/* SPDX-License-Identifier: AGPL-3.0-or-later */
/* Copyright (C) 2024-2026 Philippe Naveau — contact@perfshop.io */
/* PerfShop — Monitoring common CSS (student + admin) */

:root {
  --bg: #0d0d14; --surface: #13131e; --surface2: #1c1c2e;
  --border: #2a2a40; --accent: #667eea; --danger: #ff4757;
  --success: #2ed573; --warning: #ffa502; --frontend: #4ecdc4;
  --text: #e8e8f0; --text2: #7878a0; --purple: #a855f7; --cyan: #06b6d4;
  --junior: #2ed573; --confirme: #ffa502; --expert: #ff4757;
  --info: #60a5fa; --mono: 'DM Mono', monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'DM Sans', -apple-system, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }

/* ─── HEADER ─── */
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 32px; border-bottom: 1px solid var(--border); background: var(--surface);
}
.header-left h1 { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; }
.header-left p { font-size: 0.8rem; color: var(--text2); margin-top: 2px; font-family: var(--mono); }
.header-right { display: flex; align-items: center; gap: 12px; }
.live-pill {
  display: flex; align-items: center; gap: 6px;
  background: rgba(46,213,115,0.1); border: 1px solid rgba(46,213,115,0.3);
  color: var(--success); padding: 6px 14px; border-radius: 20px;
  font-family: var(--mono); font-size: 0.75rem; font-weight: 500;
}
.live-pill .dot { width:6px; height:6px; border-radius:50%; background:var(--success); animation:blink 1.5s ease-in-out infinite; }
.pause-btn {
  background: var(--surface2); border: 1px solid var(--border); color: var(--text2);
  padding: 6px 16px; border-radius: 6px; font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem; cursor: pointer; transition: all 0.2s;
}
.pause-btn:hover { border-color: var(--accent); color: var(--text); }
.pause-btn.paused { border-color: var(--warning); color: var(--warning); }
.grafana-select {
  background: var(--surface2); border: 1px solid var(--border); color: var(--text2);
  padding: 6px 30px 6px 10px; border-radius: 6px; font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem; cursor: pointer; transition: border-color 0.2s;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%237878a0' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
}
.grafana-select:hover { border-color: var(--accent); color: var(--text); }
.grafana-select option, .grafana-select optgroup { background: var(--surface2); color: var(--text); }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.4} }

/* ─── TABS ─── */
.tabs {
  display: flex; gap: 4px; padding: 12px 32px;
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.tab {
  background: transparent; border: 1px solid transparent; color: var(--text2);
  padding: 8px 20px; border-radius: 8px; cursor: pointer;
  font-family: 'DM Sans', sans-serif; font-size: 0.875rem; font-weight: 500; transition: all 0.2s;
}
.tab:hover { color: var(--text); background: var(--surface2); }
.tab.active.t-backend  { color: var(--accent);   border-color: rgba(102,126,234,0.3); background: rgba(102,126,234,0.08); }
.tab.active.t-frontend { color: var(--frontend); border-color: rgba(78,205,196,0.3);  background: rgba(78,205,196,0.08); }
.tab.active.t-general  { color: var(--purple);   border-color: rgba(168,85,247,0.3);  background: rgba(168,85,247,0.08); }

.tab-panel { display: none; padding: 28px 32px; }
.tab-panel.active { display: block; }

/* ─── CARDS / KPI ─── */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px; min-width: 0; }
.card-title { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text2); margin-bottom: 8px; }
.card-value { font-size: 1.9rem; font-weight: 700; font-family: var(--mono); }
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 20px; }

/* ─── STATUS BANNER ─── */
.status-banner {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 20px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.status-banner.has-chaos { border-color: rgba(255,71,87,0.4); background: rgba(255,71,87,0.05); }
.banner-left { display: flex; align-items: center; gap: 10px; flex: 1; }
.status-dot { width:8px; height:8px; border-radius:50%; background:var(--border); flex-shrink:0; }
.status-dot.on { background:var(--danger); box-shadow:0 0 6px var(--danger); animation:blink 1.5s ease-in-out infinite; }
.status-dot.ok { background:var(--success); box-shadow:0 0 6px rgba(46,213,115,0.5); }
.banner-text { font-size: 0.875rem; font-weight: 500; }
.banner-right { font-size: 0.75rem; color: var(--text2); font-family: var(--mono); }

/* ─── STAT CARDS ─── */
.stats-grid { display: grid; grid-template-columns: repeat(6,1fr); gap:14px; margin-bottom:24px; }
@media(max-width:1400px){.stats-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:800px) {.stats-grid{grid-template-columns:repeat(2,1fr);}}
.stat-card { background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:18px 20px; min-width:0; }
.stat-label { font-size:0.72rem; color:var(--text2); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:10px; }
.stat-value { font-family:var(--mono); font-size:1.6rem; font-weight:500; line-height:1; color:var(--text); }
.stat-value.good   { color: var(--success); }
.stat-value.warn   { color: var(--warning); }
.stat-value.danger { color: var(--danger);  }
.stat-unit { font-size:0.7rem; color:var(--text2); margin-top:4px; font-family:var(--mono); }

/* ─── CHART CARDS ─── */
.charts-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-bottom:28px; }
@media(max-width:1000px){.charts-grid{grid-template-columns:1fr;}}
.chart-card { background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:20px; min-width:0; }
.chart-header { display:flex; align-items:flex-start; justify-content:space-between; margin-bottom:16px; gap:8px; }
.chart-title { font-size:0.875rem; font-weight:600; color:var(--text); }
.chart-impact { font-size:0.7rem; color:var(--text2); font-family:var(--mono); background:var(--surface2); padding:3px 8px; border-radius:4px; white-space:nowrap; }
canvas { max-height:160px; }

/* ─── MISC ─── */
.section-subtitle { margin:16px 0 8px; font-size:0.8rem; text-transform:uppercase; letter-spacing:1px; color:#888; }
.section-title { font-size:0.78rem; font-weight:700; text-transform:uppercase; letter-spacing:0.07em; color:var(--text2); margin:0 0 12px; }
.divider { border:none; border-top:1px solid var(--border); margin:20px 0; }
.info-row { display:flex; justify-content:space-between; padding:7px 0; border-bottom:1px solid var(--border); font-size:0.82rem; }
.info-row:last-child { border-bottom:none; }
.info-key { color:var(--text2); }
.info-val { font-family:var(--mono); text-align:right; }
.perf-note { font-size:0.82rem; color:var(--text2); background:rgba(102,126,234,0.07); border:1px solid rgba(102,126,234,0.2); border-radius:10px; padding:14px 18px; margin-bottom:16px; }