:root {
  color-scheme: light;
  --bg: #f5f5f6;
  --surface: #ffffff;
  --surface-soft: #f8f8f9;
  --glass: rgba(255, 255, 255, 0.48);
  --glass-strong: rgba(255, 255, 255, 0.64);
  --glass-soft: rgba(255, 255, 255, 0.28);
  --text: #2f3136;
  --muted: #6c717c;
  --line: rgba(47, 49, 54, 0.16);
  --line-strong: rgba(47, 49, 54, 0.26);
  --accent: #d39b3d;
  --accent-soft: rgba(211, 155, 61, 0.16);
  --blue: #2f78c4;
  --red: #be3a3a;
  --green: #1f7a47;
  --purple: #7b4acb;
  --shadow: 0 12px 34px rgba(26, 28, 34, 0.09);
  --glass-shadow: 0 12px 34px rgba(26, 28, 34, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.58);
  --font: "SF Pro Display", "Avenir Next", "Helvetica Neue", "Segoe UI", sans-serif;
}

html[data-theme='dark'] {
  color-scheme: dark;
  --bg: #17191d;
  --surface: #292d33;
  --surface-soft: #343941;
  --glass: rgba(28, 31, 37, 0.74);
  --glass-strong: rgba(38, 42, 49, 0.82);
  --glass-soft: rgba(255, 255, 255, 0.035);
  --text: #f2f3f5;
  --muted: #b8bdc7;
  --line: rgba(255, 255, 255, 0.13);
  --line-strong: rgba(255, 255, 255, 0.24);
  --accent-soft: rgba(211, 155, 61, 0.24);
  --shadow: 0 14px 38px rgba(0, 0, 0, 0.28);
  --glass-shadow: 0 14px 38px rgba(0, 0, 0, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.045);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  min-height: 100dvh;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, transparent) 0%, transparent 34%),
    linear-gradient(225deg, color-mix(in srgb, var(--blue) 10%, transparent) 0%, transparent 36%),
    linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--bg) 86%, var(--surface-soft) 14%));
  color: var(--text);
  font-family: var(--font);
  overflow: hidden;
}

.invoice-shell {
  width: min(100%, 1540px);
  height: 100dvh;
  min-height: 0;
  margin: 0 auto;
  padding: max(12px, env(safe-area-inset-top)) 12px max(18px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 10px;
  overflow: hidden;
}

.invoice-shell,
.editor-panel {
  transition: filter 160ms ease;
}

.topbar, .toolbar, .summary-grid article, .table-panel, .editor-panel {
  border: 1px solid color-mix(in srgb, var(--line) 78%, rgba(255, 255, 255, 0.5) 22%);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--glass-strong) 82%, transparent 18%), var(--glass)),
    var(--surface);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(26px) saturate(1.35);
  -webkit-backdrop-filter: blur(26px) saturate(1.35);
}

.topbar {
  min-height: 72px;
  border-radius: 16px;
  padding: 10px 12px;
  display: grid;
  grid-template-columns: minmax(220px, max-content) minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.brand { display: flex; align-items: center; gap: 14px; min-width: 0; color: inherit; text-decoration: none; }
.logo { width: 172px; max-width: 32vw; height: auto; flex: 0 0 auto; }
.logo-light { display: none; }
html[data-theme='dark'] .logo-dark { display: none; }
html[data-theme='dark'] .logo-light { display: block; }
h1, h2, h3, p { margin: 0; }
h1 {
  font-size: 1.18rem;
  font-weight: 560;
}
h2 {
  font-weight: 560;
}
h3 {
  font-weight: 540;
}
.brand p { margin-top: 3px; color: var(--muted); font-size: 0.86rem; }

.icon-btn, .primary-btn, .secondary-btn, .mini-btn, .danger-btn, input, select, button {
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--glass-strong) 84%, transparent 16%), var(--glass-soft));
  color: var(--text);
  font: inherit;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.34), 0 8px 22px rgba(26, 28, 34, 0.06);
}

.icon-btn {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
}
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn:hover,
.icon-text-btn:hover,
.mini-btn:hover,
.row-icon-btn:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 42%, var(--line-strong) 58%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.42), 0 12px 28px rgba(26, 28, 34, 0.1);
}
.topbar-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.toolbar {
  width: 100%;
  border-radius: 16px;
  padding: 12px;
  display: grid;
  grid-template-columns: minmax(340px, 1fr) minmax(170px, 220px) minmax(132px, max-content) minmax(132px, max-content);
  gap: 12px;
  align-items: end;
}

.topbar .toolbar {
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  grid-template-columns: minmax(150px, 1.4fr) minmax(105px, 0.7fr) minmax(140px, 1fr) 38px 38px minmax(0, auto);
  gap: 8px;
  align-items: center;
}

.topbar .toolbar::before {
  content: none;
}

.topbar .toolbar label {
  gap: 0;
}

.topbar .toolbar label > span,
.topbar .toolbar .icon-text-btn > span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.topbar .toolbar .icon-text-btn {
  width: 38px;
  min-width: 38px;
  padding: 0;
}

.topbar .page-feedback {
  grid-column: auto;
  justify-self: end;
  max-width: 190px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.is-hidden { display: none !important; }

.supplier-field { position: relative; }
.supplier-suggestions {
  position: absolute;
  z-index: 40;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  display: grid;
  gap: 3px;
  max-height: 220px;
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.supplier-suggestions button {
  min-height: 36px;
  padding: 7px 9px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}
.supplier-suggestions button:hover,
.supplier-suggestions button.is-active {
  background: var(--accent-soft);
}

label { display: grid; gap: 5px; color: var(--muted); font-size: 0.78rem; font-weight: 650; }
input, select {
  width: 100%;
  min-width: 0;
  height: 38px;
  padding: 8px 10px;
  font-size: 0.9rem;
  transition: border-color 140ms ease, box-shadow 140ms ease, background 140ms ease;
}
input:focus, select:focus, button:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 64%, var(--line-strong) 36%);
  background: var(--glass-strong);
  box-shadow: 0 0 0 4px var(--accent-soft), inset 0 1px 0 rgba(255, 255, 255, 0.48);
}

.primary-btn, .secondary-btn, .danger-btn, .mini-btn {
  min-height: 38px;
  padding: 0 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease, filter 140ms ease;
}
.primary-btn {
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 92%, white 8%), color-mix(in srgb, var(--accent) 72%, #2f3136 28%));
  border-color: color-mix(in srgb, var(--accent) 86%, white 14%);
  color: #1f1b13;
}
.danger-btn { color: var(--red); }
.mini-btn { min-height: 30px; font-size: 0.8rem; }
.icon-text-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.icon-text-btn svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}
.page-feedback {
  align-self: center;
  justify-self: end;
  margin: 0;
  min-height: 0;
  text-align: right;
  grid-column: 1 / -1;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}
.summary-grid article {
  border-radius: 16px;
  min-height: 72px;
  padding: 10px 12px;
  display: grid;
  align-content: space-between;
  gap: 6px;
  position: relative;
  overflow: hidden;
}
.summary-grid article::before,
.topbar::before,
.toolbar::before,
.table-panel::before,
.editor-panel::before {
  content: "";
  position: absolute;
  inset: 1px;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.34), transparent 38%);
  opacity: 0.72;
}

html[data-theme='dark'] .summary-grid article::before,
html[data-theme='dark'] .topbar::before,
html[data-theme='dark'] .toolbar::before,
html[data-theme='dark'] .table-panel::before,
html[data-theme='dark'] .editor-panel::before {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 34%);
  opacity: 0.42;
}
.topbar,
.toolbar,
.table-panel,
.editor-panel { position: relative; }
.topbar > *,
.toolbar > *,
.table-panel > *,
.editor-panel > *,
.summary-grid article > * {
  position: relative;
  z-index: 1;
}
.summary-grid span { color: var(--muted); font-size: 0.78rem; font-weight: 560; }
.summary-grid strong { font-size: 1.04rem; line-height: 1.1; }

.workspace {
  min-height: 0;
  display: block;
  overflow: hidden;
}

.table-panel {
  min-width: 0;
  min-height: 0;
  height: 100%;
  border-radius: 18px;
  overflow: hidden;
}
.invoice-groups {
  height: 100%;
  max-height: none;
  overflow: auto;
  padding: 10px;
  overscroll-behavior: contain;
}
.empty-state {
  min-height: 180px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--line-strong);
  border-radius: 14px;
  background: color-mix(in srgb, var(--glass) 74%, transparent);
  color: var(--muted);
  font-size: 0.92rem;
}
.month-group { display: grid; gap: 8px; margin-bottom: 14px; }
.exercise-group { display: grid; gap: 12px; margin-bottom: 18px; }
.exercise-head {
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: linear-gradient(135deg, var(--glass-strong), var(--glass-soft));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32);
  padding: 11px 12px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-weight: 580;
}
.exercise-head span:last-child { color: var(--muted); font-size: 0.86rem; font-weight: 520; }
.month-head {
  background: linear-gradient(135deg, color-mix(in srgb, var(--glass-strong) 86%, var(--accent) 14%), var(--glass-soft));
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 9px 10px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-weight: 570;
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(24px) saturate(1.35);
  -webkit-backdrop-filter: blur(24px) saturate(1.35);
  box-shadow: 0 8px 22px rgba(26, 28, 34, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.month-head span:last-child { color: var(--muted); font-size: 0.86rem; }
.month-head-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
  border-radius: 14px;
}

.invoice-table {
  width: 100%;
  min-width: 1080px;
  border-collapse: collapse;
  background: color-mix(in srgb, var(--glass-strong) 72%, var(--surface) 28%);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.invoice-table th, .invoice-table td {
  border-bottom: 1px solid var(--line);
  padding: 8px 9px;
  text-align: left;
  font-size: 0.86rem;
  white-space: nowrap;
  vertical-align: middle;
}
.invoice-table tbody tr:last-child td {
  border-bottom: 0;
}
.invoice-table th {
  background: color-mix(in srgb, var(--glass-strong) 78%, var(--surface-soft) 22%);
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
}
.invoice-table tr { cursor: pointer; }
.invoice-table tr { transition: background 140ms ease, box-shadow 140ms ease; }
.invoice-table tr:hover { background: color-mix(in srgb, var(--accent-soft) 38%, var(--glass-soft) 62%); }
.invoice-table tr:focus {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
.invoice-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.invoice-table .flag-cell,
.invoice-table .flag-head {
  text-align: center;
}
.invoice-table th.flag-head {
  text-align: center;
}
.flag-cell {
  width: 76px;
  min-width: 76px;
}
.status-dot {
  width: 10px;
  height: 10px;
  display: inline-block;
  border-radius: 999px;
  box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 13%, transparent);
}
.status-dot.is-on { color: var(--green); background: var(--green); }
.status-dot.is-off { color: var(--red); background: var(--red); }
.closure-dot-btn {
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  box-shadow: none;
  cursor: pointer;
}
.closure-dot-btn:hover {
  background: color-mix(in srgb, var(--red) 12%, transparent);
}
.closure-dot-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--red) 18%, transparent);
}
.action-cell { width: 44px; text-align: center; }
.row-icon-btn {
  width: 32px;
  height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.row-icon-btn svg { width: 18px; height: 18px; }
.danger-icon { color: var(--red); }
.muted { color: var(--muted); }

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  color: var(--text);
  font-size: 0.76rem;
  font-weight: 620;
  border: 1px solid currentColor;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 6px 16px rgba(26, 28, 34, 0.08);
  backdrop-filter: blur(14px) saturate(1.25);
  -webkit-backdrop-filter: blur(14px) saturate(1.25);
}
.status-pending { color: var(--blue); background: linear-gradient(135deg, color-mix(in srgb, var(--blue) 20%, var(--glass-strong) 80%), var(--glass-soft)); }
.status-overdue { color: var(--red); background: linear-gradient(135deg, color-mix(in srgb, var(--red) 20%, var(--glass-strong) 80%), var(--glass-soft)); }
.status-paid { color: var(--green); background: linear-gradient(135deg, color-mix(in srgb, var(--green) 20%, var(--glass-strong) 80%), var(--glass-soft)); }
.status-draft { color: var(--purple); background: linear-gradient(135deg, color-mix(in srgb, var(--purple) 20%, var(--glass-strong) 80%), var(--glass-soft)); }

.editor-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: max(14px, env(safe-area-inset-top)) 14px max(14px, env(safe-area-inset-bottom));
  background: rgba(18, 20, 24, 0.34);
}

body.modal-open {
  overflow: hidden;
}

body.modal-open .invoice-shell {
  filter: blur(12px) saturate(0.92) brightness(0.94);
  pointer-events: none;
  user-select: none;
}

.editor-panel {
  min-width: 0;
  width: min(920px, 100%);
  max-height: min(860px, calc(100dvh - 28px));
  overflow: auto;
  border-radius: 18px;
  padding: 16px;
  display: grid;
  align-content: start;
  gap: 12px;
}
.editor-panel h2 {
  letter-spacing: 0;
}
.editor-head, .section-line, .totals-line, .editor-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.editor-close { font-size: 1.35rem; }
.editor-close svg { width: 20px; height: 20px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.editor-section {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px;
  display: grid;
  gap: 8px;
  background: color-mix(in srgb, var(--glass-soft) 74%, var(--surface-soft) 26%);
}
.line-list { display: grid; gap: 8px; }
.vat-row, .allocation-row {
  display: grid;
  grid-template-columns: minmax(100px, 1fr) minmax(100px, 1fr) 92px 34px;
  gap: 8px;
  align-items: end;
}
.allocation-row { grid-template-columns: 132px minmax(130px, 1fr) minmax(135px, 1fr) minmax(95px, 0.8fr) 92px 34px; }
.remove-line {
  width: 34px;
  height: 38px;
  padding: 0;
  color: var(--red);
  font-weight: 620;
  cursor: pointer;
}
.totals-line { color: var(--muted); font-size: 0.88rem; }
.check-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(190px, 1fr));
  gap: 10px 12px;
  align-items: center;
}
.check-row label {
  grid-template-columns: 18px 1fr;
  display: grid;
  align-items: center;
  gap: 8px;
  color: var(--text);
}
.check-row input { height: 18px; padding: 0; }
.feedback { min-height: 20px; color: var(--muted); font-size: 0.85rem; }
.feedback.is-error { color: var(--red); }

@media (max-width: 980px) {
  body { overflow: auto; }
  body.modal-open {
    overflow: hidden;
  }
  .invoice-shell {
    height: auto;
    min-height: 100dvh;
    grid-template-rows: auto auto auto;
    overflow: visible;
  }
  .topbar {
    grid-template-columns: 1fr auto;
  }
  .topbar .toolbar {
    grid-column: 1 / -1;
    grid-row: 2;
    grid-template-columns: minmax(110px, 1.4fr) minmax(88px, 0.72fr) minmax(120px, 1fr) 38px 38px;
    align-items: center;
    gap: 6px;
    padding-top: 2px;
  }
  .topbar .toolbar label { gap: 0; min-width: 0; }
  .topbar .toolbar .icon-text-btn {
    width: 38px;
    min-width: 38px;
    padding: 0;
  }
  .topbar .page-feedback {
    grid-column: 1 / -1;
    justify-self: stretch;
    max-width: none;
    text-align: left;
    white-space: normal;
  }
  .workspace, .table-panel {
    overflow: visible;
  }
  .table-panel {
    height: auto;
  }
  .summary-grid { grid-template-columns: repeat(3, 1fr); }
  .invoice-groups, .editor-panel { max-height: none; }
  .invoice-groups {
    height: auto;
    overflow: visible;
  }
  .editor-overlay {
    place-items: start center;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }
  .editor-panel {
    width: min(760px, 100%);
    max-height: none;
    overflow: visible;
  }
}

@media (max-width: 700px), (prefers-reduced-transparency: reduce) {
  * {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
}

@media (max-width: 620px) {
  body { overflow: auto; }
  .invoice-shell { padding-inline: 8px; }
  .topbar { grid-template-columns: 1fr auto; }
  .logo { display: none; }
  .toolbar { grid-template-columns: 1fr; }
  .topbar { padding: 8px; gap: 7px; }
  .topbar .toolbar {
    grid-template-columns: minmax(72px, 1.35fr) minmax(62px, 0.72fr) minmax(82px, 1fr) 34px 34px;
    gap: 4px;
  }
  .topbar .toolbar input,
  .topbar .toolbar select {
    height: 34px;
    padding: 6px 7px;
    font-size: 0.72rem;
  }
  .topbar .toolbar .icon-text-btn {
    width: 34px;
    min-width: 34px;
    height: 34px;
  }
  .topbar .toolbar .icon-text-btn svg { width: 16px; height: 16px; }
  .form-grid, .check-row { grid-template-columns: 1fr; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .allocation-row { grid-template-columns: 1fr 1fr; }
  .vat-row { grid-template-columns: 1fr 1fr; }
  .vat-row .remove-line { grid-column: 2; justify-self: end; }
  .allocation-row .remove-line { grid-column: 2; justify-self: end; }
}