:root {
  --navy: #0e2245;
  --navy-700: #16335f;
  --navy-300: #4a5b78;
  --accent: #0f6fb0;
  --accent-soft: #eef6fb;
  --ink: #0e1c33;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f4f6f9;
  --card: #ffffff;
  --ok: #0f7a4d;
  --ok-soft: #e7f6ee;
  --warn: #9a6207;
  --warn-soft: #fdf5e4;
  --err: #b42318;
  --err-soft: #fdeceb;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 14px rgba(15, 23, 42, .05);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

/* ------------------------------------------------------------------ layout */

.topbar {
  background: var(--navy);
  color: #fff;
  border-bottom: 3px solid var(--accent);
}
.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 58px;
  flex-wrap: wrap;
}
.brand { font-weight: 700; letter-spacing: .3px; color: #fff; font-size: 16px; }
.brand:hover { text-decoration: none; }
.brand small { display: block; font-weight: 400; font-size: 11px; color: #9db4d4; letter-spacing: .4px; }

.nav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: 8px; }
.nav a {
  color: #c8d8ee;
  padding: 7px 12px;
  border-radius: 7px;
  font-size: 14px;
  white-space: nowrap;
}
.nav a:hover { background: rgba(255,255,255,.1); color: #fff; text-decoration: none; }
.nav a.on { background: rgba(255,255,255,.16); color: #fff; font-weight: 600; }

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.who { font-size: 13px; color: #9db4d4; }
.company-chip {
  background: rgba(255,255,255,.13);
  border: 1px solid rgba(255,255,255,.22);
  color: #fff;
  padding: 5px 11px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}
.company-chip:hover { background: rgba(255,255,255,.22); text-decoration: none; }

main { max-width: 1180px; margin: 0 auto; padding: 24px 20px 64px; }

.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 18px;
}
h1 { font-size: 23px; margin: 0; letter-spacing: -.2px; }
h2 { font-size: 17px; margin: 0 0 14px; }
h3 { font-size: 14px; margin: 0 0 10px; text-transform: uppercase; letter-spacing: .6px; color: var(--navy-300); }
.sub { color: var(--muted); font-size: 13px; margin: 4px 0 0; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 18px;
}
.card.tight { padding: 0; overflow: hidden; }
.card-head {
  padding: 15px 20px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.card-head h2 { margin: 0; }

.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: 1fr 1fr; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.sidebar { grid-template-columns: minmax(0,1fr) 320px; align-items: start; }
@media (max-width: 900px) {
  .grid.two, .grid.three, .grid.sidebar { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------------- forms */

label { display: block; font-size: 12.5px; font-weight: 600; color: var(--navy-300); margin-bottom: 5px; letter-spacing: .2px; }
.field { margin-bottom: 14px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=file], select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  transition: border-color .12s, box-shadow .12s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15,111,176,.13);
}
textarea { resize: vertical; min-height: 72px; line-height: 1.5; }
input[readonly] { background: #f1f5f9; color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1 1 160px; }

.check { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.check input { width: auto; }
.check label { margin: 0; font-weight: 500; color: var(--ink); }

/* ----------------------------------------------------------------- buttons */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--navy);
  color: #fff;
  font: inherit; font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: background .12s, border-color .12s;
  white-space: nowrap;
}
.btn:hover { background: var(--navy-700); text-decoration: none; color: #fff; }
.btn.accent { background: var(--accent); }
.btn.accent:hover { background: #0c5d95; }
.btn.ghost { background: #fff; color: var(--navy); border-color: #cbd5e1; }
.btn.ghost:hover { background: #f8fafc; color: var(--navy); }
.btn.danger { background: #fff; color: var(--err); border-color: #f3c6c2; }
.btn.danger:hover { background: var(--err-soft); color: var(--err); }
.btn.sm { padding: 6px 11px; font-size: 13px; }
.btn.link { background: none; color: var(--accent); border: none; padding: 4px; font-weight: 500; }
.btn.link:hover { background: none; text-decoration: underline; color: var(--accent); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.actions { display: flex; gap: 9px; flex-wrap: wrap; align-items: center; }

/* ------------------------------------------------------------------ tables */

table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th {
  text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .6px;
  color: var(--navy-300); padding: 11px 14px; border-bottom: 1px solid var(--line); background: #f8fafc;
  white-space: nowrap;
}
table.data td { padding: 12px 14px; border-bottom: 1px solid #eef2f7; vertical-align: top; }
table.data tr:last-child td { border-bottom: none; }
table.data tbody tr:hover { background: #fafcfe; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.nowrap { white-space: nowrap; }

.empty { padding: 44px 20px; text-align: center; color: var(--muted); }
.empty p { margin: 0 0 14px; }

/* ------------------------------------------------------------------- misc */

.badge {
  display: inline-block; padding: 3px 9px; border-radius: 20px;
  font-size: 11.5px; font-weight: 700; letter-spacing: .4px; text-transform: uppercase;
}
.badge.issued { background: var(--accent-soft); color: var(--accent); }
.badge.sent { background: #ede9fe; color: #6d28d9; }
.badge.paid { background: var(--ok-soft); color: var(--ok); }
.badge.cancelled { background: #f1f5f9; color: var(--muted); }

.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 18px; font-size: 14px; border: 1px solid; }
.flash.success { background: var(--ok-soft); border-color: #b7e3cc; color: var(--ok); }
.flash.error { background: var(--err-soft); border-color: #f3c6c2; color: var(--err); }
.flash.warn { background: var(--warn-soft); border-color: #f0dcae; color: var(--warn); }
.flash.info { background: var(--accent-soft); border-color: #bfdcf0; color: var(--accent); }

.stat { display: flex; gap: 26px; flex-wrap: wrap; }
.stat div span { display: block; font-size: 11.5px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); }
.stat div strong { font-size: 19px; font-variant-numeric: tabular-nums; }

.tabs { display: flex; gap: 3px; border-bottom: 1px solid var(--line); margin-bottom: 20px; flex-wrap: wrap; }
.tabs a {
  padding: 9px 15px; font-size: 14px; font-weight: 600; color: var(--muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs a:hover { color: var(--navy); text-decoration: none; }
.tabs a.on { color: var(--accent); border-bottom-color: var(--accent); }

.kv { display: grid; grid-template-columns: minmax(90px, 40%) 1fr; gap: 7px 14px; font-size: 14px; }
.kv dt { color: var(--muted); font-size: 13px; }
.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

/* Long IBANs / account numbers must wrap instead of escaping their card. */
.card .mono, .sub.mono, .kv .mono { overflow-wrap: anywhere; }

/* Floating save bar: reads as a toolbar, and the form reserves room below
   the last card so nothing is hidden once you scroll to the end. */
form .grid.sidebar { padding-bottom: 86px; }
.form-actions {
  position: sticky;
  bottom: 16px;
  z-index: 20;
  margin-top: -70px;
  padding: 13px 18px;
  box-shadow: 0 -2px 6px rgba(15,23,42,.05), 0 10px 30px rgba(15,23,42,.16);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
}

details.inline summary {
  cursor: pointer; font-size: 13px; color: var(--accent); font-weight: 600;
  list-style: none; padding: 3px 0;
}
details.inline summary::-webkit-details-marker { display: none; }
details.inline summary::before { content: "\25B8  "; }
details.inline[open] summary::before { content: "\25BE  "; }
details.inline > div { padding: 14px 0 4px; border-top: 1px solid var(--line); margin-top: 8px; }

/* ------------------------------------------------------------ auth screens */

.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; background: var(--navy); }
.auth-card { background: #fff; border-radius: 14px; padding: 34px; width: 100%; max-width: 420px; box-shadow: 0 20px 50px rgba(0,0,0,.28); }
.auth-card h1 { font-size: 20px; margin-bottom: 4px; }
.auth-card .sub { margin-bottom: 22px; }
.auth-card .btn { width: 100%; margin-top: 6px; }
.code-input { letter-spacing: 4px; font-size: 19px; text-align: center; font-family: ui-monospace, monospace; }

.company-pick { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.company-pick button {
  display: block; width: 100%; text-align: left; cursor: pointer;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px;
  box-shadow: var(--shadow); font: inherit; transition: border-color .12s, transform .12s;
}
.company-pick button:hover { border-color: var(--accent); transform: translateY(-2px); }
.company-pick strong { display: block; font-size: 17px; color: var(--navy); margin-bottom: 4px; }
.company-pick span { font-size: 13px; color: var(--muted); display: block; }
.company-pick .meta { margin-top: 12px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 10px; }

.qr { text-align: center; padding: 16px; background: #f8fafc; border-radius: 10px; border: 1px solid var(--line); }
.qr img { max-width: 220px; width: 100%; }
.secret {
  font-family: ui-monospace, monospace; font-size: 13px; word-break: break-all;
  background: #f1f5f9; padding: 9px 12px; border-radius: 7px; margin-top: 10px; text-align: center;
}

.codes {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  background: #f8fafc; border: 1px solid var(--line); border-radius: 10px; padding: 16px;
}
.codes span {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 15px; letter-spacing: .5px; text-align: center;
  background: #fff; border: 1px solid var(--line); border-radius: 7px; padding: 8px 4px;
}
@media (max-width: 460px) { .codes { grid-template-columns: 1fr; } }

/* --------------------------------------------------------- invoice builder */

.items-table { width: 100%; border-collapse: collapse; }
.items-table th {
  text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .6px;
  color: var(--navy-300); padding: 0 8px 7px; font-weight: 700;
}
.items-table td { padding: 5px 8px 5px 0; vertical-align: top; }
.items-table td:last-child { padding-right: 0; }
.item-row { border-bottom: 1px solid #eef2f7; }
.item-row > td { padding-bottom: 12px; padding-top: 12px; }
.item-amount { font-weight: 700; font-variant-numeric: tabular-nums; padding-top: 18px; display: block; text-align: right; }
.drop {
  position: absolute; z-index: 40; background: #fff; border: 1px solid var(--line);
  border-radius: 9px; box-shadow: 0 10px 30px rgba(15,23,42,.14); max-height: 270px; overflow-y: auto;
  min-width: 280px; margin-top: 2px;
}
.drop button {
  display: block; width: 100%; text-align: left; background: none; border: none;
  padding: 9px 13px; cursor: pointer; font: inherit; font-size: 13.5px; border-bottom: 1px solid #f1f5f9;
}
.drop button:last-child { border-bottom: none; }
.drop button:hover, .drop button.hi { background: var(--accent-soft); }
.drop b { display: block; color: var(--ink); font-size: 14px; }
.drop small { color: var(--muted); font-size: 12px; display: block; margin-top: 1px; }
.pos { position: relative; }

.totals { margin-top: 18px; display: flex; justify-content: flex-end; }
.totals dl { display: grid; grid-template-columns: auto 140px; gap: 9px 22px; margin: 0; min-width: 300px; }
.totals dt { color: var(--muted); font-size: 14px; }
.totals dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.totals .grand dt, .totals .grand dd {
  font-size: 18px; font-weight: 700; color: var(--navy);
  border-top: 2px solid var(--navy); padding-top: 11px; margin-top: 3px;
}

.sticky-actions {
  position: sticky; bottom: 0; background: rgba(255,255,255,.97); backdrop-filter: blur(6px);
  border-top: 1px solid var(--line); padding: 14px 20px; margin: 20px -20px -20px;
  display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap;
  border-radius: 0 0 var(--radius) var(--radius);
}

.file-links { display: flex; gap: 10px; flex-wrap: wrap; }
.file-link {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px;
  border: 1px solid var(--line); border-radius: 9px; background: #fff; font-size: 14px; font-weight: 600;
}
.file-link:hover { border-color: var(--accent); text-decoration: none; }
.file-link .ext {
  font-size: 10.5px; font-weight: 800; letter-spacing: .5px; padding: 3px 7px;
  border-radius: 4px; background: var(--navy); color: #fff;
}
.file-link .ext.pdf { background: var(--err); }
.file-link.off { opacity: .45; pointer-events: none; }

.logo-preview { max-height: 64px; max-width: 220px; background: #f8fafc; border: 1px solid var(--line); border-radius: 8px; padding: 8px; }

@media print {
  .topbar, .sticky-actions, .actions, .no-print { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; border: none; }
}