/* assets/css/style.css */
:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #22263a;
  --border: rgba(255,255,255,0.08);
  --text: #e2e6f3;
  --muted: #7a82a0;
  --accent-meca: #3b82f6;
  --accent-elec: #f59e0b;
  --ok: #22c55e;
  --nok: #ef4444;
  --radius: 10px;
  --font: 'Segoe UI', Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font); background: var(--bg); color: var(--text); min-height: 100vh; }

/* ── Header ────────────────────────────────────── */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.app-header h1 { font-size: 16px; font-weight: 700; letter-spacing: .2px; }
.app-header .subtitle { font-size: 11px; color: var(--muted); margin-top: 2px; }

/* ── Navigation ────────────────────────────────── */
.nav {
  display: flex;
  gap: 4px;
  background: var(--surface2);
  border-radius: var(--radius);
  padding: 4px;
}
.nav-btn {
  padding: 7px 16px;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all .15s;
  white-space: nowrap;
}
.nav-btn.active         { background: var(--accent-meca); color: #fff; }
.nav-btn.active-elec    { background: var(--accent-elec); color: #1a1207; }

/* ── Layout ────────────────────────────────────── */
.container { padding: 20px 24px; max-width: 1100px; margin: 0 auto; }
.page { display: none; animation: fadeIn .2s ease; }
.page.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }

/* ── Card ──────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 14px;
}
.card-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .7px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

/* ── KPI Cards ─────────────────────────────────── */
.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-align: center;
}
.kpi-card .kpi-num  { font-size: 28px; font-weight: 700; margin-bottom: 4px; }
.kpi-card .kpi-desc { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }

/* ── Form fields ───────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 11px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .4px; }
.field input,
.field select,
.field textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  color: var(--text);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  transition: border-color .15s;
  width: 100%;
}
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--accent-meca); }
.field textarea { resize: vertical; min-height: 60px; }
.field select option { background: var(--surface2); }

/* ── DI info box ───────────────────────────────── */
.di-box {
  background: var(--surface2);
  border-radius: 8px;
  padding: 14px;
  margin: 14px 0;
}

/* ── Section headings ──────────────────────────── */
.section-head {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-meca);
  margin: 16px 0 8px;
  padding-left: 8px;
  border-left: 3px solid var(--accent-meca);
}
.section-head.elec { color: var(--accent-elec); border-left-color: var(--accent-elec); }

/* ── Task rows ─────────────────────────────────── */
.tache-group { margin-bottom: 0 !important; }
.row-task {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  gap: 10px;
}
.row-task:last-child { border-bottom: none; }
.row-task .label { flex: 1; font-size: 13px; color: var(--text); }

.toggle-group { display: flex; gap: 5px; flex-shrink: 0; }
.toggle-group button {
  padding: 4px 11px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--muted);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  transition: all .1s;
}
.toggle-group button.ok-active  { background: rgba(34,197,94,.18);  border-color: var(--ok);  color: var(--ok);  }
.toggle-group button.nok-active { background: rgba(239,68,68,.18);  border-color: var(--nok); color: var(--nok); }
.toggle-group button.na-active  { background: rgba(122,130,160,.18);border-color: var(--muted);color: var(--muted); }

/* ── Buttons ───────────────────────────────────── */
.btn-primary {
  background: var(--accent-meca);
  color: #fff;
  border: none;
  border-radius: 7px;
  padding: 10px 22px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .15s;
  white-space: nowrap;
}
.btn-primary:hover    { opacity: .88; }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary.elec     { background: var(--accent-elec); color: #1a1207; }
.btn-primary.grey     { background: #334155; }
.btn-row { display: flex; gap: 10px; justify-content: flex-end; margin-top: 16px; flex-wrap: wrap; }
.btn-icon { background: transparent; border: none; cursor: pointer; font-size: 15px; padding: 2px; opacity: .7; transition: opacity .1s; }
.btn-icon:hover { opacity: 1; }

/* ── Chart wrapper ─────────────────────────────── */
.chart-wrap { position: relative; width: 100%; height: 240px; margin-top: 6px; }
.chart-wrap-sm { position: relative; width: 100%; height: 200px; margin-top: 6px; }

/* ── DI Table ──────────────────────────────────── */
.di-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.di-table th {
  padding: 8px 10px;
  text-align: left;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}
.di-table td { padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.di-table tr:last-child td { border-bottom: none; }
.di-table tr:hover td { background: var(--surface2); }

/* ── Badges ────────────────────────────────────── */
.badge { display: inline-block; padding: 2px 7px; border-radius: 4px; font-size: 10px; font-weight: 700; margin-left: 5px; }
.badge-meca { background: rgba(59,130,246,.18); color: var(--accent-meca); }
.badge-elec { background: rgba(245,158,11,.18); color: var(--accent-elec); }

/* ── Date filter ───────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.filter-bar label { font-size: 12px; color: var(--muted); }
.filter-bar input  {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  color: var(--text);
  font-size: 12px;
  font-family: var(--font);
  outline: none;
}

/* ── Responsive ────────────────────────────────── */
@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .container { padding: 12px 14px; }
  .app-header { padding: 10px 14px; }
  .nav-btn { padding: 6px 10px; font-size: 12px; }
  .row-task { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
}