:root {
  --green-900: #12371f;
  --green-800: #174a29;
  --green-700: #1e5b32;
  --green-600: #2a7442;
  --green-100: #e6f1e9;
  --green-50: #f3f8f4;
  --amber: #b9752a;
  --amber-100: #f8ecdc;
  --ink: #1b2420;
  --ink-2: #4a5650;
  --ink-3: #7c8781;
  --line: #e2e7e3;
  --bg: #f5f7f5;
  --card: #ffffff;
  --danger: #b3261e;
  --danger-100: #fbe9e7;
  --blue: #1d5fa8;
  --blue-100: #e5eef9;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 40, 24, .06), 0 4px 16px rgba(16, 40, 24, .05);
  font-family: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  font-size: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); }
a { color: var(--green-700); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; letter-spacing: -.01em; }
h1 { font-size: 22px; font-weight: 700; }
h2 { font-size: 16px; font-weight: 600; }
.muted { color: var(--ink-3); }
.hidden { display: none !important; }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px;
  background: radial-gradient(1200px 600px at 10% -10%, #dcebdf 0, transparent 60%), radial-gradient(900px 500px at 110% 110%, var(--amber-100) 0, transparent 55%), var(--bg); }
.login-card { width: 100%; max-width: 380px; background: var(--card); border-radius: 16px; padding: 32px 28px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.login-card img { height: 52px; display: block; margin: 0 auto 18px; }
.login-card h1 { text-align: center; font-size: 19px; }
.login-card p { text-align: center; margin: 6px 0 22px; }

/* ---------- layout ---------- */
.shell { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }
.sidebar { background: var(--green-900); color: #dfeae2; padding: 18px 12px; position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; }
.brand { display: flex; align-items: center; gap: 10px; padding: 6px 10px 18px; border-bottom: 1px solid rgba(255,255,255,.08); margin-bottom: 12px; }
.brand img { height: 34px; background: #fff; border-radius: 8px; padding: 3px 6px; }
.brand b { display: block; color: #fff; font-size: 14px; }
.brand small { color: #9fb9a7; font-size: 11px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; color: #cfe0d4; font-weight: 500; margin-bottom: 2px; }
.nav a:hover { background: rgba(255,255,255,.06); text-decoration: none; color: #fff; }
.nav a.active { background: var(--green-700); color: #fff; }
.nav svg { width: 18px; height: 18px; flex: none; opacity: .9; }
.sidebar .foot { margin-top: auto; padding: 10px 12px; font-size: 12px; color: #9fb9a7; }
.sidebar .foot button { margin-top: 8px; width: 100%; }
.main { min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 28px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.topbar .actions { display: flex; gap: 8px; flex-wrap: wrap; }
.content { padding: 24px 28px 60px; max-width: 1280px; }
.btn.menu-btn { display: none; }

/* ---------- components ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card + .card { margin-top: 16px; }
.card-h { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.card-b { padding: 18px; }
.grid { display: grid; gap: 14px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat { padding: 16px 18px; }
.stat .v { font-size: 26px; font-weight: 700; margin-top: 4px; }
.stat .l { color: var(--ink-3); font-size: 12.5px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 36px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); font: inherit; font-weight: 500; cursor: pointer; white-space: nowrap; text-decoration: none !important; }
.btn:hover { border-color: #c8d1cb; background: var(--green-50); }
.btn.primary { background: var(--green-700); border-color: var(--green-700); color: #fff; }
.btn.primary:hover { background: var(--green-800); }
.btn.amber { background: var(--amber); border-color: var(--amber); color: #fff; }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: var(--danger-100); border-color: #f2c4bf; }
.btn.sm { height: 30px; padding: 0 10px; font-size: 13px; }
.btn.icon { width: 30px; padding: 0; }
.btn:disabled { opacity: .55; cursor: default; }
.btn svg { width: 16px; height: 16px; }

label.f { display: block; }
label.f > span { display: block; font-size: 12.5px; color: var(--ink-2); font-weight: 500; margin-bottom: 5px; }
input, select, textarea { width: 100%; font: inherit; color: var(--ink); background: #fff; border: 1px solid #d5ddd8; border-radius: 8px; padding: 8px 10px; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--green-600); box-shadow: 0 0 0 3px rgba(42, 116, 66, .12); }
textarea { resize: vertical; min-height: 80px; line-height: 1.5; }
input[type=checkbox] { width: auto; }
.check { display: inline-flex; gap: 8px; align-items: center; color: var(--ink-2); }

table.t { width: 100%; border-collapse: collapse; }
.t th { text-align: left; font-size: 12.5px; font-weight: 600; color: var(--ink-3); letter-spacing: 0; padding: 10px 12px; border-bottom: 1px solid var(--line); background: #fafbfa; }
.t td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.t tr:last-child td { border-bottom: 0; }
.t tr.click { cursor: pointer; }
.t tr.click:hover td { background: var(--green-50); }
.table-wrap { overflow-x: auto; }

.pill { display: inline-flex; align-items: center; height: 22px; padding: 0 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.st-draft { background: #eef0ef; color: #4a5650; }
.st-sent { background: var(--blue-100); color: var(--blue); }
.st-accepted { background: var(--green-100); color: var(--green-700); }
.st-rejected { background: var(--danger-100); color: var(--danger); }
.st-expired { background: var(--amber-100); color: #8a5517; }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.tab { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 6px 14px; cursor: pointer; font: inherit; font-weight: 500; color: var(--ink-2); }
.tab.active { background: var(--green-700); border-color: var(--green-700); color: #fff; }
.tab .c { opacity: .7; margin-left: 4px; font-size: 12px; }

.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.pcard { overflow: hidden; display: flex; flex-direction: column; }
.pcard .img { aspect-ratio: 4 / 3; background: var(--green-50) center / contain no-repeat; border-bottom: 1px solid var(--line); }
.pcard .b { padding: 12px 14px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.pcard .n { font-weight: 600; line-height: 1.35; }
.pcard .s { font-size: 12.5px; color: var(--ink-3); line-height: 1.4; }
.pcard .p { margin-top: auto; display: flex; justify-content: space-between; align-items: center; padding-top: 6px; }
.pcard .price { font-weight: 700; color: var(--green-700); }

/* quote editor */
.items .t td { padding: 6px 6px; vertical-align: top; }
.items .t input, .items .t textarea { padding: 6px 8px; font-size: 13px; }
.items .t textarea { min-height: 34px; height: 34px; }
.items .cat-row td { background: var(--green-50); font-weight: 600; color: var(--green-800); font-size: 12.5px; letter-spacing: 0; }
.picker { border: 1px dashed #c9d6cd; border-radius: var(--radius); padding: 14px; background: #fbfdfb; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 6px 10px 6px 6px; cursor: pointer; font: inherit; font-size: 13px; }
.chip:hover { border-color: var(--green-600); background: var(--green-50); }
.chip img { width: 28px; height: 28px; object-fit: cover; border-radius: 6px; background: var(--green-50); }
.totals { margin-left: auto; width: 100%; max-width: 380px; }
.totals .row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 6px 0; }
.totals .row input { width: 140px; text-align: right; }
.totals .grand { border-top: 2px solid var(--green-700); margin-top: 6px; padding-top: 10px; font-size: 18px; font-weight: 700; color: var(--green-800); }

/* modal */
.modal-bg { position: fixed; inset: 0; background: rgba(10, 25, 15, .45); display: grid; place-items: center; z-index: 50; padding: 16px; }
.modal { background: #fff; border-radius: 14px; width: 100%; max-width: 640px; max-height: calc(100vh - 32px); overflow: auto; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.modal .card-h { position: sticky; top: 0; background: #fff; z-index: 1; }
.modal .foot { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 18px; border-top: 1px solid var(--line); position: sticky; bottom: 0; background: #fff; }

.toast { position: fixed; right: 20px; bottom: 20px; background: var(--green-900); color: #fff; padding: 12px 16px; border-radius: 10px; box-shadow: var(--shadow); z-index: 100; max-width: 360px; animation: up .2s ease; }
.toast.err { background: var(--danger); }
@keyframes up { from { transform: translateY(8px); opacity: 0; } }
.empty { text-align: center; padding: 40px 16px; color: var(--ink-3); }
.empty b { display: block; color: var(--ink); font-size: 15px; margin-bottom: 4px; }

@media (max-width: 960px) {
  .g3, .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; width: 250px; z-index: 40; transform: translateX(-100%); transition: transform .2s; }
  .shell.open .sidebar { transform: none; }
  .btn.menu-btn { display: inline-flex; }
  .topbar { padding: 12px 16px; }
  .content { padding: 16px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
}