/* PulseWatch — Dark Theme Base — Faza 2 va extinde acest fișier */
:root {
    --bg-primary:    #0f1117;
    --bg-secondary:  #1a1d27;
    --bg-card:       #1e2130;
    --border:        #2a2d3e;
    --text-primary:  #e2e8f0;
    --text-secondary:#94a3b8;
    --accent-blue:   #4da6ff;
    --accent-green:  #22c55e;
    --accent-red:    #ef4444;
    --accent-yellow: #eab308;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body.dark {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 14px;
}

/* Topbar */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 56px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.brand-name { font-weight: 700; font-size: 18px; color: var(--accent-blue); }
.topbar-stats .stat { margin-left: 12px; font-size: 13px; }
.stat.online  { color: var(--accent-green); }
.stat.offline { color: var(--accent-red); }
.btn-logout { background: none; border: 1px solid var(--border); color: var(--text-secondary); cursor: pointer; padding: 4px 10px; border-radius: 4px; }

/* Layout */
.layout { display: flex; min-height: calc(100vh - 56px); }
.sidebar { width: 220px; background: var(--bg-secondary); border-right: 1px solid var(--border); padding: 16px 0; flex-shrink: 0; }
.sidebar-nav .nav-item { display: block; padding: 10px 20px; color: var(--text-secondary); text-decoration: none; border-radius: 6px; margin: 2px 8px; }
.sidebar-nav .nav-item:hover, .sidebar-nav .nav-item.active { background: var(--bg-card); color: var(--text-primary); }
.main-content { flex: 1; padding: 24px; overflow-y: auto; }

/* Page header */
.page-header { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.page-header h1 { font-size: 22px; font-weight: 600; }

/* Badges */
.badge, .env-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; text-transform: uppercase; }
.badge.online, .env-badge.env-prod   { background: rgba(34,197,94,.15);  color: var(--accent-green); }
.badge.offline, .env-badge.env-dev   { background: rgba(239,68,68,.15);  color: var(--accent-red); }
.env-badge.env-staging               { background: rgba(234,179,8,.15);  color: var(--accent-yellow); }
.env-badge.env-client, .env-badge.env-infra { background: rgba(77,166,255,.15); color: var(--accent-blue); }

/* Status dot */
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.status-dot.status-online  { background: var(--accent-green); box-shadow: 0 0 6px var(--accent-green); }
.status-dot.status-offline { background: var(--accent-red); }
.status-dot.status-warning { background: var(--accent-yellow); }
.status-dot.status-unknown { background: var(--text-secondary); }

/* Server grid */
.server-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.server-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 16px; transition: border-color .2s; }
.server-card.status-online  { border-left: 3px solid var(--accent-green); }
.server-card.status-offline { border-left: 3px solid var(--accent-red); }
.server-card.status-warning { border-left: 3px solid var(--accent-yellow); }
.server-card.status-unknown { border-left: 3px solid var(--border); }
.card-header { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.server-name { font-weight: 600; flex: 1; }
.card-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.metric { background: var(--bg-secondary); padding: 8px 10px; border-radius: 6px; }
.metric-label { display: block; font-size: 11px; color: var(--text-secondary); text-transform: uppercase; margin-bottom: 2px; }
.metric-value { font-size: 16px; font-weight: 600; }

/* Table */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { background: var(--bg-secondary); color: var(--text-secondary); font-size: 11px; text-transform: uppercase; }
.data-table tr:hover td { background: var(--bg-card); }
.data-table a { color: var(--accent-blue); text-decoration: none; }

/* Detail grid */
.detail-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; margin-bottom: 24px; }
.detail-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.detail-card h3 { font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; }
.detail-card dl { display: grid; grid-template-columns: 120px 1fr; gap: 6px 12px; }
.detail-card dt { color: var(--text-secondary); }

/* Auth */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.auth-container { width: 100%; max-width: 400px; padding: 16px; }
.auth-card { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 12px; padding: 32px; }
.auth-logo { text-align: center; margin-bottom: 24px; }
.auth-card h2 { text-align: center; margin-bottom: 24px; font-size: 18px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; color: var(--text-secondary); }
.form-group input { width: 100%; padding: 10px 12px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 6px; color: var(--text-primary); font-size: 14px; }
.form-group input:focus { outline: none; border-color: var(--accent-blue); }
.btn-primary { background: var(--accent-blue); color: #fff; border: none; padding: 10px 20px; border-radius: 6px; cursor: pointer; font-size: 14px; font-weight: 600; }
.btn-full { width: 100%; }
.alert { padding: 10px 12px; border-radius: 6px; margin-bottom: 16px; font-size: 13px; }
.alert-error { background: rgba(239,68,68,.15); color: var(--accent-red); border: 1px solid rgba(239,68,68,.3); }

/* Empty state */
.empty-state { grid-column: 1/-1; text-align: center; padding: 48px; color: var(--text-secondary); }
.empty-state a { color: var(--accent-blue); }