:root {
  --serif: 'DM Serif Display', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --mono: 'DM Mono', 'Courier New', monospace;

  --ink: #111318;
  --ink-2: #374151;
  --paper: #fafaf8;
  --surface: #f3f3ef;
  --surface-2: #e8e8e3;
  --border: #e0e0da;
  --border-2: #cacac3;
  --muted: #6b7280;
  --muted-2: #9ca3af;

  --signal: #d97706;
  --signal-light: #fef3c7;
  --signal-dark: #92400e;

  --success: #059669;
  --success-light: #d1fae5;
  --warn: #d97706;
  --warn-light: #fef3c7;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --info: #2563eb;
  --info-light: #dbeafe;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --nav-h: 56px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body { font-family: var(--sans); background: var(--paper); color: var(--ink); -webkit-font-smoothing: antialiased; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
input, select, textarea, button { font-family: var(--sans); font-size: inherit; }

/* ── Nav ── */
.nav {
  height: var(--nav-h);
  display: flex; align-items: center; gap: 1.5rem;
  padding: 0 1.75rem;
  border-bottom: 1px solid var(--border);
  background: var(--paper);
  position: sticky; top: 0; z-index: 100;
}
.nav-brand { font-family: var(--serif); font-size: 1.4rem; font-weight: 700; color: var(--ink); margin-right: .25rem; display: flex; align-items: center; gap: .5rem; }
.nav-brand-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); }
.nav-links { display: flex; gap: 2px; }
.nav-link { font-size: .825rem; padding: .35rem .7rem; border-radius: var(--radius-sm); color: var(--muted); transition: all .12s; white-space: nowrap; }
.nav-link:hover { color: var(--ink); background: var(--surface); }
.nav-link.active { color: var(--ink); background: var(--surface); font-weight: 500; }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: .75rem; }
.nav-company { font-size: .75rem; color: var(--muted); background: var(--surface); padding: .25rem .6rem; border-radius: 99px; border: 1px solid var(--border); }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--ink); color: var(--paper); display: flex; align-items: center; justify-content: center; font-size: .7rem; font-weight: 500; flex-shrink: 0; }
.avatar.sm { width: 26px; height: 26px; font-size: .65rem; }
.avatar.lg { width: 40px; height: 40px; font-size: .85rem; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: .4rem; padding: .5rem 1rem; border-radius: var(--radius); font-size: .85rem; font-weight: 500; cursor: pointer; border: 1px solid transparent; transition: all .12s; white-space: nowrap; }
.btn-primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-primary:hover { opacity: .85; }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; }
.btn-secondary { background: var(--paper); color: var(--ink); border-color: var(--border-2); }
.btn-secondary:hover { border-color: var(--ink); }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--border); }
.btn-ghost:hover { color: var(--ink); border-color: var(--border-2); }
.btn-danger { background: var(--danger-light); color: var(--danger); border-color: #fecaca; }
.btn-danger:hover { background: #fecaca; }
.btn-sm { padding: .3rem .7rem; font-size: .78rem; }
.btn-lg { padding: .65rem 1.4rem; font-size: .95rem; }
.btn-signal { background: var(--signal); color: #fff; border-color: var(--signal); }
.btn-signal:hover { background: var(--signal-dark); border-color: var(--signal-dark); }

/* ── Cards ── */
.card { background: var(--paper); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.card-pad { padding: 1.25rem 1.5rem; }
.card-sm { border-radius: var(--radius); }

/* ── Form elements ── */
.field { display: flex; flex-direction: column; gap: .3rem; }
.field label { font-size: .72rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.field label .opt { text-transform: none; font-weight: 400; font-size: .7rem; }
.field label .req { color: var(--danger); }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
  padding: .55rem .8rem; border: 1px solid var(--border-2); border-radius: var(--radius); font-size: .875rem; color: var(--ink); background: var(--paper); transition: border-color .15s; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--ink); }
input::placeholder, textarea::placeholder { color: var(--muted-2); }
input:disabled { opacity: .55; background: var(--surface); }
textarea { resize: vertical; min-height: 80px; line-height: 1.5; }

/* ── Badges ── */
.badge { display: inline-flex; align-items: center; font-size: .7rem; font-weight: 500; padding: .2rem .55rem; border-radius: 99px; }
.badge-active { background: var(--success-light); color: var(--success); }
.badge-completed { background: var(--info-light); color: var(--info); }
.badge-pending { background: var(--warn-light); color: var(--warn); }
.badge-disabled { background: var(--surface-2); color: var(--muted); }
.badge-admin { background: var(--ink); color: var(--paper); }

/* ── Tags ── */
.tag { display: inline-flex; font-size: .7rem; padding: .15rem .5rem; background: var(--surface); border-radius: var(--radius-sm); color: var(--muted); border: 1px solid var(--border); }

/* ── Report styles ── */
.report-section { padding-bottom: 1.1rem; border-bottom: 1px solid var(--border); }
.report-section:last-child { border-bottom: none; padding-bottom: 0; }
.section-head { display: flex; align-items: center; gap: .5rem; margin-bottom: .55rem; }
.section-icon { font-size: .85rem; color: var(--signal); line-height: 1; }
.section-title { font-size: .9rem; font-weight: 500; color: var(--ink); }
.section-body { font-size: .85rem; color: var(--ink-2); line-height: 1.7; }
.section-body p { margin-bottom: .4rem; }
.section-body ul, .section-body ol { padding-left: 1.2rem; margin: .3rem 0; }
.section-body li { margin-bottom: .25rem; }
.section-body strong { color: var(--ink); }

/* ── Page layout ── */
.main { max-width: 1240px; margin: 0 auto; padding: 1.75rem 1.5rem; }
.page-header { margin-bottom: 1.5rem; }
.page-title { font-family: var(--serif); font-size: 1.6rem; color: var(--ink); }
.page-sub { font-size: .85rem; color: var(--muted); margin-top: .2rem; }

/* ── Chip group ── */
.chip-group { display: flex; flex-wrap: wrap; gap: 5px; }
.chip { font-size: .75rem; padding: .3rem .7rem; border: 1px solid var(--border-2); border-radius: 99px; cursor: pointer; color: var(--muted); background: var(--paper); transition: all .1s; user-select: none; }
.chip.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ── Status dot ── */
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); display: inline-block; }
.status-dot.loading { background: var(--warn); animation: blink 1s infinite; }
.status-dot.idle { background: var(--muted-2); }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.25} }

/* ── Util ── */
.divider { height: 1px; background: var(--border); margin: 1rem 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: .85rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: .75rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-sm { gap: .5rem; }
.gap-md { gap: .85rem; }
.gap-lg { gap: 1.25rem; }
.ml-auto { margin-left: auto; }
.text-muted { color: var(--muted); }
.text-sm { font-size: .8rem; }
.text-xs { font-size: .72rem; }
.fw-500 { font-weight: 500; }
.mt-sm { margin-top: .5rem; }
.mt-md { margin-top: 1rem; }
.mb-sm { margin-bottom: .5rem; }
.mb-md { margin-bottom: 1rem; }

/* ── Modal ── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 200; align-items: center; justify-content: center; padding: 1rem; }
.modal-overlay.open { display: flex; }
.modal-box { background: var(--paper); border-radius: var(--radius-xl); width: 100%; max-width: 560px; max-height: 88vh; overflow-y: auto; }
.modal-box.lg { max-width: 760px; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border); }
.modal-header h3 { font-family: var(--serif); font-size: 1.1rem; }
.modal-body { padding: 1.25rem 1.5rem; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: .5rem; }
.btn-close { background: none; border: none; cursor: pointer; color: var(--muted); font-size: 1.1rem; padding: .25rem; }
.btn-close:hover { color: var(--ink); }

/* ── Metric card ── */
.metric-card { background: var(--surface); border-radius: var(--radius); padding: .85rem 1rem; }
.metric-label { font-size: .72rem; color: var(--muted); margin-bottom: .3rem; font-weight: 500; letter-spacing: .04em; text-transform: uppercase; }
.metric-value { font-size: 1.5rem; font-weight: 500; color: var(--ink); font-family: var(--serif); }
.metric-sub { font-size: .72rem; color: var(--muted-2); margin-top: .15rem; }

/* ── Empty state ── */
.empty-state { text-align: center; padding: 3rem 1.5rem; color: var(--muted); }
.empty-state p { font-size: .9rem; margin-bottom: .4rem; }
.empty-state span { font-size: .8rem; color: var(--muted-2); }

/* ── Alert ── */
.alert { padding: .65rem 1rem; border-radius: var(--radius); font-size: .85rem; margin-bottom: .85rem; }
.alert-error { background: var(--danger-light); color: var(--danger); border: 1px solid #fecaca; }
.alert-success { background: var(--success-light); color: var(--success); border: 1px solid #a7f3d0; }
.alert-info { background: var(--info-light); color: var(--info); border: 1px solid #bfdbfe; }

/* ── Print ── */
@media print {
  .nav, .no-print { display: none !important; }
  .main { padding: 0; }
  .card { border: 1px solid #ccc; }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .main { padding: 1rem; }
}