:root { --bg1:#0d1117; --bg2:#161b22; --card:#1c2128; --accent:#00d4ff; --accent2:#33ddff; --danger:#ff4d4d; --warn:#ffca28; --ok:#00d4ff; font-family:'Segoe UI',Arial,sans-serif; }
*{ box-sizing:border-box; }
* { box-sizing: border-box; margin: 0; padding: 0; }

/* Authentication Styles */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0d1117 0%, #161b22 100%);
  padding: 20px;
}

.auth-card {
  background: #1c2128;
  border: 1px solid #30363d;
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
}

.auth-header {
  text-align: center;
  margin-bottom: 30px;
}

.auth-header h1 {
  font-size: 2.5rem;
  font-weight: 600;
  color: #58a6ff;
  margin-bottom: 8px;
}

.auth-header p {
  color: #8b949e;
  font-size: 0.9rem;
}

.auth-form {
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  color: #c9d1d9;
  font-weight: 500;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: #0d1117;
  border: 1px solid #30363d;
  border-radius: 8px;
  color: #c9d1d9;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.form-group input:focus {
  outline: none;
  border-color: #58a6ff;
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

.auth-btn {
  width: 100%;
  background: linear-gradient(135deg, #238636 0%, #2ea043 100%);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.auth-btn:hover {
  background: linear-gradient(135deg, #2ea043 0%, #238636 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(46, 160, 67, 0.3);
}

.auth-error {
  background: #ffeef0;
  border: 1px solid #ff8182;
  color: #d1242f;
  padding: 8px 12px;
  border-radius: 6px;
  margin-top: 12px;
  font-size: 0.875rem;
}

.auth-footer {
  text-align: center;
  color: #6e7681;
  font-size: 0.8rem;
}

.auth-footer p {
  margin: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #0d1117;
  color: #c9d1d9;
  min-height: 100vh;
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 12px;
  padding: 20px 30px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
}

h1 {
  font-size: 2.2rem;
  font-weight: 600;
  color: #f0f6fc;
  margin: 0;
}

.header-actions {
  display: flex;
  gap: 15px;
  align-items: center;
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  transition: border-color 0.2s ease;
}

.stat-card:hover {
  border-color: #58a6ff;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 600;
  color: #58a6ff;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.75rem;
  color: #8b949e;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

button {
  background: #21262d;
  color: #c9d1d9;
  border: 1px solid #30363d;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.875rem;
  transition: all 0.2s ease;
  text-transform: none;
  letter-spacing: normal;
}

button:hover {
  background: #30363d;
  border-color: #58a6ff;
}

button:active {
  background: #282e33;
}

button.danger {
  background: #da3633;
  border-color: #da3633;
  color: #fff;
}

button.danger:hover {
  background: #f85149;
  border-color: #f85149;
}

button.success {
  background: #00d4ff;
  border-color: #00d4ff;
  color: #0d1117;
}

button.success:hover {
  background: #33ddff;
  border-color: #33ddff;
}

button.secondary {
  background: #6e7681;
  border-color: #6e7681;
  color: #fff;
}

button.secondary:hover {
  background: #8b949e;
  border-color: #8b949e;
}

#cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  max-height: 70vh;
  overflow-y: auto;
  padding-right: 8px;
}

#cards::-webkit-scrollbar {
  width: 8px;
}

#cards::-webkit-scrollbar-track {
  background: #161b22;
  border-radius: 4px;
}

#cards::-webkit-scrollbar-thumb {
  background: #30363d;
  border-radius: 4px;
}

#cards::-webkit-scrollbar-thumb:hover {
  background: #484f58;
}

.card {
  background: #1c2128;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 16px;
  transition: all 0.2s ease;
  position: relative;
}

.card:hover {
  border-color: #58a6ff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 8px 8px 0 0;
}

.card.up {
  border-color: #00d4ff;
}

.card.up::before {
  background: #00d4ff;
}

.card.down {
  border-color: #da3633;
}

.card.down::before {
  background: #da3633;
}

.card.unknown {
  border-color: #d29922;
}

.card.unknown::before {
  background: #d29922;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: #f0f6fc;
}

.card .host-info {
  font-size: 0.8rem;
  color: #8b949e;
  margin-bottom: 12px;
  font-family: 'SFMono-Regular', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 12px;
  font-weight: 500;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.status-badge.up {
  background: rgba(0, 212, 255, 0.15);
  color: #00d4ff;
  border: 1px solid rgba(0, 212, 255, 0.4);
}

.status-badge.down {
  background: rgba(218, 54, 51, 0.15);
  color: #f85149;
  border: 1px solid rgba(218, 54, 51, 0.4);
}

.status-badge.unknown {
  background: rgba(210, 153, 34, 0.15);
  color: #f2cc60;
  border: 1px solid rgba(210, 153, 34, 0.4);
}

.status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}

.metric {
  text-align: center;
  padding: 8px;
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 6px;
}

.metric-value {
  font-size: 1rem;
  font-weight: 600;
  color: #58a6ff;
  margin-bottom: 2px;
}

.metric-label {
  font-size: 0.7rem;
  color: #8b949e;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.error-text {
  color: #f85149;
  font-size: 0.75rem;
  margin-top: 8px;
  padding: 6px 8px;
  background: rgba(218, 54, 51, 0.1);
  border-radius: 4px;
  border-left: 2px solid #da3633;
}

.timestamp {
  font-size: 0.8rem;
  color: #8b949e;
  margin-bottom: 5px;
  font-weight: 500;
  line-height: 1.3;
}

.card footer {
  display: flex;
  gap: 6px;
  margin-top: 12px;
}

.card footer button {
  flex: 1;
  padding: 6px 8px;
  font-size: 0.7rem;
  border-radius: 4px;
}

dialog {
  background: #0d1117;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
  color: #c9d1d9;
  min-width: 400px;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.8);
}

dialog h3 {
  color: #f0f6fc;
  margin-bottom: 20px;
  font-size: 1.25rem;
  font-weight: 600;
}

form label {
  display: block;
  margin-bottom: 12px;
  color: #f0f6fc;
  font-weight: 500;
  font-size: 0.875rem;
}

form input, form select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #30363d;
  border-radius: 6px;
  margin-top: 4px;
  font-size: 0.875rem;
  transition: border-color 0.2s ease;
  background: #0d1117;
  color: #c9d1d9;
}

form input:focus, form select:focus {
  outline: none;
  border-color: #58a6ff;
  box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.3);
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.row input[type="checkbox"] {
  width: auto;
}

menu {
  display: flex;
  gap: 15px;
  margin-top: 25px;
  justify-content: flex-end;
}

@media (max-width: 1200px) {
  #cards {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .container {
    padding: 12px;
  }
  
  header {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  
  .header-actions {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  #cards {
    grid-template-columns: 1fr;
    max-height: 60vh;
  }
  
  .metrics {
    grid-template-columns: 1fr;
  }
  
  .card footer {
    flex-direction: column;
    gap: 8px;
  }
  
  .card footer button {
    padding: 8px 12px;
    font-size: 0.8rem;
  }
}

/* Loading states */
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Focus styles for accessibility */
button:focus-visible {
  outline: 2px solid #58a6ff;
  outline-offset: 2px;
}

/* Animation for new cards */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  animation: slideIn 0.3s ease-out;
}

/* Status indicators with better visibility */
.card.checking {
  border-color: #f2cc60;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    border-color: #f2cc60;
  }
  50% {
    border-color: rgba(242, 204, 96, 0.5);
  }
  100% {
    border-color: #f2cc60;
  }
}

@media (max-width: 1200px) {
  #cards {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .container {
    padding: 12px;
  }
  
  header {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  
  .header-actions {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  #cards {
    grid-template-columns: 1fr;
    max-height: 60vh;
  }
  
  .metrics {
    grid-template-columns: 1fr;
  }
  
  .card footer {
    flex-direction: column;
    gap: 8px;
  }
  
  .card footer button {
    padding: 8px 12px;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .stats-bar {
    grid-template-columns: 1fr;
  }
  
  .card {
    padding: 12px;
  }
}
header { display:flex; justify-content:space-between; gap:1rem; align-items:center; padding:1rem 2rem; background:rgba(0,0,0,.25); backdrop-filter:blur(6px); position:sticky; top:0; }
h1{ font-size:1.2rem; margin:0; letter-spacing:1px; }
button { background:linear-gradient(90deg,#00d4ff,#33ddff); border:none; padding:.55rem 1.1rem; color:#0d1117; font-weight:600; border-radius:4px; cursor:pointer; }
button:hover { filter:brightness(1.1); }
#cards { padding:2rem; display:grid; gap:1.5rem; grid-template-columns:repeat(auto-fill,minmax(250px,1fr)); }
.card { background:#1c2128; border:1px solid rgba(255,255,255,0.06); border-top:3px solid #00d4ff; padding:1rem 1rem .75rem; border-radius:8px; position:relative; display:flex; flex-direction:column; gap:.5rem; box-shadow:0 6px 18px -8px rgba(0,0,0,.7); transition:transform .2s, box-shadow .2s; }
.card.up { border-top-color:#00d4ff; }
.card.down { border-top-color:var(--danger); }
.card.unknown { border-top-color:var(--warn); }
.card:hover { transform:translateY(-4px); box-shadow:0 10px 24px -10px rgba(0,0,0,.85); }
.status { font-size:.75rem; display:inline-block; padding:.25rem .5rem; border-radius:12px; background:#093845; }
.status.up { background:#00d4ff; color:#0d1117; }
.status.down { background:var(--danger); color:#fff; }
.status.unknown { background:var(--warn); color:#402c00; }
small { opacity:.75; }
.card footer { margin-top:auto; display:flex; gap:.5rem; }
.card footer button { flex:1; padding:.4rem; font-size:.7rem; background:#161b22; color:#c9d1d9; border:1px solid #30363d; border-radius:4px; }
.card footer button:hover { background:#21262d; }
dialog { border:none; padding:1rem 1.2rem; background:#1c2128; color:#c9d1d9; border-radius:8px; width:320px; }
dialog::backdrop { background:rgba(0,0,0,.6); backdrop-filter:blur(2px); }
label { display:flex; flex-direction:column; font-size:.7rem; gap:.2rem; margin-bottom:.6rem; letter-spacing:.5px; }
label.row { flex-direction:row; align-items:center; justify-content:space-between; }
input, select { background:#161b22; border:1px solid #30363d; padding:.45rem .6rem; color:#c9d1d9; border-radius:4px; }
menu { display:flex; justify-content:flex-end; gap:.5rem; margin:0; }
menu button { font-size:.75rem; }

/* === Modern redesign overrides === */
/* Token fallback if earlier block missing */
:root { --color-bg:var(--color-bg,#0d1117); }

/* Utility Bar */
#utilityBar { display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap; margin:0 0 14px; }
#utilityBar .filters { display:flex; gap:.6rem; flex-wrap:wrap; align-items:center; }
#utilityBar input[type=search]{background:#161b22; border:1px solid #30363d; padding:.55rem .7rem; border-radius:6px; color:#c9d1d9; width:210px; }
#utilityBar input[type=search]:focus{outline:none; border-color:#00b5e6; box-shadow:0 0 0 2px rgba(0,181,230,.25);} 
.filter-buttons{display:flex; gap:.35rem; }
.filter-buttons .filt{padding:.42rem .7rem; font-size:.65rem; letter-spacing:.5px; background:#161b22; border:1px solid #30363d; color:#9aa3ad; border-radius:6px; cursor:pointer; }
.filter-buttons .filt.active{background:#00b5e6; color:#06252c; border-color:#00b5e6; }
.view-prefs .toggle{font-size:.65rem; display:flex; align-items:center; gap:.35rem; color:#9aa3ad; }

/* Cards grid refined */
#cards { grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:18px; padding:6px 4px 30px 0; }

/* New card styling */
.card { background:#1f252d; border:1px solid #262c33; border-radius:10px; padding:14px 14px 10px; gap:.55rem; }
.card:hover { background:#232a33; border-color:#2f3841; }
.card.up { border-color:#16c172; }
.card.down { border-color:#ef4444; }
.card.unknown { border-color:#a855f7; }
.card.checking { border-color:#f2c94c; }

.card h3 { font-size:.95rem; margin:0 0 2px; font-weight:600; }
.host-info { font-size:.65rem; opacity:.7; margin-top:-4px; }

.status-badge { padding:3px 8px; font-size:.55rem; border-radius:30px; font-weight:600; letter-spacing:.5px; }
.status-badge.up { background:rgba(22,193,114,.12); color:#16c172; border:1px solid rgba(22,193,114,.4); }
.status-badge.down { background:rgba(239,68,68,.12); color:#ef4444; border:1px solid rgba(239,68,68,.4); }
.status-badge.unknown { background:rgba(168,85,247,.12); color:#a855f7; border:1px solid rgba(168,85,247,.4); }

/* Metrics row */
.metrics { display:flex; gap:6px; margin:4px 0 4px; }
.metric { flex:1; background:#161b22; border:1px solid #30363d; padding:6px 6px 4px; border-radius:6px; position:relative; }
.metric-value { font-size:.85rem; }
.metric.latency.ok .metric-value { color:#16c172; }
.metric.latency.warn .metric-value { color:#f59e0b; }
.metric.latency.critical .metric-value { color:#dc2626; }
.metric-label { font-size:.55rem; letter-spacing:.5px; }
.metric .sparkline { position:absolute; left:4px; right:4px; bottom:3px; height:14px; }

.timestamp { font-size:.8rem; opacity:.8; font-weight:500; color:#8b949e; }
.card footer { margin-top:4px; }
.card footer button { font-size:.6rem; padding:.38rem .45rem; }

/* Compact mode */
body.compact #cards { grid-template-columns:repeat(auto-fill,minmax(230px,1fr)); }
body.compact .card { padding:10px 10px 8px; }
body.compact .metric { padding:4px; }
body.compact .metric-value { font-size:.75rem; }
body.compact .timestamp { font-size:.75rem; }
body.compact .card footer button { font-size:.55rem; }

/* Update pulse */
.card.updated { animation:pulseUpdate 800ms ease; }
@keyframes pulseUpdate { 0%{box-shadow:0 0 0 0 rgba(0,181,230,0);} 40%{box-shadow:0 0 0 4px rgba(0,181,230,.25);} 100%{box-shadow:0 0 0 0 rgba(0,181,230,0);} }