/* =============================================================================
   ProctorRMM — UI v4 | Geist · Refined Industrial Dark · Mobile-First
   ============================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700&family=Geist+Mono:wght@400;500&display=swap');

:root {
  /* Backgrounds */
  --bg:          #080c14;
  --bg-surface:  #0b1020;
  --bg-card:     #0e1525;
  --bg-elevated: #141c2e;
  --bg-hover:    #192033;
  --bg-input:    #0d1422;

  /* Borders */
  --border:        #1c2640;
  --border-soft:   #141d30;
  --border-bright: #273552;
  --border-focus:  rgba(59,130,246,0.5);

  /* Accent — blue */
  --accent:      #3b82f6;
  --accent-dim:  rgba(59,130,246,0.1);
  --accent-glow: rgba(59,130,246,0.2);
  --accent-hover:#5b97ff;
  --accent-muted:#1e3a5f;

  /* Semantic colors */
  --green:       #22c55e;
  --green-dim:   rgba(34,197,94,0.1);
  --green-muted: #14532d;
  --yellow:      #f59e0b;
  --yellow-dim:  rgba(245,158,11,0.1);
  --red:         #ef4444;
  --red-dim:     rgba(239,68,68,0.1);
  --red-muted:   #450a0a;
  --cyan:        #06b6d4;
  --cyan-dim:    rgba(6,182,212,0.1);
  --purple:      #a855f7;
  --purple-dim:  rgba(168,85,247,0.1);
  --orange:      #f97316;
  --orange-dim:  rgba(249,115,22,0.1);

  /* Text */
  --text-1: #e8edf5;
  --text-2: #6b7a96;
  --text-3: #334060;
  --text-primary: #e8edf5;
  --text-muted:   #6b7a96;

  /* Radii */
  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* Layout */
  --sidebar-w: 232px;
  --topbar-h:  56px;
  --bottom-h:  64px;

  /* Fonts */
  --font:      'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', 'Cascadia Code', 'Menlo', monospace;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.5);
  --shadow-md:   0 4px 20px rgba(0,0,0,0.6);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.7);
  --shadow-glow: 0 0 0 1px var(--accent-glow), 0 4px 24px rgba(59,130,246,0.12);
  --shadow-card: 0 1px 0 rgba(255,255,255,0.03) inset, 0 1px 3px rgba(0,0,0,0.4);
}

/* ── Reset ──────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font);
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(ellipse 90% 50% at 50% -10%, rgba(59,130,246,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 85% 80%, rgba(168,85,247,0.03) 0%, transparent 55%);
}

/* ── Layout ─────────────────────────────────────────────────────────────────── */
.app-layout { display: flex; flex-direction: column; min-height: 100vh; }

@media (min-width: 768px) {
  .app-layout { flex-direction: row; }

  .sidebar {
    width: var(--sidebar-w);
    min-height: 100vh;
    height: 100vh;
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    display: flex !important;
    flex-direction: column;
    position: sticky;
    top: 0;
    overflow-y: auto;
    scrollbar-width: none;
  }
  .sidebar::-webkit-scrollbar { display: none; }

  .topbar     { display: none !important; }
  .bottom-nav { display: none !important; }

  .main-content {
    padding: 1.75rem 2rem 2.5rem;
    max-height: 100vh;
    overflow-y: auto;
  }
}

/* ── Topbar (mobile) ────────────────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  background: rgba(11,16,32,0.9);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 0.75rem;
}
.topbar-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-1);
  letter-spacing: -0.025em;
}
.topbar-spacer { flex: 1; }

/* ── Sidebar ────────────────────────────────────────────────────────────────── */
.sidebar { display: none; }

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 1.125rem 1rem;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, #0e1e42 0%, #071230 100%);
  border: 1px solid rgba(59,130,246,0.35);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 16px rgba(59,130,246,0.18), inset 0 1px 0 rgba(255,255,255,0.06);
}
.sidebar-logo-text {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-1);
  letter-spacing: -0.025em;
}
.sidebar-logo-version {
  font-size: 0.6rem;
  color: var(--text-3);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  margin-left: auto;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.sidebar-nav {
  flex: 1;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-section-label {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 0.875rem 0.625rem 0.25rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.525rem 0.625rem;
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 500;
  transition: background 0.12s, color 0.12s;
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  min-height: 36px;
}
.nav-item:hover { background: var(--bg-elevated); color: var(--text-1); }
.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 2.5px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 8px var(--accent);
}
.nav-item.active .nav-icon { color: var(--accent); }
.nav-item .badge {
  margin-left: auto;
  background: var(--red);
  color: #fff;
  border-radius: 10px;
  padding: 1px 6px;
  font-size: 0.6rem;
  font-weight: 700;
}
.nav-icon { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.9; }
.nav-item.active .nav-icon { opacity: 1; }

.sidebar-footer {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-3);
}
.sidebar-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

/* ── Bottom Nav (mobile) ─────────────────────────────────────────────────────── */
.bottom-nav {
  display: flex;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: rgba(11,16,32,0.95);
  border-top: 1px solid var(--border);
  z-index: 200;
  height: var(--bottom-h);
  padding: 0 0.5rem;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--text-3);
  font-size: 0.58rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.15s;
  position: relative;
  border-radius: var(--radius-sm);
  margin: 6px 3px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  min-height: 44px;
}
.bottom-nav-item.active {
  color: var(--accent);
}
.bottom-nav-item.active::before {
  content: '';
  position: absolute;
  top: 0; left: 25%; right: 25%;
  height: 2px;
  background: var(--accent);
  border-radius: 0 0 3px 3px;
  box-shadow: 0 0 8px var(--accent);
}
.bottom-nav-item:not(.active):hover { color: var(--text-2); }
.bottom-nav-item .badge {
  position: absolute; top: 4px; right: calc(50% - 22px);
  background: var(--red); color: #fff;
  border-radius: 10px; padding: 0 4px;
  font-size: 0.55rem; min-width: 14px; text-align: center;
  font-weight: 700; line-height: 1.6;
}

/* ── Main Content ────────────────────────────────────────────────────────────── */
.main-content {
  flex: 1;
  padding: 1rem;
  padding-bottom: calc(var(--bottom-h) + 0.75rem + env(safe-area-inset-bottom, 0px));
}

/* ── Page Header ─────────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.page-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  line-height: 1.2;
}
.page-subtitle { font-size: 0.78rem; color: var(--text-2); margin-top: 0.2rem; }

/* ── Alert Badge ─────────────────────────────────────────────────────────────── */
.alert-badge {
  background: var(--red);
  color: white;
  border-radius: 10px;
  padding: 1px 7px;
  font-size: 0.66rem;
  font-weight: 700;
}

/* ── Stat Row ────────────────────────────────────────────────────────────────── */
.stat-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.125rem;
}
@media (min-width: 480px) { .stat-row { gap: 0.625rem; } }
@media (min-width: 640px) { .stat-row { grid-template-columns: repeat(4, 1fr); } }

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.875rem;
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow-card);
}
@media (min-width: 640px) { .stat-card { padding: 1rem; } }
.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
}
.stat-card.s-online::after  { background: linear-gradient(90deg, var(--green), transparent); }
.stat-card.s-warning::after { background: linear-gradient(90deg, var(--yellow), transparent); }
.stat-card.s-critical::after{ background: linear-gradient(90deg, var(--red), transparent); }
.stat-card.s-offline::after { background: linear-gradient(90deg, var(--border-bright), transparent); }

.stat-icon {
  width: 34px; height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.stat-card.s-online .stat-icon  { background: var(--green-dim); color: var(--green); }
.stat-card.s-warning .stat-icon { background: var(--yellow-dim); color: var(--yellow); }
.stat-card.s-critical .stat-icon{ background: var(--red-dim); color: var(--red); }
.stat-card.s-offline .stat-icon { background: var(--bg-elevated); color: var(--text-3); }
.stat-body { min-width: 0; }
.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}
.stat-card.s-online  .stat-value { color: var(--green); }
.stat-card.s-warning .stat-value { color: var(--yellow); }
.stat-card.s-critical .stat-value{ color: var(--red); }
.stat-card.s-offline .stat-value { color: var(--text-2); }
.stat-label { font-size: 0.7rem; color: var(--text-2); margin-top: 3px; font-weight: 500; letter-spacing: 0.02em; }

/* ── Server Grid ─────────────────────────────────────────────────────────────── */
.server-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.625rem;
}
@media (min-width: 540px)  { .server-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .server-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1400px) { .server-grid { grid-template-columns: repeat(4, 1fr); } }

/* ── Server Card ─────────────────────────────────────────────────────────────── */
.server-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-card);
}
.server-card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}
.server-card:active { transform: translateY(0); }

/* Status accent line */
.server-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}
.server-card.st-online::before  { background: linear-gradient(90deg, var(--green), transparent 70%); }
.server-card.st-warning::before { background: linear-gradient(90deg, var(--yellow), transparent 70%); }
.server-card.st-critical::before,
.server-card.st-emergency::before { background: linear-gradient(90deg, var(--red), transparent 70%); }
.server-card.st-maintenance::before { background: linear-gradient(90deg, var(--cyan), transparent 70%); }
.server-card.st-offline { opacity: 0.55; }
.server-card.st-offline::before { background: linear-gradient(90deg, var(--border-bright), transparent 70%); }

/* Legacy border-top aliases (keep for backward compat) */
.server-card.st-warning { border-top: 0; }
.server-card.st-critical { border-top: 0; }
.server-card.st-online { border-top: 0; }
.server-card.st-maintenance { border-top: 0; }

.sc-header {
  padding: 0.875rem 1rem 0.625rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-soft);
}
.sc-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.sc-dot.online      { background: var(--green); box-shadow: 0 0 6px var(--green); animation: dot-breathe 3s ease-in-out infinite; }
.sc-dot.offline     { background: var(--text-3); }
.sc-dot.warning     { background: var(--yellow); box-shadow: 0 0 6px var(--yellow); }
.sc-dot.critical    { background: var(--red); box-shadow: 0 0 8px var(--red); animation: sc-pulse 1.2s ease-in-out infinite; }
.sc-dot.emergency   { background: var(--purple); animation: sc-pulse 0.8s ease-in-out infinite; }
.sc-dot.maintenance { background: var(--cyan); }

@keyframes dot-breathe {
  0%, 100% { opacity: 1; box-shadow: 0 0 4px var(--green); }
  50%       { opacity: 0.7; box-shadow: 0 0 10px var(--green); }
}
@keyframes sc-pulse {
  0%, 100% { box-shadow: 0 0 4px currentColor; }
  50%       { box-shadow: 0 0 14px currentColor; opacity: 0.6; }
}

.sc-name { font-weight: 600; font-size: 0.875rem; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; letter-spacing: -0.015em; }
.sc-badge {
  font-size: 0.6rem; padding: 2px 7px; border-radius: 4px;
  font-weight: 700; flex-shrink: 0; letter-spacing: 0.05em; text-transform: uppercase;
}
.sc-badge.online      { background: var(--green-dim); color: var(--green); }
.sc-badge.offline     { background: var(--bg-elevated); color: var(--text-2); }
.sc-badge.warning     { background: var(--yellow-dim); color: var(--yellow); }
.sc-badge.critical    { background: var(--red-dim); color: var(--red); }
.sc-badge.emergency   { background: var(--purple-dim); color: var(--purple); }
.sc-badge.maintenance { background: var(--cyan-dim); color: var(--cyan); }

.sc-meta {
  padding: 0.5rem 1rem 0.25rem;
  font-size: 0.7rem;
  color: var(--text-2);
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
}
.sc-meta span { display: flex; align-items: center; gap: 3px; }

.sc-metrics { padding: 0.5rem 1rem 0.625rem; flex: 1; }

.sc-metric-row {
  display: grid;
  grid-template-columns: 30px 1fr 38px;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.375rem;
}
.sc-metric-row:last-child { margin-bottom: 0; }
.sc-metric-label { font-size: 0.66rem; color: var(--text-2); font-weight: 500; letter-spacing: 0.04em; }
.sc-bar {
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px;
  overflow: hidden;
}
.sc-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.sc-bar-fill.ok   { background: linear-gradient(90deg, var(--green), #4ade80); }
.sc-bar-fill.warn { background: linear-gradient(90deg, var(--yellow), #fbbf24); }
.sc-bar-fill.crit { background: linear-gradient(90deg, var(--red), #f87171); }
.sc-metric-val { font-size: 0.7rem; text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; font-family: var(--font-mono); }

.sc-stats {
  padding: 0.5rem 1rem 0.625rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.25rem;
  border-top: 1px solid var(--border-soft);
}
.sc-stat { text-align: center; }
.sc-stat-val { font-size: 0.76rem; font-weight: 600; font-variant-numeric: tabular-nums; font-family: var(--font-mono); }
.sc-stat-lbl { font-size: 0.58rem; color: var(--text-2); letter-spacing: 0.04em; }

.sc-footer {
  padding: 0.5rem 1rem;
  border-top: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  background: rgba(0,0,0,0.12);
}
.sc-alerts { font-size: 0.7rem; }
.sc-alerts.has-alerts { color: var(--red); font-weight: 600; }
.sc-alerts.ok { color: var(--text-3); }
.sc-actions { display: flex; gap: 0.25rem; }

/* ── Ping indicator ─────────────────────────────────────────────────────────── */
.ping-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.64rem;
  font-family: var(--font-mono);
  font-weight: 500;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--bg-elevated);
  color: var(--text-2);
}
.ping-badge.good { color: var(--green); }
.ping-badge.slow { color: var(--yellow); }
.ping-badge.bad  { color: var(--red); }

/* ── Overview Stats ──────────────────────────────────────────────────────────── */
.overview-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}
@media (min-width: 480px) { .overview-stat-grid { gap: 0.625rem; } }
@media (min-width: 540px) { .overview-stat-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 800px) { .overview-stat-grid { grid-template-columns: repeat(4, 1fr); } }

.ov-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 0.875rem;
  transition: border-color 0.15s;
  box-shadow: var(--shadow-card);
}
@media (min-width: 640px) { .ov-stat { padding: 0.875rem 1rem; } }
.ov-stat:hover { border-color: var(--border-bright); }
.ov-stat-val { font-size: 1.4rem; font-weight: 700; line-height: 1.1; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.ov-stat-lbl { font-size: 0.66rem; color: var(--text-2); margin-top: 3px; font-weight: 500; letter-spacing: 0.03em; }
.ov-stat.c-green  .ov-stat-val { color: var(--green); }
.ov-stat.c-yellow .ov-stat-val { color: var(--yellow); }
.ov-stat.c-red    .ov-stat-val { color: var(--red); }
.ov-stat.c-blue   .ov-stat-val { color: var(--accent); }
.ov-stat.c-cyan   .ov-stat-val { color: var(--cyan); }
.ov-stat.c-purple .ov-stat-val { color: var(--purple); }
.ov-stat.c-muted  .ov-stat-val { color: var(--text-1); }

/* ── Cards ───────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow-card);
}
@media (min-width: 640px) { .card { padding: 1.125rem; } }
.card-title {
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.card + .card { margin-top: 0.75rem; }

/* ── Progress ────────────────────────────────────────────────────────────────── */
.prog { margin-bottom: 0.75rem; }
.prog:last-child { margin-bottom: 0; }
.prog-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  margin-bottom: 5px;
  color: var(--text-1);
}
.prog-header .lbl { color: var(--text-2); }
.prog-track { height: 5px; background: var(--bg-elevated); border-radius: 3px; overflow: hidden; }
.prog-fill { height: 100%; border-radius: 3px; transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.prog-fill.ok   { background: linear-gradient(90deg, var(--green), #4ade80); }
.prog-fill.warn { background: linear-gradient(90deg, var(--yellow), #fbbf24); }
.prog-fill.crit { background: linear-gradient(90deg, var(--red), #f87171); }

/* ── Info Grid ───────────────────────────────────────────────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.625rem;
  margin-bottom: 0.75rem;
}
@media (min-width: 580px) { .info-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .info-grid.cols-3 { grid-template-columns: repeat(3, 1fr); } }

/* ── KV table ────────────────────────────────────────────────────────────────── */
.kv-table { width: 100%; font-size: 0.8rem; border-collapse: collapse; }
.kv-table td { padding: 5px 0; vertical-align: top; }
.kv-table td:first-child { color: var(--text-2); width: 40%; padding-right: 0.875rem; white-space: nowrap; font-size: 0.73rem; }
.kv-table td:last-child { color: var(--text-1); font-weight: 500; word-break: break-all; font-family: var(--font-mono); font-size: 0.77rem; }

/* ── Filter Bar ──────────────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 0.375rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  align-items: center;
}
.filter-bar input[type="text"] { width: auto; flex: 1; min-width: 140px; max-width: 260px; }

/* ── Tables ──────────────────────────────────────────────────────────────────── */
.table-wrap, .table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
th {
  padding: 0.5rem 0.875rem;
  text-align: left;
  font-size: 0.63rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  background: var(--bg-surface);
}
td { padding: 0.625rem 0.875rem; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-elevated); }
tbody tr { transition: background 0.1s; }

/* ── Tabs ────────────────────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.125rem;
  overflow-x: auto;
  scrollbar-width: none;
  gap: 0;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  padding: 0.5rem 0.875rem;
  color: var(--text-2);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color 0.15s;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  min-height: 40px;
}
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab:hover:not(.active) { color: var(--text-1); }

/* ── Badges ──────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-info     { background: var(--accent-dim); color: var(--accent); }
.badge-warning  { background: var(--yellow-dim); color: var(--yellow); }
.badge-critical { background: var(--red-dim); color: var(--red); }
.badge-emergency{ background: var(--purple-dim); color: var(--purple); }
.badge-success  { background: var(--green-dim); color: var(--green); }
.badge-ok       { background: var(--green-dim); color: var(--green); }
.badge-secondary{ background: var(--bg-elevated); color: var(--text-2); }
.text-ok   { color: var(--green) !important; }
.text-warn { color: var(--yellow) !important; }
.text-crit { color: var(--red) !important; }

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.475rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  font-family: var(--font);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.12s, opacity 0.12s, box-shadow 0.12s, transform 0.1s, border-color 0.12s;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
  letter-spacing: 0.005em;
  min-height: 34px;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; pointer-events: none; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 4px rgba(59,130,246,0.35), inset 0 1px 0 rgba(255,255,255,0.12);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 2px 12px rgba(59,130,246,0.45), inset 0 1px 0 rgba(255,255,255,0.12);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-1);
  border-color: var(--border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--border-bright);
}

.btn-danger {
  background: var(--red-dim);
  color: var(--red);
  border-color: rgba(239,68,68,0.2);
}
.btn-danger:hover:not(:disabled) { background: rgba(239,68,68,0.18); border-color: rgba(239,68,68,0.35); }

.btn-ghost { background: transparent; color: var(--text-2); border-color: transparent; }
.btn-ghost:hover:not(:disabled) { background: var(--bg-elevated); color: var(--text-1); }

.btn-success {
  background: var(--green-dim);
  color: var(--green);
  border-color: rgba(34,197,94,0.2);
}
.btn-success:hover:not(:disabled) { background: rgba(34,197,94,0.18); border-color: rgba(34,197,94,0.35); }

.btn-warning {
  background: var(--yellow-dim);
  color: var(--yellow);
  border-color: rgba(245,158,11,0.2);
}
.btn-warning:hover:not(:disabled) { background: rgba(245,158,11,0.18); border-color: rgba(245,158,11,0.35); }

.btn-sm  { padding: 0.3rem 0.625rem; font-size: 0.77rem; min-height: 28px; }
.btn-xs  { padding: 0.15rem 0.475rem; font-size: 0.7rem; min-height: 24px; }
.btn-block { width: 100%; }
.btn-icon  { padding: 0.375rem; min-height: 0; }

/* ── Forms ───────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 0.875rem; }
label {
  display: block;
  font-size: 0.77rem;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 0.3rem;
  letter-spacing: 0.01em;
}
input[type="text"], input[type="password"], input[type="email"],
input[type="number"], select, textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  padding: 0.575rem 0.75rem;
  font-size: 0.875rem;
  font-family: var(--font);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  min-height: 40px;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
input::placeholder { color: var(--text-3); }
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%234a5568' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 18px;
  padding-right: 2rem;
}
textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 540px) { .form-row { grid-template-columns: 1fr; } }

/* ── Modal ───────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(4,8,16,0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  animation: overlay-in 0.2s ease;
}
@media (min-width: 640px) {
  .modal-overlay {
    align-items: center;
    padding: 1rem;
  }
}
@keyframes overlay-in { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  width: 100%;
  max-width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: 0 -8px 40px rgba(0,0,0,0.7), 0 0 0 1px rgba(59,130,246,0.08);
  animation: modal-in-mobile 0.25s cubic-bezier(0.34, 1.1, 0.64, 1);
}
@media (min-width: 640px) {
  .modal {
    border-radius: var(--radius-xl);
    max-width: 540px;
    animation: modal-in 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
}
@keyframes modal-in-mobile {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
@keyframes modal-in {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to   { opacity: 1; transform: none; }
}

.modal-header {
  padding: 1rem 1.125rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title { font-weight: 600; font-size: 0.95rem; letter-spacing: -0.01em; }
.modal-body { padding: 1.125rem; }
.modal-footer {
  padding: 0.75rem 1.125rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ── Toast ───────────────────────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: calc(var(--bottom-h) + 0.75rem + env(safe-area-inset-bottom, 0px));
  right: 1rem;
  left: 1rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
  align-items: flex-end;
}
@media (min-width: 768px) {
  .toast-container {
    bottom: 1.5rem;
    left: auto;
  }
}

.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  font-size: 0.82rem;
  box-shadow: var(--shadow-lg);
  animation: toast-in 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: min(320px, calc(100vw - 2rem));
  pointer-events: auto;
  width: auto;
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--red); }
.toast.warning { border-left: 3px solid var(--yellow); }
@keyframes toast-in {
  from { transform: translateX(20px) scale(0.95); opacity: 0; }
  to   { transform: translateX(0) scale(1);       opacity: 1; }
}

/* ── Skeleton ────────────────────────────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg,
    var(--bg-elevated) 25%,
    var(--border) 50%,
    var(--bg-elevated) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.8s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Code / Terminal ─────────────────────────────────────────────────────────── */
.code-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.77rem;
  line-height: 1.65;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  white-space: pre;
  color: #8898b4;
  max-height: 420px;
  overflow-y: auto;
}
.terminal-container {
  background: #050810;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}
.terminal-toolbar {
  background: var(--bg-surface);
  padding: 0.45rem 0.875rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ── Toggle ──────────────────────────────────────────────────────────────────── */
.toggle { position: relative; display: inline-block; width: 36px; height: 20px; }
.toggle input { display: none; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--border-bright);
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  left: 3px; bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.toggle input:checked + .toggle-slider { background: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(16px); }

/* ── Empty State ─────────────────────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-2); }
.empty-state svg { margin: 0 auto 1rem; display: block; opacity: 0.2; }
.empty-state h3 { font-size: 0.95rem; margin-bottom: 0.375rem; color: var(--text-1); font-weight: 600; }
.empty-state p  { font-size: 0.82rem; color: var(--text-2); }

/* ── Utilities ───────────────────────────────────────────────────────────────── */
.text-muted   { color: var(--text-2); }
.text-dim     { color: var(--text-3); }
.text-sm      { font-size: 0.8rem; }
.text-xs      { font-size: 0.72rem; }
.text-green   { color: var(--green); }
.text-yellow  { color: var(--yellow); }
.text-red     { color: var(--red); }
.text-cyan    { color: var(--cyan); }
.text-accent  { color: var(--accent); }
.text-right   { text-align: right; }
.font-mono    { font-family: var(--font-mono); }
.font-bold    { font-weight: 700; }
.flex         { display: flex; }
.flex-1       { flex: 1; }
.items-center { align-items: center; }
.gap-1        { gap: 0.25rem; }
.gap-2        { gap: 0.5rem; }
.gap-3        { gap: 0.75rem; }
.mb-1         { margin-bottom: 0.25rem; }
.mb-2         { margin-bottom: 0.5rem; }
.mb-3         { margin-bottom: 0.75rem; }
.mb-4         { margin-bottom: 1rem; }
.mt-1         { margin-top: 0.25rem; }
.mt-2         { margin-top: 0.5rem; }
.mt-4         { margin-top: 1rem; }
.p-0          { padding: 0; }
.divider      { height: 1px; background: var(--border); margin: 0.875rem 0; }

/* ── Network I/O chips ───────────────────────────────────────────────────────── */
.io-chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}
.io-chip.up   { color: var(--accent); }
.io-chip.down { color: var(--green); }

/* ── Tag pills ───────────────────────────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.63rem;
  font-weight: 500;
  background: var(--bg-elevated);
  color: var(--text-2);
  border: 1px solid var(--border);
  letter-spacing: 0.03em;
}

/* ── Status dot ──────────────────────────────────────────────────────────────── */
.status-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; display: inline-block; }
.status-dot.online      { background: var(--green); box-shadow: 0 0 6px var(--green); }
.status-dot.offline     { background: var(--text-3); }
.status-dot.warning     { background: var(--yellow); }
.status-dot.critical    { background: var(--red); animation: sc-pulse 1.2s infinite; }
.status-dot.maintenance { background: var(--cyan); }

/* ── Server status badge ─────────────────────────────────────────────────────── */
.server-status-badge { font-size: 0.63rem; padding: 2px 7px; border-radius: 4px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.server-status-badge.online      { background: var(--green-dim); color: var(--green); }
.server-status-badge.offline     { background: var(--bg-elevated); color: var(--text-2); }
.server-status-badge.warning     { background: var(--yellow-dim); color: var(--yellow); }
.server-status-badge.critical    { background: var(--red-dim); color: var(--red); }
.server-status-badge.maintenance { background: var(--cyan-dim); color: var(--cyan); }

/* ── Scrollbar ───────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ── Metric bar (detail page) ────────────────────────────────────────────────── */
.metric-row   { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.375rem; font-size: 0.8rem; }
.metric-label { color: var(--text-2); width: 36px; flex-shrink: 0; font-size: 0.7rem; }
.metric-bar   { flex: 1; height: 5px; background: var(--bg-elevated); border-radius: 3px; overflow: hidden; }
.metric-fill  { height: 100%; border-radius: 3px; transition: width 0.4s; }
.metric-fill.ok   { background: linear-gradient(90deg, var(--green), #4ade80); }
.metric-fill.warn { background: linear-gradient(90deg, var(--yellow), #fbbf24); }
.metric-fill.crit { background: linear-gradient(90deg, var(--red), #f87171); }
.metric-value { width: 42px; text-align: right; flex-shrink: 0; font-variant-numeric: tabular-nums; font-size: 0.75rem; font-weight: 600; font-family: var(--font-mono); }

/* ── Summary/legacy compat ───────────────────────────────────────────────────── */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.125rem;
}
@media (min-width: 640px) { .summary-grid { grid-template-columns: repeat(4, 1fr); gap: 0.625rem; } }
.summary-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.75rem; box-shadow: var(--shadow-card); }
@media (min-width: 640px) { .summary-card { padding: 0.875rem 1rem; } }
.summary-card .value { font-size: 1.55rem; font-weight: 700; line-height: 1; margin-bottom: 2px; letter-spacing: -0.03em; }
.summary-card .label { font-size: 0.68rem; color: var(--text-2); font-weight: 500; }
.summary-card.online   .value { color: var(--green); }
.summary-card.warning  .value { color: var(--yellow); }
.summary-card.critical .value { color: var(--red); }
.summary-card.offline  .value { color: var(--text-2); }

.progress-container { margin-bottom: 0.75rem; }
.progress-container:last-child { margin-bottom: 0; }
.progress-header { display: flex; justify-content: space-between; margin-bottom: 4px; font-size: 0.8rem; color: var(--text-2); }
.progress-bar  { height: 5px; background: var(--bg-elevated); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; transition: width 0.4s; }

/* ── Power action buttons ────────────────────────────────────────────────────── */
.power-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}
@media (max-width: 400px) { .power-actions { grid-template-columns: 1fr; } }

.power-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
  padding: 0.875rem 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
  color: var(--text-2);
  font-size: 0.77rem;
  font-weight: 500;
  min-height: 70px;
}
.power-btn:hover { border-color: var(--border-bright); color: var(--text-1); background: var(--bg-hover); }
.power-btn:active { transform: scale(0.97); }
.power-btn.danger:hover { border-color: rgba(239,68,68,0.4); color: var(--red); background: var(--red-dim); }
.power-btn.warning:hover { border-color: rgba(245,158,11,0.4); color: var(--yellow); background: var(--yellow-dim); }
.power-btn svg { opacity: 0.65; transition: opacity 0.15s; }
.power-btn:hover svg { opacity: 1; }

/* ── Installer output ────────────────────────────────────────────────────────── */
.installer-cmd {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  white-space: nowrap;
  user-select: all;
  cursor: text;
}

/* ── Alert level bar ─────────────────────────────────────────────────────────── */
.alert-counts { font-size: 0.72rem; }
.alert-count-warn { color: var(--yellow); }
.alert-count-crit { color: var(--red); font-weight: 600; }

/* ── Chart containers ────────────────────────────────────────────────────────── */
.chart-wrap {
  position: relative;
  width: 100%;
  min-height: 160px;
}

/* ── Section divider ─────────────────────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  gap: 0.5rem;
}
.section-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── Responsive table helpers ────────────────────────────────────────────────── */
@media (max-width: 600px) {
  /* Make tables more mobile-friendly */
  .table-wrap table { font-size: 0.78rem; }
  .table-wrap th, .table-wrap td { padding: 0.5rem 0.625rem; }
  /* Hide less important columns */
  .hide-mobile { display: none !important; }
}

/* ── Focus visible ───────────────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ── Smooth page transitions ─────────────────────────────────────────────────── */
#main-content {
  animation: page-fade 0.15s ease;
}
@keyframes page-fade {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}