:root {
  --bg: #f4f6f9; --panel: #ffffff; --text: #1b2430; --muted: #6b7686; --line: #dfe4ea;
  --primary: #2563eb; --primary-ink: #fff; --danger: #c62828; --ok: #1b8a4b; --warn: #b26a00;
  --chip: #eef1f5; --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11151b; --panel: #1a2029; --text: #e6eaf0; --muted: #98a3b3; --line: #2b3441; --chip: #252d39;
    --primary: #4c8dff; --danger: #ff6b6b; --ok: #46c97c; --warn: #e8a53a; --shadow: none; }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 15px/1.45 system-ui, "Segoe UI", Roboto, sans-serif; color: var(--text); background: var(--bg); }
.hidden { display: none !important; }
h1 { font-size: 1.4rem; margin: 0 0 .25rem; } h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
a { color: var(--primary); }
.muted { color: var(--muted); } .r { text-align: right; } .nowrap { white-space: nowrap; }
.error { color: var(--danger); min-height: 1.2em; font-size: .9rem; }

.app { display: grid; grid-template-columns: 210px 1fr; min-height: 100vh; }
.nav { background: var(--panel); border-right: 1px solid var(--line); padding: 16px 10px; display: flex; flex-direction: column; gap: 2px; position: sticky; top: 0; height: 100vh; }
.nav .brand { font-weight: 700; padding: 6px 12px 14px; font-size: 1.1rem; }
.nav a { padding: 9px 12px; border-radius: 8px; color: var(--text); text-decoration: none; }
.nav a:hover { background: var(--chip); } .nav a.on { background: var(--primary); color: var(--primary-ink); }
.nav .spacer { flex: 1; }
.content { display: flex; flex-direction: column; min-width: 0; min-height: 100vh; }
main { padding: 24px 28px 24px; max-width: 1200px; width: 100%; flex: 1; }
.site-foot { text-align: center; color: var(--muted); font-size: .8rem; padding: 18px 12px 22px; }
.row { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; } .row input { flex: 1; } .row .n { min-width: 70px; text-align: right; font-size: .8rem; color: var(--muted); }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; box-shadow: var(--shadow); }
.head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.head .actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.head .actions select { width: auto; }
.grid { display: grid; gap: 14px; } .g2 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: repeat(3, 1fr); } .g4 { grid-template-columns: repeat(4, 1fr); }
.kpi .v { font-size: 1.55rem; font-weight: 700; } .kpi .l { color: var(--muted); font-size: .85rem; }

label { display: flex; flex-direction: column; gap: 4px; font-size: .82rem; color: var(--muted); }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--primary) 55%, transparent); border-color: var(--primary); }
input:disabled, select:disabled, textarea:disabled { opacity: .85; background: transparent; border-color: transparent; padding-left: 0; }
textarea { resize: vertical; min-height: 38px; }
.btn { font: inherit; border: 1px solid var(--line); background: var(--panel); color: var(--text); padding: 8px 14px; border-radius: 8px; cursor: pointer; text-decoration: none; display: inline-block; }
.btn:hover { background: var(--chip); }
.btn.primary { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); } .btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--danger); } .btn.sm { padding: 4px 9px; font-size: .85rem; }
button.link { background: none; border: 0; color: var(--muted); text-align: left; padding: 9px 12px; cursor: pointer; font: inherit; }

table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); padding: 8px 10px; border-bottom: 1px solid var(--line); }
td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr.click { cursor: pointer; } tr.click:hover td { background: var(--chip); }
th.r, td.r { text-align: right; }
.table-wrap { overflow-x: auto; }

.chip { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .78rem; background: var(--chip); color: var(--muted); }
.chip.ok { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }
.chip.warn { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.chip.bad { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.chip.info { background: color-mix(in srgb, var(--primary) 16%, transparent); color: var(--primary); }

.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; } .toolbar input { max-width: 320px; } .toolbar select { max-width: 200px; }
.form-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; } .span2 { grid-column: span 2; } .span4 { grid-column: 1 / -1; }

.lines td { padding: 5px 6px; } .lines input, .lines textarea { padding: 6px 8px; }
.lines .c-q { width: 80px; } .lines .c-p { width: 110px; } .lines .c-d { width: 70px; } .lines .c-i { width: 70px; } .lines .c-t { width: 110px; text-align: right; padding-top: 14px; }
.lines .c-x { width: 92px; white-space: nowrap; }
.totals { margin-left: auto; width: min(380px, 100%); margin-top: 14px; }
.totals div { display: flex; justify-content: space-between; padding: 3px 0; } .totals .big { font-size: 1.25rem; font-weight: 700; border-top: 2px solid var(--text); margin-top: 6px; padding-top: 8px; }
.banner { padding: 10px 14px; border-radius: 8px; background: color-mix(in srgb, var(--warn) 14%, transparent); color: var(--warn); margin-bottom: 14px; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(380px, 100%); display: flex; flex-direction: column; gap: 14px; }
dialog { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); color: var(--text); padding: 20px; width: min(520px, 94vw); box-shadow: 0 20px 60px rgba(0,0,0,.35); }
dialog::backdrop { background: rgba(0,0,0,.45); }
dialog .form-grid { grid-template-columns: repeat(2, 1fr); } dialog .foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translate(-50%, 20px); background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 10px; opacity: 0; pointer-events: none; transition: .25s; z-index: 50; }
.toast.show { opacity: 1; transform: translate(-50%, 0); } .toast.err { background: var(--danger); color: #fff; }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 140px; padding-top: 10px; }
.bars .b { flex: 1; max-width: 56px; background: var(--primary); border-radius: 4px 4px 0 0; min-height: 2px; position: relative; opacity: .85; }
.bars .b span { position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%); font-size: .68rem; color: var(--muted); white-space: nowrap; }
.mb { margin-bottom: 14px; }

@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .nav { flex-direction: row; overflow-x: auto; height: auto; position: sticky; z-index: 10; padding: 8px; border-right: 0; border-bottom: 1px solid var(--line); }
  .nav .brand, .nav .spacer { display: none; } .nav a, .nav button { white-space: nowrap; }
  main { padding: 16px 14px 60px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr 1fr; } .form-grid { grid-template-columns: 1fr 1fr; }
  .lines thead { display: none; } .lines tr { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 4px; border-bottom: 1px solid var(--line); padding: 8px 0; }
  .lines td { border: 0; width: auto !important; padding: 2px 4px; } .lines td.c-desc { grid-column: 1 / -1; } .lines .c-t { padding-top: 8px; }
}
@media (max-width: 520px) { .g2, .g3, .g4, .form-grid { grid-template-columns: 1fr; } .span2 { grid-column: auto; } }