/* app.css — CRM control-plane dark UI. Self-hosted, no CDN, no build step.
   Single source of truth: global element styles cover the plain-HTML pages
   (tables/forms/buttons) automatically; utility classes add cards/KPIs/badges. */

:root {
  /* Dark OLED palette */
  --bg:        #020617;   /* page background */
  --surface:   #0b1222;   /* cards / panels */
  --surface-2: #111c33;   /* raised / hover */
  --border:    #1e293b;   /* hairlines */
  --border-2:  #334155;   /* stronger borders */

  --text:      #f1f5f9;   /* primary text */
  --muted:     #94a3b8;   /* secondary text */
  --faint:     #64748b;   /* tertiary / hints */

  --accent:    #22c55e;   /* primary action / positive */
  --accent-d:  #16a34a;
  --info:      #38bdf8;
  --warn:      #f59e0b;
  --danger:    #ef4444;

  --radius:    10px;
  --radius-sm: 7px;
  --gap:       20px;
  --sidebar-w: 240px;

  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.25);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

code, kbd, samp { font-family: var(--mono); font-size: .9em; }
code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  color: #cbd5e1;
}

h1 { font-size: 1.6rem; font-weight: 650; letter-spacing: -.01em; margin: 0 0 4px; }
h2 { font-size: 1.15rem; font-weight: 600; margin: 0 0 12px; }
h3 { font-size: .95rem; font-weight: 600; margin: 0 0 8px; }

/* ─────────────────────────── App shell ─────────────────────────── */

.app { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 20px 16px;
  font-weight: 700; font-size: 1.05rem; letter-spacing: .02em;
  color: var(--text);
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.nav { padding: 6px 12px; display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav a {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: .92rem; font-weight: 500;
  transition: background .15s, color .15s;
}
.nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--surface-2); color: var(--text); }
.nav a.active svg { color: var(--accent); }
.nav svg { width: 18px; height: 18px; flex: 0 0 18px; color: var(--faint); }

.sidebar-foot {
  padding: 12px; border-top: 1px solid var(--border);
}
.sidebar-foot a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  color: var(--muted); font-size: .92rem; font-weight: 500;
}
.sidebar-foot a:hover { background: var(--surface-2); color: var(--danger); text-decoration: none; }
.sidebar-foot svg { width: 18px; height: 18px; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 28px; border-bottom: 1px solid var(--border);
  background: rgba(2,6,23,.7); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.topbar .crumb { color: var(--muted); font-size: .9rem; }
.content { padding: 28px; max-width: 1280px; width: 100%; }
.content > h1 + p { color: var(--muted); margin-top: 0; }

/* ─────────────────────────── Cards / KPIs ─────────────────────────── */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.grid { display: grid; gap: var(--gap); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.auto   { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

.kpi { display: flex; flex-direction: column; gap: 6px; }
.kpi .label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.kpi .value { font-family: var(--mono); font-size: 1.9rem; font-weight: 600; line-height: 1; }
.kpi .sub { color: var(--faint); font-size: .82rem; }

/* link-card grid (home) */
.tile {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
  color: var(--text); cursor: pointer;
  transition: border-color .15s, background .15s, transform .05s;
}
.tile:hover { border-color: var(--border-2); background: var(--surface-2); text-decoration: none; }
.tile:active { transform: translateY(1px); }
.tile svg { width: 22px; height: 22px; color: var(--accent); flex: 0 0 22px; }
.tile .t-title { font-weight: 600; }
.tile .t-sub { color: var(--faint); font-size: .8rem; }

/* ─────────────────────────── Tables ─────────────────────────── */

table {
  width: 100%; border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: .9rem;
}
thead th {
  text-align: left; font-weight: 600; font-size: .76rem;
  text-transform: uppercase; letter-spacing: .04em;
  color: var(--muted);
  padding: 11px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
tbody td { padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface-2); }
td .mono, .mono { font-family: var(--mono); }

/* ─────────────────────────── Forms / buttons ─────────────────────────── */

label { display: block; margin-bottom: 14px; color: var(--muted); font-size: .88rem; font-weight: 500; }
label input, label select { margin-top: 6px; }

input[type=text], input[type=password], input[type=number],
input[type=email], input[type=search], input:not([type]), select, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit;
  padding: 10px 12px;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34,197,94,.18);
}
input[type=checkbox] { width: 17px; height: 17px; accent-color: var(--accent); vertical-align: middle; }

button, .btn, input[type=submit] {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #04130a;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  font: inherit; font-weight: 600; font-size: .9rem;
  padding: 9px 16px; cursor: pointer;
  transition: background .15s, opacity .15s;
}
button:hover, .btn:hover, input[type=submit]:hover { background: var(--accent-d); }
button:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button:disabled { opacity: .55; cursor: not-allowed; }

button.secondary, .btn.secondary {
  background: var(--surface-2); color: var(--text); border-color: var(--border-2);
}
button.secondary:hover, .btn.secondary:hover { background: var(--surface); border-color: var(--faint); }
button.danger, .btn.danger { background: var(--danger); color: #fff; }
button.danger:hover, .btn.danger:hover { background: #dc2626; }
button.ghost {
  background: transparent; color: var(--muted); border-color: var(--border-2);
}
button.ghost:hover { background: var(--surface-2); color: var(--text); }

/* inline action forms inside table cells */
td form { display: inline; margin: 0; }

/* ─────────────────────────── Badges ─────────────────────────── */

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px;
  font-size: .76rem; font-weight: 600;
  border: 1px solid transparent;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.ok      { color: var(--accent); background: rgba(34,197,94,.12);  border-color: rgba(34,197,94,.3); }
.badge.warn    { color: var(--warn);   background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.3); }
.badge.err     { color: var(--danger); background: rgba(239,68,68,.12);  border-color: rgba(239,68,68,.3); }
.badge.muted   { color: var(--muted);  background: var(--surface-2);     border-color: var(--border); }
.badge.info    { color: var(--info);   background: rgba(56,189,248,.12); border-color: rgba(56,189,248,.3); }

/* traffic-light dot for infra */
.light { display: inline-block; width: 11px; height: 11px; border-radius: 50%; }
.light.green { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.light.amber { background: var(--warn);   box-shadow: 0 0 8px var(--warn); }
.light.red   { background: var(--danger); box-shadow: 0 0 8px var(--danger); }

/* ─────────────────────────── Flash messages ─────────────────────────── */

.flash {
  padding: 11px 16px; border-radius: var(--radius-sm);
  margin: 0 0 12px; font-size: .9rem; font-weight: 500;
  border: 1px solid transparent;
}
.flash.success { color: var(--accent); background: rgba(34,197,94,.1);  border-color: rgba(34,197,94,.3); }
.flash.error   { color: var(--danger); background: rgba(239,68,68,.1);  border-color: rgba(239,68,68,.3); }
.flash.warning { color: var(--warn);   background: rgba(245,158,11,.1); border-color: rgba(245,158,11,.3); }
.flash.info    { color: var(--info);   background: rgba(56,189,248,.1); border-color: rgba(56,189,248,.3); }

/* ─────────────────────────── Helpers ─────────────────────────── */

.muted { color: var(--muted); }
.faint { color: var(--faint); }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.between { justify-content: space-between; }
.mt { margin-top: 20px; }
.mb { margin-bottom: 20px; }
.stack > * + * { margin-top: 16px; }
.empty {
  text-align: center; color: var(--muted);
  padding: 40px 20px; border: 1px dashed var(--border-2);
  border-radius: var(--radius); background: var(--surface);
}

/* ─────────────────────────── Auth pages ─────────────────────────── */

.auth-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(34,197,94,.08), transparent 60%),
    var(--bg);
}
.auth-card {
  width: 100%; max-width: 380px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 32px; box-shadow: var(--shadow);
}
.auth-card .brand { padding: 0 0 8px; justify-content: center; }
.auth-card h1 { text-align: center; font-size: 1.25rem; }
.auth-card p.sub { text-align: center; color: var(--muted); margin: 0 0 22px; font-size: .9rem; }
.auth-card button { width: 100%; justify-content: center; margin-top: 4px; }

/* ─────────────────────────── Responsive ─────────────────────────── */

@media (max-width: 860px) {
  .sidebar {
    position: static; width: 100%; height: auto; flex-basis: auto;
    border-right: 0; border-bottom: 1px solid var(--border);
  }
  .app { flex-direction: column; }
  .nav { flex-direction: row; flex-wrap: wrap; }
  .nav a { flex: 0 0 auto; }
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
  .content { padding: 18px; }
  table { display: block; overflow-x: auto; white-space: nowrap; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}