/* ================= Work Invoice — app styles ================= */
:root {
  --accent: #0e7490;
  --accent-ink: #ffffff;
  --bg: #eef1f6;
  --card: #ffffff;
  --ink: #101828;
  --mut: #667085;
  --line: #e4e7ee;
  --soft: #f6f8fb;
  --dash: #b9c0cd;
  --danger: #b42318;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 28px -12px rgba(16, 24, 40, .18);
  --radius: 14px;
}
html[data-dark] {
  --bg: #0c111e;
  --card: #151c2c;
  --ink: #e7ecf5;
  --mut: #94a0b8;
  --line: #27314a;
  --soft: #1b2438;
  --dash: #4a566e;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px -12px rgba(0, 0, 0, .55);
}

* { margin: 0; box-sizing: border-box; }
html { color-scheme: light; }
html[data-dark] { color-scheme: dark; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; cursor: pointer; }
input, textarea { font: inherit; color: var(--ink); }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 20px;
  background: var(--card);
  background: color-mix(in srgb, var(--card) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; letter-spacing: -.01em; display: flex; align-items: center; gap: 8px; }
.brand-ico { font-size: 1.2rem; }
.brand-sub {
  font-size: .68rem; font-weight: 600; text-transform: uppercase; letter-spacing: .12em;
  color: var(--accent); border: 1px solid var(--line);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  padding: 2px 7px; border-radius: 99px;
}
.topbar-actions { display: flex; gap: 8px; }

main { max-width: 1020px; margin: 26px auto 60px; padding: 0 16px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 22px; }
main > * { min-width: 0; }

/* ---------- cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 28px;
}
.card h2 { font-size: 1.05rem; margin-bottom: 14px; letter-spacing: -.01em; }

/* ---------- buttons ---------- */
.btn {
  border: 1px solid var(--line); background: var(--soft); color: var(--ink);
  border-radius: 9px; padding: 9px 15px; font-weight: 600; font-size: .9rem;
  transition: filter .12s, transform .05s, background .12s;
}
.btn:hover { filter: brightness(1.04); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: transparent; }
.btn.sm { padding: 6px 11px; font-size: .82rem; }
.btn.icon { padding: 6px 10px; }
.mini-btn {
  border: none; background: var(--soft); border: 1px solid var(--line);
  border-radius: 7px; font-size: .72rem; padding: 2px 8px; color: var(--mut); font-weight: 600;
  vertical-align: 1px; margin-left: 6px;
}
.mini-btn:hover { color: var(--accent); }

/* ---------- segmented control ---------- */
.seg { display: inline-flex; background: var(--soft); border: 1px solid var(--line); border-radius: 10px; padding: 3px; gap: 3px; }
.seg button { border: none; background: transparent; padding: 6px 13px; border-radius: 8px; font-size: .84rem; font-weight: 600; color: var(--mut); }
.seg button.on { background: var(--card); color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.15); }
.seg.accent button.on { background: var(--accent); color: var(--accent-ink); }

/* ---------- invoice sheet ---------- */
.inv-name {
  width: 100%; border: none; background: transparent; outline: none;
  font-size: clamp(1.5rem, 4vw, 2rem); font-weight: 800; letter-spacing: -.02em;
  padding: 2px 0 10px; border-bottom: 2px dashed transparent;
}
.inv-name::placeholder { color: color-mix(in srgb, var(--mut) 55%, transparent); }
.inv-name:hover, .inv-name:focus { border-bottom-color: var(--line); }

.period-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 6px 0 16px; }
.period-label {
  position: relative; display: inline-flex; align-items: center; gap: 8px;
  background: var(--soft); border: 1px solid var(--line); border-radius: 10px;
  padding: 7px 13px; font-weight: 700; font-size: .95rem; cursor: pointer;
}
.period-label input[type="date"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
/* the real input is transparent, so surface its focus on the label instead */
.period-label:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.settings-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px; margin-bottom: 16px;
}
.settings-grid label { display: grid; gap: 5px; font-size: .74rem; font-weight: 600; color: var(--mut); text-transform: uppercase; letter-spacing: .05em; }
.settings-grid input {
  border: 1px solid var(--line); background: var(--soft); border-radius: 9px;
  padding: 8px 11px; font-size: .92rem; font-weight: 500; width: 100%;
}
.settings-grid input:focus { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); border-color: var(--accent); }

/* ---------- overtime panel ---------- */
.ot-block { border: 1px solid var(--line); border-radius: 11px; background: var(--soft); padding: 11px 13px; margin-bottom: 14px; }
.ot-master { display: flex; align-items: center; gap: 9px; font-weight: 600; font-size: .9rem; cursor: pointer; flex-wrap: wrap; }
.ot-master input { width: 16px; height: 16px; accent-color: var(--accent); }
.ot-master em { font-style: normal; font-size: .78rem; font-weight: 600; color: var(--accent); }
.ot-rules { display: grid; gap: 8px; margin-top: 11px; padding-top: 11px; border-top: 1px dashed var(--line); }
.ot-rules[hidden] { display: none; }
.ot-rule { display: flex; align-items: center; gap: 10px; font-size: .87rem; cursor: pointer; flex-wrap: wrap; }
.ot-rule > input[type="checkbox"] { width: 15px; height: 15px; accent-color: var(--accent); flex-shrink: 0; }
.ot-rule > span:nth-of-type(1) { flex: 1; min-width: 150px; }
.ot-rule input[type="number"] {
  width: 62px; border: 1px solid var(--line); background: var(--card); border-radius: 7px;
  padding: 4px 7px; font-size: .87rem; font-variant-numeric: tabular-nums;
}
.ot-x { display: inline-flex; align-items: center; gap: 4px; color: var(--mut); font-weight: 700; }
.ot-note { font-size: .76rem; color: var(--mut); line-height: 1.5; margin-top: 2px; }

td.c-billed { text-align: right; padding: 3px 8px; font-variant-numeric: tabular-nums; }
.billed { color: var(--mut); font-size: .9rem; }
.billed.up { color: var(--accent); font-weight: 700; cursor: help; }

/* ---------- extras / logo / line items ---------- */
.extras-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }
.extras-lbl { font-size: .72rem; font-weight: 700; color: var(--mut); text-transform: uppercase; letter-spacing: .06em; }

.logo-panel { border: 1px solid var(--line); border-radius: 11px; background: var(--soft); padding: 12px 13px; margin-bottom: 14px; display: grid; gap: 11px; grid-template-columns: auto 1fr; align-items: center; }
.logo-panel[hidden] { display: none; }
.logo-panel .ot-note { grid-column: 1 / -1; margin: 0; }
.logo-preview {
  width: 108px; height: 62px; border: 1px dashed var(--line); border-radius: 9px;
  display: grid; place-items: center; background: var(--card); overflow: hidden; padding: 5px;
}
.logo-preview img { max-width: 100%; max-height: 100%; object-fit: contain; }
.logo-empty { font-size: .7rem; color: var(--mut); }
.logo-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.file-btn { position: relative; overflow: hidden; display: inline-block; }
.file-btn input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.logo-size { display: inline-flex; align-items: center; gap: 8px; font-size: .78rem; font-weight: 600; color: var(--mut); }
.logo-size input[type="range"] { width: 110px; accent-color: var(--accent); }
.logo-size span { font-variant-numeric: tabular-nums; color: var(--ink); min-width: 44px; }

.lines-block { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.lines-block[hidden] { display: none; }
.lines-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.lines-head h3 { font-size: .95rem; }
.sm-chk { font-size: .8rem; color: var(--mut); font-weight: 600; }
.lines-table { min-width: 520px; }
.lines-table th.th-qty { width: 92px; text-align: right; }
.lines-table th.th-unit { width: 108px; text-align: right; }
.lines-table th.th-line { width: 104px; text-align: right; }
.lines-table th.th-rm { width: 36px; }
.lines-table td.c-linetotal { text-align: right; font-variant-numeric: tabular-nums; font-weight: 700; padding: 3px 8px; }
.lines-table td.c-rm { text-align: center; }
.lines-empty td { color: var(--mut); font-size: .84rem; padding: 10px 8px; text-align: center; }
.lines-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 10px; flex-wrap: wrap; }
.lines-sub { font-size: .88rem; color: var(--mut); }
.lines-sub b { color: var(--ink); font-variant-numeric: tabular-nums; margin-left: 6px; }

/* ---------- donate ---------- */
.btn.coffee {
  background: #ffdd00; border-color: #f0c800; color: #16160e; font-weight: 700;
  text-decoration: none; display: inline-flex; align-items: center; white-space: nowrap;
}
.btn.coffee:hover { filter: brightness(1.06); }
.btn.coffee .coffee-ico { margin-right: 6px; }
.btn.coffee .coffee-text:empty, .btn.coffee .coffee-ico:empty { display: none; }
.btn.coffee[hidden] { display: none; }
.donate-panel { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.donate-panel[hidden] { display: none; }
.donate-heading { font-size: .95rem; margin-bottom: 6px; }
.donate-blurb { font-size: .78rem; color: var(--mut); line-height: 1.5; margin-bottom: 12px; }

.donate-options { display: grid; gap: 9px; }
.donate-opt {
  display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit;
  border: 1px solid var(--line); background: var(--soft); border-radius: 11px;
  padding: 11px 13px; transition: border-color .12s, transform .06s, background .12s;
}
.donate-opt:hover { border-color: var(--accent); background: var(--card); }
.donate-opt:active { transform: translateY(1px); }
.donate-opt:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.donate-opt-ico { font-size: 1.35rem; line-height: 1; flex-shrink: 0; }
.donate-opt-body { display: grid; gap: 2px; flex: 1; min-width: 0; }
.donate-opt-body strong { font-size: .92rem; }
.donate-opt-pays { font-size: .76rem; color: var(--ink); opacity: .75; }
.donate-opt-note { font-size: .73rem; color: var(--mut); }
.donate-opt-go { color: var(--mut); font-size: .95rem; flex-shrink: 0; }
.donate-opt:hover .donate-opt-go { color: var(--accent); }

.modal-card.narrow { width: min(430px, 100%); }

.mode-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.mode-hint { font-size: .8rem; color: var(--mut); }

/* ---------- table ---------- */
.table-wrap { overflow-x: auto; margin: 0 -8px; padding: 0 8px; }
table { border-collapse: collapse; width: 100%; min-width: 680px; table-layout: fixed; }
th.th-toggle { width: 44px; }
th.th-day { width: 96px; }
th.th-date { width: 66px; }
th.th-hours { width: 62px; }
th.th-billed { width: 66px; text-align: right; }
th.th-billed[hidden] { display: none; }
th.th-rate { width: 100px; }
th.th-reset { width: 34px; }
thead th {
  text-align: left; font-size: .72rem; text-transform: uppercase; letter-spacing: .07em;
  color: var(--mut); padding: 8px 8px; border-bottom: 2px solid var(--line);
}
th.th-hours, th.th-rate { text-align: right; }
tbody td { border-bottom: 1px solid var(--line); padding: 3px 4px; font-size: .92rem; }
tbody tr:hover td { background: var(--soft); background: color-mix(in srgb, var(--soft) 65%, transparent); }

td.c-day { font-weight: 700; cursor: pointer; user-select: none; white-space: nowrap; padding: 3px 8px; }
td.c-day:hover { color: var(--accent); }
td.c-date { color: var(--mut); white-space: nowrap; font-variant-numeric: tabular-nums; padding: 3px 8px; }
td.c-toggle { width: 44px; }
td.c-reset { width: 34px; text-align: center; }

.cellwrap { position: relative; display: block; }
td input.cell {
  width: 100%; min-width: 0; border: 1px solid transparent; background: transparent; border-radius: 7px;
  padding: 6px 8px; font-size: .92rem;
}
td input.cell:hover { border-color: var(--line); background: var(--soft); }
td input.cell:focus { outline: none; border-color: var(--accent); background: var(--soft); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 30%, transparent); }
td input.cell.num { text-align: right; font-variant-numeric: tabular-nums; }
td .money { position: relative; display: block; }
td .money::before { content: "£"; position: absolute; left: 8px; top: 50%; transform: translateY(-50%); color: var(--mut); font-size: .85rem; pointer-events: none; }
td .money input.cell { padding-left: 20px; }

.ovr::after {
  content: ""; position: absolute; top: 3px; right: 3px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--accent); pointer-events: none;
}
.dashcell { display: block; text-align: center; color: var(--dash); padding: 6px 8px; }
tr.off td { opacity: .55; }
tr.off td.c-toggle, tr.off td.c-date { opacity: 1; }
tr.off td.c-day { opacity: .8; }

.rowreset { border: none; background: none; color: var(--mut); font-size: .95rem; padding: 4px 6px; border-radius: 7px; }
.rowreset:hover { color: var(--accent); background: var(--soft); }

/* row worked/off switch */
.switch { position: relative; display: inline-block; width: 34px; height: 20px; vertical-align: middle; cursor: pointer; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .knob {
  position: absolute; inset: 0; background: var(--dash); border-radius: 99px; transition: background .15s;
}
.switch .knob::before {
  content: ""; position: absolute; width: 14px; height: 14px; left: 3px; top: 3px;
  border-radius: 50%; background: #fff; transition: transform .15s; box-shadow: 0 1px 2px rgba(0,0,0,.3);
}
.switch input:checked + .knob { background: var(--accent); }
.switch input:checked + .knob::before { transform: translateX(14px); }

/* ---------- totals ---------- */
.totals { display: grid; justify-content: end; gap: 6px; margin-top: 16px; text-align: right; }
.tot-line { font-size: .95rem; color: var(--mut); display: flex; justify-content: space-between; gap: 28px; }
.tot-line b { color: var(--ink); font-variant-numeric: tabular-nums; min-width: 110px; }
.tot-line.grand { border-top: 2px solid var(--line); padding-top: 8px; font-weight: 700; color: var(--ink); font-size: 1.05rem; }
.tot-line.grand b { color: var(--accent); font-size: 1.15rem; }

/* ---------- outputs ---------- */
.out-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.out-card {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--line); border-radius: 12px; padding: 14px; background: var(--soft);
}
.out-ico { font-size: 1.5rem; }
.out-body { flex: 1; }
.out-body h3 { font-size: .95rem; }
.out-body p { font-size: .78rem; color: var(--mut); margin-top: 2px; }
.out-actions { display: flex; flex-direction: column; gap: 6px; }

.theme-block { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.theme-block h3 { font-size: .9rem; margin-bottom: 10px; }
.theme-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.swatch {
  width: 40px; height: 40px; border-radius: 11px; border: 2px solid transparent;
  display: grid; place-items: center; font-size: 0; position: relative; transition: transform .1s;
}
.swatch:hover { transform: scale(1.08); }
.swatch.on { border-color: var(--ink); box-shadow: 0 0 0 2px var(--card) inset; }
.swatch.on::after { content: "✓"; font-size: 1rem; color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,.4); }
.swatch-name { position: absolute; top: 110%; left: 50%; transform: translateX(-50%); font-size: .62rem; color: var(--mut); white-space: nowrap; }
.custom-color { display: inline-flex; align-items: center; gap: 10px; margin-top: 14px; font-size: .82rem; font-weight: 600; color: var(--mut); }
.custom-color input[type="color"] { width: 44px; height: 30px; border: 1px solid var(--line); border-radius: 8px; padding: 2px; background: var(--soft); cursor: pointer; }

.foot { text-align: center; color: var(--mut); font-size: .78rem; }

/* ---------- modals ---------- */
.modal {
  position: fixed; inset: 0; z-index: 60; display: grid; place-items: center;
  background: rgba(9, 12, 22, .55); backdrop-filter: blur(3px); padding: 18px;
}
.modal[hidden] { display: none; }
.modal-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  box-shadow: var(--shadow); width: min(560px, 100%); max-height: 92vh; overflow: auto;
  padding: 22px 24px;
}
.modal-card.wide { width: min(880px, 100%); height: 92vh; display: flex; flex-direction: column; }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 10px; }
.modal-head h2 { font-size: 1.05rem; }
#previewFrame { flex: 1; width: 100%; border: 1px solid var(--line); border-radius: 10px; background: #525659; }

.fld-label { display: block; font-size: .74rem; font-weight: 700; color: var(--mut); text-transform: uppercase; letter-spacing: .06em; margin: 16px 0 6px; }
#sendModal input[type="text"], #sendModal input[type="email"], #sendModal textarea {
  width: 100%; border: 1px solid var(--line); background: var(--soft); border-radius: 9px;
  padding: 9px 12px; font-size: .92rem;
}
#sendModal textarea { resize: vertical; line-height: 1.5; }
#sendModal input:focus, #sendModal textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); border-color: var(--accent); }

.recip-list { display: flex; flex-direction: column; gap: 6px; }
.recip-row {
  display: flex; align-items: center; gap: 10px; background: var(--soft);
  border: 1px solid var(--line); border-radius: 9px; padding: 7px 11px; font-size: .9rem;
}
.recip-row .addr { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.recip-row .rm { border: none; background: none; color: var(--mut); font-size: 1rem; padding: 0 4px; }
.recip-row .rm:hover { color: var(--danger); }
.recip-empty { font-size: .84rem; color: var(--mut); padding: 4px 2px; }
.recip-add { display: flex; gap: 8px; margin-top: 8px; }
.recip-add input { flex: 1; }

.attach-row { display: flex; gap: 14px; flex-wrap: wrap; }
.chk { display: inline-flex; align-items: center; gap: 7px; font-size: .9rem; font-weight: 500; cursor: pointer; }
.chk input { width: 16px; height: 16px; accent-color: var(--accent); }

.send-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.send-actions .btn { width: 100%; }
.note { font-size: .78rem; color: var(--mut); line-height: 1.5; margin-top: 12px; }

/* ---------- toasts ---------- */
#toasts { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 90; display: grid; gap: 8px; justify-items: center; }
.toast {
  background: var(--ink); color: var(--bg); padding: 9px 16px; border-radius: 99px;
  font-size: .84rem; font-weight: 600; box-shadow: var(--shadow);
  animation: toast-in .18s ease-out;
}
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

@media (max-width: 640px) {
  .card { padding: 18px 14px; }
  .topbar { padding: 8px 12px; gap: 8px; }
  .brand { font-size: .95rem; white-space: nowrap; }
  .brand-sub { display: none; }
  .topbar-actions { flex-shrink: 0; }
  .topbar-actions .btn { white-space: nowrap; }
  /* keep the coffee cup, drop its label, so three buttons still fit */
  .topbar .btn.coffee { padding: 6px 10px; }
  .topbar .btn.coffee .coffee-text { display: none; }
  .topbar .btn.coffee .coffee-ico { margin-right: 0; }
  .logo-panel { grid-template-columns: 1fr; }
  .out-actions { flex-direction: row; }
  .totals { justify-content: stretch; }
  .tot-line { gap: 16px; }
}