/* ── KRAYZE Platform Portal — Dark Theme ────────────────────────────── */
:root {
  --bg-primary:    #0a0e1a;
  --bg-surface:    #0f1629;
  --bg-card:       #141c2e;
  --bg-hover:      #1a2540;
  --border-color:  #1e2d4a;
  --accent-blue:   #3b82f6;
  --accent-violet: #8b5cf6;
  --status-online:  #10b981;
  --status-warning: #f59e0b;
  --status-offline: #ef4444;
  --status-unknown: #64748b;
  --text-primary:   #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;
  --sidebar-width:  240px;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 14px;
}

/* ── Layout ─────────────────────────────────────────────────────────── */
#app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 100;
  transition: transform .25s ease;
}

.sidebar-brand {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: .75rem;
}

.sidebar-logo {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: #fff; flex-shrink: 0;
}

.sidebar-title { font-size: .9rem; font-weight: 700; color: var(--text-primary); }
.sidebar-sub   { font-size: .7rem; color: var(--text-muted); }

.sidebar-section {
  padding: .75rem 1rem .25rem;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: .5rem 1rem;
  border-radius: 8px;
  margin: .1rem .5rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: background .15s, color .15s;
  font-weight: 500;
  font-size: .85rem;
}

.nav-link i { font-size: 1rem; flex-shrink: 0; }

.nav-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-link.active {
  background: rgba(59,130,246,.15);
  color: var(--accent-blue);
}

.sidebar-footer {
  margin-top: auto;
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  font-size: .75rem;
  color: var(--text-muted);
}

/* ── Main area ───────────────────────────────────────────────────────── */
#main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── Topbar ──────────────────────────────────────────────────────────── */
#topbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: .75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

#topbar .topbar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

#search-input {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  padding: .4rem .75rem .4rem 2rem;
  width: 220px;
  font-size: .8rem;
  transition: border-color .15s;
}

#search-input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.search-wrap { position: relative; }
.search-wrap i {
  position: absolute; left: .6rem; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted); font-size: .85rem;
  pointer-events: none;
}

.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: .75rem; }

.btn-discovery {
  background: rgba(59,130,246,.15);
  border: 1px solid rgba(59,130,246,.3);
  color: var(--accent-blue);
  border-radius: 8px;
  padding: .35rem .85rem;
  font-size: .8rem;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s;
  display: flex; align-items: center; gap: .4rem;
}
.btn-discovery:hover { background: rgba(59,130,246,.25); }

#logout-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 8px;
  padding: .35rem .75rem;
  font-size: .8rem;
  cursor: pointer;
  transition: all .15s;
}
#logout-btn:hover { border-color: var(--status-offline); color: var(--status-offline); }

/* ── Content ─────────────────────────────────────────────────────────── */
#main-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
}

/* ── Cards ───────────────────────────────────────────────────────────── */
.portal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
}

/* ── Stat cards ──────────────────────────────────────────────────────── */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stat-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.stat-label  { font-size: .72rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.stat-value  { font-size: 1.6rem; font-weight: 700; color: var(--text-primary); line-height: 1; }
.stat-sub    { font-size: .72rem; color: var(--text-secondary); margin-top: .1rem; }

/* ── Service cards ───────────────────────────────────────────────────── */
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  transition: border-color .15s, transform .15s;
  height: 100%;
}
.service-card:hover {
  border-color: rgba(59,130,246,.4);
  transform: translateY(-1px);
}

.svc-header { display: flex; align-items: center; gap: .75rem; }
.svc-icon   {
  width: 40px; height: 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.svc-name   { font-weight: 600; font-size: .9rem; color: var(--text-primary); }
.svc-cat    { font-size: .7rem; color: var(--text-muted); }
.svc-desc   { font-size: .78rem; color: var(--text-secondary); flex: 1; }

.svc-meta {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: .625rem;
  margin-top: auto;
}

.svc-actions { display: flex; gap: .4rem; margin-top: .25rem; }

.btn-open {
  background: var(--accent-blue);
  color: #fff;
  border: none;
  border-radius: 7px;
  padding: .3rem .75rem;
  font-size: .75rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: .3rem;
  transition: opacity .15s;
}
.btn-open:hover { opacity: .85; color: #fff; }
.btn-open.disabled { background: var(--bg-surface); color: var(--text-muted); cursor: default; }

/* ── Status badges ───────────────────────────────────────────────────── */
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}
.status-dot.online  { background: var(--status-online);  box-shadow: 0 0 6px var(--status-online); }
.status-dot.offline { background: var(--status-offline); }
.status-dot.warning { background: var(--status-warning); }
.status-dot.unknown { background: var(--status-unknown); }

.badge-status {
  font-size: .68rem;
  font-weight: 600;
  padding: .15rem .5rem;
  border-radius: 99px;
  display: inline-flex; align-items: center; gap: .3rem;
}
.badge-status.online  { background: rgba(16,185,129,.15); color: var(--status-online); }
.badge-status.offline { background: rgba(239,68, 68,.15);  color: var(--status-offline); }
.badge-status.warning { background: rgba(245,158,11,.15); color: var(--status-warning); }
.badge-status.unknown { background: rgba(100,116,139,.15); color: var(--status-unknown); }

/* ── Tables ──────────────────────────────────────────────────────────── */
.portal-table {
  width: 100%;
  border-collapse: collapse;
}
.portal-table th {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  padding: .6rem 1rem;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
  white-space: nowrap;
}
.portal-table td {
  padding: .65rem 1rem;
  border-bottom: 1px solid rgba(30,45,74,.5);
  color: var(--text-secondary);
  font-size: .82rem;
  vertical-align: middle;
}
.portal-table tr:last-child td { border-bottom: none; }
.portal-table tr:hover td { background: var(--bg-hover); }
.portal-table td.name-cell { color: var(--text-primary); font-weight: 500; }

/* ── Gauge charts ────────────────────────────────────────────────────── */
.gauge-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
  text-align: center;
}
.gauge-label { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin-bottom: .5rem; }
.gauge-value { font-size: 1.4rem; font-weight: 700; color: var(--text-primary); }
.gauge-sub   { font-size: .72rem; color: var(--text-secondary); margin-top: .2rem; }

/* ── Page header ─────────────────────────────────────────────────────── */
.page-header {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
}
.page-header h1 { font-size: 1.35rem; font-weight: 700; color: var(--text-primary); margin: 0; }
.page-header p  { font-size: .8rem; color: var(--text-muted); margin: 0; }

/* ── Section title ───────────────────────────────────────────────────── */
.section-title {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin: 1.5rem 0 .75rem;
  display: flex; align-items: center; gap: .5rem;
}
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

/* ── Filter bar ──────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 99px;
  padding: .3rem .85rem;
  font-size: .78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s;
}
.filter-btn:hover { border-color: var(--accent-blue); color: var(--accent-blue); }
.filter-btn.active {
  background: rgba(59,130,246,.15);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* ── Skeleton loading ────────────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ── Container state pill ────────────────────────────────────────────── */
.state-pill {
  font-size: .7rem;
  font-weight: 600;
  padding: .15rem .5rem;
  border-radius: 99px;
  display: inline-block;
}
.state-running  { background: rgba(16,185,129,.15); color: var(--status-online);  }
.state-exited   { background: rgba(239,68, 68,.15);  color: var(--status-offline); }
.state-paused   { background: rgba(245,158,11,.15); color: var(--status-warning); }
.state-restarting { background: rgba(59,130,246,.15); color: var(--accent-blue); }

/* ── Tabs ────────────────────────────────────────────────────────────── */
.portal-tabs {
  display: flex;
  gap: .25rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.25rem;
}
.portal-tab {
  padding: .5rem 1rem;
  font-size: .82rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all .15s;
}
.portal-tab:hover { color: var(--text-primary); }
.portal-tab.active { color: var(--accent-blue); border-bottom-color: var(--accent-blue); }

/* ── Scrollbar ───────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }

/* ── Mobile ──────────────────────────────────────────────────────────── */
#sidebar-toggle { display: none; }

@media (max-width: 768px) {
  #sidebar {
    position: fixed; top: 0; left: 0; height: 100%;
    transform: translateX(-100%);
  }
  #sidebar.open { transform: translateX(0); }
  #sidebar-toggle { display: flex; }
  #main-content { padding: 1rem; }
}