/* ==========================================================
   LD Construction - Project Cost Tracker
   Dark UI, single stylesheet, no build step.
   ========================================================== */

:root {
  --bg:        #0e1218;
  --bg-2:      #141a23;
  --bg-3:      #1a212c;
  --line:      #242d3a;
  --line-soft: #1e2531;
  --text:      #e6eaf1;
  --text-dim:  #8b95a7;
  --text-mute: #5f6b7d;
  --accent:    #f0a52e;
  --accent-dk: #c9821a;
  --green:     #35c07f;
  --red:       #ef5f5f;
  --blue:      #4d9df5;
  --radius:    10px;
  --shadow:    0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.25);
  --mono:      ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans:      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { 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: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

h1 { font-size: 22px; margin: 0 0 2px; letter-spacing: -.01em; }
h2 { font-size: 15px; margin: 0 0 12px; }

small { display: block; color: var(--text-mute); font-size: 11.5px; line-height: 1.35; }

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.r { text-align: right; }
.nowrap { white-space: nowrap; }
.dim { color: var(--text-dim); }
.strong { font-weight: 600; }
.neg { color: var(--red); }
.up { color: var(--red); }
.down { color: var(--green); }
.unit { color: var(--text-mute); font-size: 11px; }
.opt { color: var(--text-mute); font-weight: 400; font-size: 11.5px; }

/* ---------- Layout ---------- */
.shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 232px;
  flex: 0 0 232px;
  background: var(--bg-2);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 18px 12px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand { display: flex; align-items: center; gap: 10px; padding: 0 6px 20px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(140deg, var(--accent), var(--accent-dk));
  color: #131820; font-weight: 800; font-size: 14px;
  display: grid; place-items: center; letter-spacing: -.03em;
}
.brand-mark.lg { width: 48px; height: 48px; font-size: 19px; border-radius: 12px; margin: 0 auto 12px; }
.brand-text strong { display: block; font-size: 14px; line-height: 1.2; }
.brand-text span { font-size: 11px; color: var(--text-mute); }

.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-link {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 10px; border-radius: 8px;
  color: var(--text-dim); font-size: 13.5px; font-weight: 500;
  transition: background .12s, color .12s;
}
.nav-link svg { width: 17px; height: 17px; flex: 0 0 17px; opacity: .85; }
.nav-link:hover { background: var(--bg-3); color: var(--text); text-decoration: none; }
.nav-link.is-active { background: var(--bg-3); color: var(--accent); }
.nav-link.muted { color: var(--text-mute); }

.sidebar-foot { border-top: 1px solid var(--line); padding-top: 10px; display: flex; flex-direction: column; gap: 2px; }
.avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--bg-3); border: 1px solid var(--line);
  display: grid; place-items: center; font-size: 12px; font-weight: 700; color: var(--accent);
  flex: 0 0 26px;
}
.who strong { display: block; font-size: 13px; color: var(--text); line-height: 1.2; }
.who em { font-style: normal; font-size: 10.5px; color: var(--text-mute); }

.main { flex: 1; min-width: 0; padding: 24px 28px 40px; }
.menu-btn { display: none; }

.page-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 20px;
}
.page-head .sub { margin: 4px 0 0; color: var(--text-dim); font-size: 13px; }
.head-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.crumbs { font-size: 12px; color: var(--text-mute); margin-bottom: 4px; }
.page-actions { margin-top: 14px; }
.page-foot { margin-top: 36px; color: var(--text-mute); font-size: 11.5px; text-align: center; }

/* ---------- Cards ---------- */
.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
}
.card-title { font-size: 14px; font-weight: 600; margin: 0 0 14px; letter-spacing: -.01em; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.card-head .card-title { margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-2 > .card { margin-bottom: 0; }
.grid-2 + .card, .grid-2 + section { margin-top: 18px; }

.collapsible { display: none; }
.collapsible.open { display: block; }

.empty { color: var(--text-mute); font-size: 13px; padding: 14px 0; margin: 0; }
.notes { color: var(--text-dim); margin: 0; }
.hint { color: var(--text-mute); font-size: 11.5px; margin: 6px 0 0; }
.plain { list-style: none; padding: 0; margin: 0; }
.plain li { padding: 7px 0; border-bottom: 1px solid var(--line-soft); font-size: 13px; color: var(--text-dim); }
.plain li:last-child { border-bottom: 0; }
code { font-family: var(--mono); background: var(--bg-3); padding: 1px 5px; border-radius: 4px; font-size: 12px; }

/* ---------- Stats ---------- */
.stat-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px; margin-bottom: 18px;
}
.stat {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 15px 16px;
}
.stat.accent { border-color: rgba(240,165,46,.35); background: linear-gradient(160deg, rgba(240,165,46,.07), var(--bg-2)); }
.stat-label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-mute); }
.stat-value { display: block; font-size: 25px; font-weight: 700; letter-spacing: -.02em; margin: 5px 0 3px; font-variant-numeric: tabular-nums; }
.stat-value.sm { font-size: 17px; }
.stat-note { display: block; font-size: 11.5px; color: var(--text-mute); }

.progress { height: 6px; background: var(--bg-3); border-radius: 99px; overflow: hidden; margin: -4px 0 18px; }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--accent-dk), var(--accent)); }
.progress-bar.over { background: linear-gradient(90deg, #a33, var(--red)); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; margin: 0 -18px -18px; padding: 0 18px 4px; }
.table-wrap.max-h { max-height: 340px; overflow-y: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.table thead th {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--text-mute); font-weight: 600; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: var(--bg-2); z-index: 1;
}
.table tbody tr:hover { background: rgba(255,255,255,.02); }
.table tbody tr.dim td { color: var(--text-mute); }
.table tfoot th { border-top: 1px solid var(--line); border-bottom: 0; font-size: 12.5px; padding-top: 11px; }
.table.compact th, .table.compact td { padding: 7px 8px; }
.table td .mono, .table td.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---------- Badges, tags, pills ---------- */
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 99px;
  font-size: 11px; font-weight: 600; border: 1px solid transparent;
}
.b-ongoing   { background: rgba(53,192,127,.13); color: var(--green);  border-color: rgba(53,192,127,.3); }
.b-planning  { background: rgba(77,157,245,.13); color: var(--blue);   border-color: rgba(77,157,245,.3); }
.b-on_hold   { background: rgba(240,165,46,.13); color: var(--accent); border-color: rgba(240,165,46,.3); }
.b-completed { background: rgba(139,149,167,.13); color: var(--text-dim); border-color: rgba(139,149,167,.3); }

.tag {
  display: inline-block; padding: 2px 7px; border-radius: 5px;
  font-size: 11px; background: var(--bg-3); color: var(--text-dim); white-space: nowrap;
}
.t-mat { background: rgba(240,165,46,.13); color: var(--accent); }
.t-lab { background: rgba(77,157,245,.13); color: var(--blue); }
.t-eqp { background: rgba(53,192,127,.13); color: var(--green); }
.t-sub { background: rgba(180,120,240,.13); color: #b478f0; }
.t-create, .t-login { color: var(--green); }
.t-delete { color: var(--red); }

.pill {
  display: inline-block; padding: 1px 7px; border-radius: 99px;
  font-size: 11px; font-weight: 600; font-variant-numeric: tabular-nums;
}
.pill.up   { background: rgba(239,95,95,.13);  color: var(--red); }
.pill.down { background: rgba(53,192,127,.13); color: var(--green); }
.pill.flat { background: var(--bg-3); color: var(--text-dim); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 8px 14px; border-radius: 8px;
  background: var(--bg-3); border: 1px solid var(--line);
  color: var(--text); font-size: 13px; font-weight: 500; font-family: inherit;
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: border-color .12s, background .12s;
}
.btn:hover { border-color: #33405266; background: #1f2833; text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #14181f; font-weight: 600; }
.btn-primary:hover { background: #ffb444; border-color: #ffb444; }
.btn-block { width: 100%; text-align: center; }
.btn-sm { padding: 6px 11px; font-size: 12.5px; }
.btn-xs { padding: 3px 8px; font-size: 11.5px; }
.btn.danger { color: var(--red); }
.btn.danger:hover { border-color: rgba(239,95,95,.4); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.f-1 { grid-column: span 1; } .f-2 { grid-column: span 2; } .f-3 { grid-column: span 3; }
.f-4 { grid-column: span 4; } .f-6 { grid-column: span 6; }

.form label { display: block; }
.form label > span:first-child,
.login-form label > span:first-child {
  display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 5px; font-weight: 500;
}
input[type=text], input[type=password], input[type=email], input[type=date],
input[type=search], input[type=number], select, textarea {
  width: 100%; padding: 9px 11px; border-radius: 8px;
  background: var(--bg); border: 1px solid var(--line); color: var(--text);
  font-family: inherit; font-size: 13.5px;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(240,165,46,.13);
}
input:disabled { color: var(--text-mute); background: var(--bg-3); }
textarea { resize: vertical; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-mute) 50%), linear-gradient(135deg, var(--text-mute) 50%, transparent 50%); background-position: calc(100% - 15px) 50%, calc(100% - 10px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 30px; }

.form-actions { display: flex; align-items: center; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.form-actions .hint { margin: 0; }
.subform { margin-top: 14px; padding: 14px; background: var(--bg); border: 1px dashed var(--line); border-radius: 8px; }
.form-grid + .form-grid { margin-top: 14px; }

fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; margin: 0; }
legend { font-size: 12px; color: var(--text-dim); padding: 0 6px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 7px; padding: 6px 11px; border-radius: 99px; background: var(--bg); border: 1px solid var(--line); font-size: 12.5px; cursor: pointer; }
.chip input { accent-color: var(--accent); }
.chip em { font-style: normal; color: var(--text-mute); font-size: 11px; }
.chip.static { cursor: default; }
.check { display: flex !important; align-items: center; gap: 8px; font-size: 13px; color: var(--text-dim); }
.check input { accent-color: var(--accent); width: auto; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.filters input, .filters select { width: auto; min-width: 130px; padding: 7px 10px; font-size: 12.5px; }
.filters.wide input[type=search] { min-width: 180px; }

/* ---------- Flash ---------- */
.flash {
  padding: 11px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 13px;
  border: 1px solid transparent;
}
.flash-success { background: rgba(53,192,127,.1); border-color: rgba(53,192,127,.3); color: #7fdcae; }
.flash-error   { background: rgba(239,95,95,.1); border-color: rgba(239,95,95,.3); color: #ff9b9b; }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.tab { padding: 8px 13px; font-size: 13px; color: var(--text-dim); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab:hover { color: var(--text); text-decoration: none; }
.tab.is-active { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- Charts ---------- */
.chart-wrap { position: relative; height: 240px; }
.chart-wrap.tall { height: 300px; }

/* ---------- Login ---------- */
.login-body {
  display: grid; place-items: center; min-height: 100vh; padding: 24px;
  background: radial-gradient(1000px 500px at 50% -10%, #1b232f 0%, var(--bg) 60%);
}
.login-card {
  width: 100%; max-width: 380px;
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 14px; padding: 30px 28px; box-shadow: var(--shadow);
}
.login-brand { text-align: center; margin-bottom: 22px; }
.login-brand h1 { font-size: 19px; margin: 0; }
.login-brand p { margin: 2px 0 0; color: var(--text-mute); font-size: 12.5px; }
.login-form { display: flex; flex-direction: column; gap: 14px; }
.login-form .btn { margin-top: 4px; }
.divider { display: flex; align-items: center; gap: 12px; margin: 18px 0; color: var(--text-mute); font-size: 11.5px; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.g-wrap { display: flex; justify-content: center; color-scheme: light; }
.login-foot { text-align: center; color: var(--text-mute); font-size: 11.5px; margin: 20px 0 0; }

/* ---------- Install ---------- */
.install-body { padding: 40px 20px; max-width: 720px; margin: 0 auto; }
.step { counter-increment: step; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .f-3, .f-4, .f-6 { grid-column: span 2; }
}

@media (max-width: 720px) {
  .shell { flex-direction: column; }
  .sidebar {
    position: fixed; inset: 0 auto 0 0; z-index: 50;
    transform: translateX(-100%); transition: transform .2s;
    box-shadow: var(--shadow);
  }
  .sidebar.open { transform: none; }
  .menu-btn {
    display: inline-grid; place-items: center; width: 38px; height: 38px;
    border-radius: 8px; background: var(--bg-2); border: 1px solid var(--line);
    color: var(--text); margin-bottom: 14px; cursor: pointer;
  }
  .menu-btn svg { width: 20px; height: 20px; }
  .main { padding: 16px 14px 32px; }
  .form-grid { grid-template-columns: 1fr; }
  .f-1, .f-2, .f-3, .f-4, .f-6 { grid-column: span 1; }
  .table-wrap { margin: 0 -18px; padding: 0 18px; }
  .stat-value { font-size: 21px; }
}

@media print {
  .sidebar, .head-actions, .filters, .menu-btn, .btn { display: none !important; }
  body { background: #fff; color: #000; }
  .card, .stat { border-color: #ddd; background: #fff; }
}