/* ZebIQ invoicing — minimal, quiet, built around tabular numbers. */

:root {
  --bg: #f7f8f8;
  --surface: #ffffff;
  --line: #e6e8e8;
  --line-strong: #d3d7d7;
  --ink: #14181a;
  --ink-2: #4b5457;
  --ink-3: #838d90;
  --accent: #0d7d76;
  --accent-soft: #e6f4f3;
  --danger: #b4372e;
  --danger-soft: #fbeceb;
  --warn: #8a6100;
  --warn-soft: #fdf4e3;
  --ok: #216e4e;
  --ok-soft: #e7f4ee;
  --r: 10px;
  --shadow: 0 1px 2px rgba(20, 24, 26, .04), 0 1px 3px rgba(20, 24, 26, .06);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font: 15px/1.5 ui-sans-serif, -apple-system, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-feature-settings: "cv02","cv03","cv04";
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.011em; }
h1 { font-size: 22px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; }

.num { font-variant-numeric: tabular-nums; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92em; }
.muted { color: var(--ink-3); }
.right { text-align: right; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }

/* ---------------------------------------------------------------- shell */
.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }

.side {
  background: var(--surface);
  border-right: 1px solid var(--line);
  padding: 20px 14px;
  display: flex; flex-direction: column; gap: 22px;
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 0 8px; }
.brand img { width: 26px; height: 26px; object-fit: contain; }
.brand b { font-size: 14px; letter-spacing: -.01em; }
.brand span { display: block; font-size: 11px; color: var(--ink-3); font-weight: 400; }

.nav { display: flex; flex-direction: column; gap: 1px; }
.nav a {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 8px;
  color: var(--ink-2); font-size: 14px; font-weight: 500;
}
.nav a:hover { background: var(--bg); text-decoration: none; color: var(--ink); }
.nav a.on { background: var(--accent-soft); color: var(--accent); }
.nav .sep { margin-top: 14px; padding: 0 10px 4px; font-size: 11px; text-transform: uppercase;
            letter-spacing: .07em; color: var(--ink-3); font-weight: 600; }
.nav svg { width: 16px; height: 16px; stroke-width: 1.7; flex: none; }

.side-foot { margin-top: auto; border-top: 1px solid var(--line); padding-top: 14px; font-size: 13px; }
.side-foot .who { padding: 0 10px 8px; }
.side-foot .who b { display: block; font-weight: 600; }
.side-foot .who span { color: var(--ink-3); font-size: 12px; }

.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 26px; border-bottom: 1px solid var(--line); background: var(--surface);
}
.topbar .sub { font-size: 13px; color: var(--ink-3); margin-top: 2px; }
.content { padding: 22px 26px 60px; }

/* ---------------------------------------------------------------- bits */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); }
.card + .card { margin-top: 16px; }
.card-h { padding: 14px 16px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card-b { padding: 16px; }
.card-b.tight { padding: 0; }

.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)); }
@media (max-width: 1080px) { .g4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; align-items: center; overflow-x: auto; }
  .nav { flex-direction: row; }
  .nav .sep, .side-foot { display: none; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
}

.stat .k { font-size: 12px; color: var(--ink-3); font-weight: 500; letter-spacing: .01em; }
.stat .v { font-size: 25px; font-weight: 600; letter-spacing: -.02em; margin-top: 5px; }
.stat .n { font-size: 12px; color: var(--ink-3); margin-top: 3px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
     color: var(--ink-3); font-weight: 600; padding: 9px 14px; border-bottom: 1px solid var(--line); background: #fcfcfc; }
td { padding: 11px 14px; border-bottom: 1px solid var(--line); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fcfdfd; }
tfoot td { border-top: 1px solid var(--line-strong); border-bottom: 0; font-weight: 600; background: #fcfcfc; }

.pill { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 999px;
        font-size: 11.5px; font-weight: 600; letter-spacing: .01em; }
.pill.draft { background: #f0f1f2; color: var(--ink-2); }
.pill.sent { background: var(--warn-soft); color: var(--warn); }
.pill.paid { background: var(--ok-soft); color: var(--ok); }
.pill.cancelled { background: var(--danger-soft); color: var(--danger); text-decoration: line-through; }
.pill.igst { background: var(--accent-soft); color: var(--accent); }

.btn { display: inline-flex; align-items: center; gap: 7px; padding: 8px 14px; border-radius: 8px;
       border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink);
       font: inherit; font-size: 14px; font-weight: 500; cursor: pointer; }
.btn:hover { background: var(--bg); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #0a6660; }
.btn.danger { color: var(--danger); border-color: #e7cbc8; }
.btn.danger:hover { background: var(--danger-soft); }
.btn.sm { padding: 5px 10px; font-size: 13px; }
.btn svg { width: 15px; height: 15px; stroke-width: 1.8; }
.btns { display: flex; gap: 8px; flex-wrap: wrap; }

label { display: block; font-size: 12.5px; font-weight: 500; color: var(--ink-2); margin-bottom: 5px; }
input, select, textarea {
  width: 100%; padding: 8px 11px; font: inherit; font-size: 14px; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: 8px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
input[readonly] { background: var(--bg); color: var(--ink-2); }
.field { margin-bottom: 14px; }
.hint { font-size: 12px; color: var(--ink-3); margin-top: 4px; }
.err { background: var(--danger-soft); color: var(--danger); border: 1px solid #eecfcc;
       padding: 10px 13px; border-radius: 8px; font-size: 13.5px; margin-bottom: 14px; }
.ok-msg { background: var(--ok-soft); color: var(--ok); border: 1px solid #cfe6db;
          padding: 10px 13px; border-radius: 8px; font-size: 13.5px; margin-bottom: 14px; }

.toolbar { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar .field { margin: 0; }
.toolbar input, .toolbar select { min-width: 150px; }

.empty { padding: 44px 20px; text-align: center; color: var(--ink-3); }
.empty h3 { color: var(--ink-2); margin-bottom: 6px; }

/* line editor */
.lines th:last-child, .lines td:last-child { width: 42px; }
.lines td { padding: 7px 8px; vertical-align: top; }
.lines input, .lines select { padding: 7px 9px; font-size: 13.5px; }
.lines .x { border: 0; background: none; color: var(--ink-3); cursor: pointer; font-size: 17px; line-height: 1; padding: 6px; }
.lines .x:hover { color: var(--danger); }

.bar { height: 6px; background: var(--accent-soft); border-radius: 3px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); }

/* login */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: var(--bg); }
.auth .box { width: 100%; max-width: 380px; }
.auth .card-b { padding: 26px; }
.auth .logo { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.auth .logo img { width: 34px; }
.auth h1 { font-size: 19px; }
.auth .foot { text-align: center; margin-top: 16px; font-size: 12.5px; color: var(--ink-3); }

/* ---------------------------------------------------------------- toasts */
.toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 60; }
.toast {
  background: var(--ink); color: #fff; padding: 9px 14px; border-radius: 8px;
  font-size: 13.5px; box-shadow: 0 6px 20px rgba(0,0,0,.16);
  transition: opacity .25s, transform .25s; max-width: 380px;
}
.toast.err { background: var(--danger); }

/* ---------------------------------------------------------------- selection */
tr.picked { background: var(--accent-soft) !important; }
td.pick, th.pick { width: 34px; padding-right: 0; }
td.pick input, th.pick input { width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; }

.selectbar {
  position: sticky; bottom: 14px; z-index: 30;
  display: none; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-top: 14px; padding: 11px 15px;
  background: var(--ink); color: #fff; border-radius: 10px;
  box-shadow: 0 8px 26px rgba(0,0,0,.18);
}
.selectbar.show { display: flex; }
.selectbar b { font-size: 14px; }
.selectbar .sum { margin-left: auto; font-variant-numeric: tabular-nums; font-weight: 600; }
.selectbar .btn { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.22); color: #fff; }
.selectbar .btn:hover { background: rgba(255,255,255,.2); }
.selectbar form { display: inline; }
.selectbar select { width: auto; background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.22); color: #fff; }
.selectbar select option { color: var(--ink); }

/* ---------------------------------------------------------------- sortable */
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--ink); }
th.sortable::after { content: '↕'; opacity: .28; margin-left: 5px; font-size: 10px; }
th.sortable[data-dir="asc"]::after { content: '↑'; opacity: .9; }
th.sortable[data-dir="desc"]::after { content: '↓'; opacity: .9; }

/* ---------------------------------------------------------------- autocomplete */
.ac {
  display: none; position: absolute; z-index: 40; left: 0; top: calc(100% + 3px);
  min-width: 340px; max-height: 264px; overflow-y: auto;
  background: var(--surface); border: 1px solid var(--line-strong);
  border-radius: 9px; box-shadow: 0 8px 26px rgba(20,24,26,.13);
}
.ac.show { display: block; }
.ac-i { display: flex; align-items: baseline; gap: 9px; padding: 7px 11px; cursor: pointer; font-size: 13px; }
.ac-i:hover, .ac-i.on { background: var(--accent-soft); }
.ac-code { font-family: ui-monospace, Menlo, monospace; font-weight: 600; color: var(--accent); flex: none; }
.ac-lbl { flex: 1; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ac-rate { flex: none; font-size: 11.5px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.ac-none { padding: 9px 11px; font-size: 13px; color: var(--ink-3); }

/* ---------------------------------------------------------------- modal */
.modal { position: fixed; inset: 0; background: rgba(20,24,26,.42); display: none; place-items: center; z-index: 70; padding: 20px; }
.modal.show { display: grid; }
.modal .card { width: 100%; max-width: 460px; max-height: 90vh; overflow-y: auto; }

/* ---------------------------------------------------------------- misc */
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { padding: 3px 9px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line);
        font-size: 12px; color: var(--ink-2); cursor: pointer; }
.chip:hover, .chip.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }