px}
.logo-icon{flex-shrink:0}
.logo-text{font-size:17px;font-weight:600;color:var(--text);letter-spacing:-.02em}
.nav-list{list-style:none;flex:1;overflow-y:auto;padding:6px 8px;-webkit-overflow-scrolling:touch}
.nav-list::-webkit-scrollbar{width:0}
.nav-item{
  display:flex;align-items:center;gap:9px;
  padding:8px 10px;
  cursor:pointer;
  border-radius:8px;
  transition:background .15s;
  font-size:13px;font-weight:500;
  color:var(--text-secondary);
  margin-bottom:1px;
  -webkit-user-select:none;user-select:none;
}
.nav-item:hover{background:rgba(0,0,0,.04)}
.nav-item:active{background:rgba(0,0,0,.07)}
.nav-item.active{background:var(--accent);color:#fff}
.nav-item.active .status-dot{box-shadow:0 0 0 2px rgba(255,255,255,.4)}
.nav-item.active .btn-delete{color:rgba(255,255,255,.5)}
.nav-item.active .btn-delete:hover{color:#fff}
.status-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}
.status-dot.up{background:var(--green)}
.status-dot.down{background:var(--red)}
.status-dot.unknown{background:var(--text-tertiary)}
.sidebar-footer{padding:10px 8px;border-top:1px solid var(--border)}
.btn-add-app{
  width:100%;padding:9px 12px;
  background:transparent;
  border:1px dashed rgba(0,0,0,.12);
  color:var(--text-secondary);
  border-radius:8px;cursor:pointer;
  font-size:12.5px;font-weight:500;
  display:flex;align-items:center;gap:6px;justify-content:center;
  transition:all .2s;
  font-family:inherit;
}
.btn-add-app:hover{border-color:var(--accent);color:var(--accent);background:rgba(244,126,32,.04)}

/* ---- Main ---- */
.main{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-height:100vh;position:relative}
.topbar{
  display:flex;align-items:center;
  padding:0 20px;
  height:48px;
  background:var(--bg-sidebar);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--border);
  gap:12px;
  position:fixed;top:0;right:0;left:var(--sidebar-w);z-index:50;
  flex-shrink:0;
}
.topbar h1{font-size:16px;font-weight:600;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-.02em}
.topbar-right{display:flex;align-items:center;gap:8px;flex-shrink:0}
.refresh-info{font-size:11px;color:var(--text-tertiary);font-weight:400}
.menu-toggle{display:none;background:none;border:none;color:var(--text);cursor:pointer;padding:4px;line-height:0}
.btn-refresh{
  background:var(--bg-input);border:none;
  color:var(--text-secondary);
  border-radius:8px;width:32px;height:32px;
  cursor:pointer;transition:all .15s;
  display:flex;align-items:center;justify-content:center;
}
.btn-refresh:hover{background:rgba(0,0,0,.08)}
.content{padding:20px;padding-top:68px;flex:1;max-width:1200px;width:100%;margin:0 auto}

/* ---- Status Banner ---- */
.status-banner{
  padding:12px 16px;border-radius:var(--radius-sm);
  margin-bottom:18px;display:flex;align-items:center;gap:9px;
  font-weight:500;font-size:13px;
}
.status-banner.ok{background:rgba(52,199,89,.08);color:#248a3d}
.status-banner.error{background:rgba(255,59,48,.08);color:#d70015}
.status-banner .dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.status-banner.ok .dot{background:var(--green);box-shadow:0 0 8px rgba(52,199,89,.4)}
.status-banner.error .dot{background:var(--red);box-shadow:0 0 8px rgba(255,59,48,.4)}

/* ---- Stat Cards ---- */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:18px}
.stat-card{
  background:var(--bg-card-solid);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  transition:transform .2s cubic-bezier(.32,.72,0,1),box-shadow .2s;
}
.stat-card:hover{transform:scale(1.02);box-shadow:0 4px 20px rgba(0,0,0,.06)}
.stat-card .label{font-size:10px;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.stat-card .value{font-size:28px;font-weight:700;margin:2px 0;letter-spacing:-.03em}
.stat-card .sub{font-size:11px;color:var(--text-tertiary)}
.stat-card.ok .value{color:var(--green)}
.stat-card.error .value{color:var(--red)}
.stat-card.warn .value{color:var(--orange)}

/* ---- Charts ---- */
.charts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;margin-bottom:18px}
.chart-card{
  background:var(--bg-card-solid);border:1px solid var(--border);
  border-radius:var(--radius);padding:16px;
}
.chart-card .card-title,.donut-card .card-title,.system-card .card-title{
  font-size:10px;color:var(--text-tertiary);text-transform:uppercase;
  letter-spacing:.06em;font-weight:600;margin-bottom:12px;
}
.chart-card canvas{width:100%!important;height:auto!important}

/* ---- Donut ---- */
.donut-row{display:flex;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.donut-card{
  background:var(--bg-card-solid);border:1px solid var(--border);
  border-radius:var(--radius);padding:16px;flex:1;min-width:160px;
  display:flex;flex-direction:column;align-items:center;
}
.donut-wrap{position:relative;width:110px;height:110px}
.donut-wrap canvas{width:110px!important;height:110px!important}
.donut-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none}
.donut-center .pct{font-size:22px;font-weight:700;color:var(--text);letter-spacing:-.03em}
.donut-center .lbl{font-size:9px;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.04em;font-weight:500}
.donut-legend{margin-top:10px;width:100%}
.donut-legend .info-row{font-size:11.5px;padding:2px 0}

/* ---- System Cards ---- */
.system-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:18px}
.system-card{background:var(--bg-card-solid);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.info-row{display:flex;justify-content:space-between;padding:5px 0;font-size:12px;border-bottom:1px solid rgba(0,0,0,.04)}
.info-row:last-child{border-bottom:none}
.info-row .label{color:var(--text-secondary)}

/* ---- Table ---- */
.section-title{font-size:13px;font-weight:600;margin:20px 0 8px;color:var(--text);letter-spacing:-.01em}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-bottom:16px;border-radius:var(--radius-sm)}
.endpoints-table{
  width:100%;border-collapse:collapse;
  background:var(--bg-card-solid);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);overflow:hidden;
  font-size:12px;white-space:nowrap;
}
.endpoints-table th{
  text-align:left;padding:10px 12px;
  background:rgba(0,0,0,.02);
  color:var(--text-tertiary);font-weight:600;
  text-transform:uppercase;font-size:9.5px;letter-spacing:.06em;
}
.endpoints-table td{padding:10px 12px;border-top:1px solid rgba(0,0,0,.04)}
.endpoints-table tr:hover td{background:rgba(0,0,0,.015)}
.badge{display:inline-block;padding:2px 8px;border-radius:5px;font-size:10px;font-weight:600}
.badge.up{background:rgba(52,199,89,.1);color:#248a3d}
.badge.down{background:rgba(255,59,48,.1);color:#d70015}
.response-time{font-variant-numeric:tabular-nums;font-weight:600}
.response-time.fast{color:var(--green)}
.response-time.medium{color:var(--orange)}
.response-time.slow{color:var(--red)}

/* ---- App Cards ---- */
.overview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px}
.app-card{
  background:var(--bg-card-solid);border:1px solid var(--border);
  border-radius:var(--radius);padding:16px;cursor:pointer;
  transition:all .25s cubic-bezier(.32,.72,0,1);
}
.app-card:hover{transform:scale(1.02);box-shadow:0 8px 30px rgba(0,0,0,.08)}
.app-card:active{transform:scale(.98)}
.app-card .app-header{display:flex;align-items:center;gap:9px;margin-bottom:12px}
.app-card .app-name{font-weight:600;font-size:14px;letter-spacing:-.01em}
.app-card .app-url{font-size:11px;color:var(--text-tertiary);word-break:break-all}
.app-card .app-stats{display:flex;gap:14px;flex-wrap:wrap}
.app-card .app-stat{text-align:center}
.app-card .app-stat .val{font-size:20px;font-weight:700;letter-spacing:-.03em}
.app-card .app-stat .lbl{font-size:9.5px;color:var(--text-tertiary);font-weight:500;text-transform:uppercase;letter-spacing:.03em}

/* ---- Alerts ---- */
.alerts-list{list-style:none}
.alert-item{
  display:flex;align-items:flex-start;gap:8px;
  padding:10px 12px;
  background:var(--bg-card-solid);border:1px solid var(--border);
  border-radius:var(--radius-sm);margin-bottom:5px;font-size:12px;
}
.alert-item .time{color:var(--text-tertiary);font-size:10px;white-space:nowrap;font-weight:500}
.alert-item .msg{flex:1}
.alert-item.critical{border-left:3px solid var(--red)}
.alert-item.warning{border-left:3px solid var(--orange)}

/* ---- Loading ---- */
.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:200px;color:var(--text-tertiary);font-size:13px;gap:12px}
.spinner{width:24px;height:24px;border:2.5px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---- Modal ---- */
.modal-overlay{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,.25);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  z-index:200;align-items:center;justify-content:center;padding:16px;
}
.modal-overlay.show{display:flex}
.modal{
  background:var(--bg-card-solid);
  border-radius:18px;padding:24px;
  width:100%;max-width:440px;max-height:90vh;overflow-y:auto;
  box-shadow:0 24px 80px rgba(0,0,0,.16);
}
.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.modal-header h2{font-size:17px;font-weight:600;letter-spacing:-.02em}
.modal-close{background:var(--bg-input);border:none;color:var(--text-secondary);width:28px;height:28px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}
.modal-close:hover{background:rgba(0,0,0,.08)}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:11px;color:var(--text-secondary);margin-bottom:5px;font-weight:500}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:10px 12px;
  background:var(--bg-input);
  border:1px solid transparent;border-radius:var(--radius-sm);
  color:var(--text);font-size:14px;outline:none;font-family:inherit;
  transition:border-color .2s,box-shadow .2s;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(244,126,32,.12)}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-tertiary)}
.btn-submit{
  width:100%;padding:12px;margin-top:4px;
  background:var(--accent);border:none;border-radius:var(--radius-sm);
  color:#fff;font-weight:600;font-size:14px;cursor:pointer;
  font-family:inherit;
  transition:background .15s,transform .15s;
}
.btn-submit:hover{background:var(--accent-hover)}
.btn-submit:active{transform:scale(.98)}
.btn-delete{background:none;border:none;color:var(--text-tertiary);cursor:pointer;font-size:14px;opacity:.3;transition:opacity .15s;line-height:1}
.btn-delete:hover{opacity:1;color:var(--red)}

/* ---- Overlay ---- */
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.2);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:99}
.sidebar-overlay.show{display:block}

/* ---- Responsive ---- */
@media(max-width:768px){
  .sidebar{
    transform:translateX(-100%);
    width:280px;
    background:rgba(255,255,255,.92);
    backdrop-filter:saturate(200%) blur(30px);
    -webkit-backdrop-filter:saturate(200%) blur(30px);
    box-shadow:none;
  }
  .sidebar.open{transform:translateX(0);box-shadow:0 0 60px rgba(0,0,0,.12)}
  .main{margin-left:0}
  .topbar{left:0}
  .menu-toggle{display:flex;align-items:center;justify-content:center}
  .content{padding:16px}
  .topbar{padding:10px 16px}
  .topbar h1{font-size:15px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:8px}
  .stat-card{padding:14px}
  .stat-card .value{font-size:22px}
  .charts-grid{grid-template-columns:1fr}
  .donut-row{flex-direction:column}
  .donut-card{flex-direction:row;gap:14px;align-items:flex-start}
  .donut-wrap{width:90px;height:90px;flex-shrink:0}
  .donut-wrap canvas{width:90px!important;height:90px!important}
  .donut-center .pct{font-size:17px}
  .donut-legend{margin-top:0}
  .system-grid{grid-template-columns:1fr;gap:8px}
  .overview-grid{grid-template-columns:1fr}
  .nav-item{padding:10px 12px;font-size:14px}
  .sidebar-footer{padding:12px}
  .btn-add-app{padding:11px;font-size:13.5px}
  .endpoints-table th,.endpoints-table td{padding:8px 10px}
  .section-title{font-size:12px}
  .status-banner{font-size:12.5px;padding:11px 14px}
}
@media(max-width:380px){
  .stats-grid{grid-template-columns:1fr 1fr;gap:6px}
  .stat-card .value{font-size:20px}
  .stat-card .label{font-size:9px}
  .refresh-info{display:none}
}