/* MIP — dense operations layout. Hand-written, no framework (REQUIREMENTS §2 / UI). */

:root {
  --bg: #10151b;
  --panel: #182029;
  --panel-2: #1e2833;
  --line: #2b3844;
  --text: #dfe6ec;
  --muted: #8fa1b3;
  --accent: #4aa3df;
  --high: #e05c5c;
  --warn: #e0a33c;
  --ok-green: #4fb477;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 13px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- shell ------------------------------------------------------------- */
.shell { display: grid; grid-template-columns: 180px 1fr; min-height: 100vh; }

.nav {
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 10px 0;
}
.nav .brand {
  font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 14px 12px; color: var(--accent);
}
.nav a {
  display: block; padding: 7px 14px; color: var(--text); border-left: 3px solid transparent;
}
.nav a:hover { background: var(--panel-2); text-decoration: none; }
.nav a.active { border-left-color: var(--accent); background: var(--panel-2); }
.nav .who { padding: 12px 14px; margin-top: 12px; border-top: 1px solid var(--line); color: var(--muted); }

.main { display: flex; flex-direction: column; min-width: 0; }

/* --- global controls --------------------------------------------------- */
.controls {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  background: var(--panel); border-bottom: 1px solid var(--line); padding: 8px 14px;
}
.controls label { color: var(--muted); margin-right: 4px; }
select, input[type=date], input[type=text], textarea {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 3px; padding: 4px 6px; font: inherit;
}
button, .btn {
  background: var(--accent); color: #05121c; border: 0; border-radius: 3px;
  padding: 5px 10px; font: inherit; font-weight: 600; cursor: pointer;
}
button.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); }

.content { padding: 14px; }
h1 { font-size: 17px; margin: 0 0 12px; font-weight: 600; }
h2 { font-size: 13px; margin: 0; font-weight: 600; }

/* --- grid + panels ----------------------------------------------------- */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 12px; }
.grid.wide { grid-template-columns: 1fr; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 4px; }
.panel > header {
  padding: 7px 10px; border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
}
.panel > .body { padding: 10px; }
.panel .note { color: var(--muted); font-size: 11px; }

/* --- stat tiles -------------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 12px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 10px 12px; }
.stat .n { font-size: 24px; font-weight: 600; }
.stat .k { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }

/* --- tables ------------------------------------------------------------ */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 5px 8px; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; }
tbody tr:hover { background: var(--panel-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-scroll { overflow-x: auto; }

/* --- badges ------------------------------------------------------------ */
.sev { padding: 1px 6px; border-radius: 3px; font-size: 11px; font-weight: 700; text-transform: uppercase; }
.sev-high { background: var(--high); color: #fff; }
.sev-warning { background: var(--warn); color: #2a1c00; }
.sev-info { background: var(--panel-2); color: var(--muted); }
.status { color: var(--muted); font-size: 11px; text-transform: uppercase; }
.status-open { color: var(--high); }
.status-acknowledged { color: var(--warn); }
.status-resolved { color: var(--ok-green); }

/* --- misc -------------------------------------------------------------- */
.muted { color: var(--muted); }
.empty { color: var(--muted); padding: 14px; text-align: center; }
.chart-wrap { position: relative; height: 240px; }
.messages { margin: 0 0 12px; padding: 0; list-style: none; }
.messages li { padding: 7px 10px; border: 1px solid var(--line); border-left: 3px solid var(--accent); background: var(--panel); }
.auth-card { max-width: 380px; margin: 60px auto; }
.auth-card .body p { margin: 6px 0; }
.auth-card form p { margin: 8px 0; }
.auth-card input { width: 100%; }
.errorlist { color: var(--high); list-style: none; padding: 0; margin: 4px 0; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; margin-bottom: 12px; }