:root {
  --bg: #e8edf7;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-solid: #ffffff;
  --text: #0b1220;
  --muted: #50607a;
  --line: rgba(11, 18, 32, 0.12);
  --line-strong: rgba(11, 18, 32, 0.18);
  --primary: #0071e3;
  --primary-strong: #005ec2;
  --danger: #d4332d;
  --ok: #0a8a56;
  --pending: #4568ff;
  --warn: #b97800;
  --shadow: 0 16px 46px rgba(16, 29, 52, 0.16);
  --radius-xl: 28px;
  --radius-lg: 18px;
  --radius-md: 13px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "SF Pro Text", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 8%, rgba(68, 142, 255, 0.34), transparent 32%),
    radial-gradient(circle at 92% 92%, rgba(0, 198, 140, 0.18), transparent 28%),
    linear-gradient(160deg, #eef3fc 0%, var(--bg) 45%, #dde7f6 100%);
  padding: 20px;
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(72px);
  pointer-events: none;
  z-index: -1;
}

.orb-a {
  width: 360px;
  height: 360px;
  top: -100px;
  left: -70px;
  background: rgba(0, 113, 227, 0.3);
}

.orb-b {
  width: 360px;
  height: 360px;
  right: -100px;
  bottom: -120px;
  background: rgba(0, 186, 137, 0.22);
}

.glass {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.app-header {
  max-width: 1760px;
  margin: 0 auto 14px;
  background: var(--panel);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 4px 0 0;
  font-size: clamp(25px, 2.8vw, 36px);
  line-height: 1.15;
}

.header-subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

h2,
h3,
h4 {
  margin: 0;
}

.header-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.layout {
  max-width: 1760px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.25fr 1fr 0.95fr;
  gap: 14px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: 16px;
}

.panel-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.muted-inline {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.stack-form {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

input,
select,
button {
  font: inherit;
}

input,
select {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
}

input::placeholder {
  color: #7d8ba4;
}

input[type="file"] {
  padding: 8px;
}

input:focus,
select:focus,
button:focus {
  outline: 2px solid rgba(0, 113, 227, 0.42);
  outline-offset: 1px;
}

.grid {
  display: grid;
  gap: 8px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.btn {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  background: var(--panel-solid);
  color: var(--text);
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 120ms ease;
}

.btn:hover {
  border-color: rgba(0, 113, 227, 0.55);
  background: #f6faff;
}

.btn:active {
  transform: scale(0.985);
}

.btn-primary {
  border: 0;
  color: #fff;
  background: linear-gradient(180deg, #2192ff 0%, var(--primary) 100%);
  font-weight: 600;
}

.btn-primary:hover {
  background: linear-gradient(180deg, #1689ff 0%, var(--primary-strong) 100%);
}

.btn-small {
  font-size: 12px;
  padding: 7px 10px;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.compact-actions {
  margin: 8px 0;
}

.panel-title-row .compact-actions {
  margin: 0;
}

.invoice-items-box {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.72);
  padding: 10px;
}

.invoice-items-rows {
  display: grid;
  gap: 8px;
}

.invoice-row {
  display: grid;
  grid-template-columns: 2.3fr 0.8fr 0.8fr 1fr 0.9fr auto;
  gap: 8px;
  align-items: end;
  border: 1px solid rgba(70, 95, 132, 0.2);
  border-radius: var(--radius-md);
  background: #fff;
  padding: 8px;
}

.totals {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.76);
  padding: 10px;
}

.totals p {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.totals strong {
  color: var(--text);
  font-size: 15px;
}

.vat-summary {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.vat-summary-chip {
  background: rgba(0, 113, 227, 0.08);
  color: #16406e;
  border: 1px solid rgba(0, 113, 227, 0.2);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
}

.search-label {
  position: relative;
}

.search-action-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.search-action-row .btn {
  white-space: nowrap;
}

.lookup-status {
  margin: -2px 0 2px;
  min-height: 18px;
  font-size: 12px;
  color: #344764;
  font-weight: 500;
}

.inline-check {
  margin-top: 2px;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--text);
}

.inline-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
}

.inline-check label {
  display: inline;
  color: var(--text);
  font-size: 12px;
}

.active-person {
  border: 1px solid rgba(0, 113, 227, 0.2);
  background: rgba(242, 248, 255, 0.88);
  border-radius: var(--radius-md);
  padding: 9px;
  font-size: 13px;
  color: var(--muted);
}

.suggestions {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  right: 0;
  z-index: 30;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 24px rgba(18, 29, 53, 0.22);
  max-height: 220px;
  overflow: auto;
}

.suggestion-item {
  width: 100%;
  border: 0;
  border-bottom: 1px solid #edf0f6;
  text-align: left;
  padding: 9px 10px;
  background: #fff;
  cursor: pointer;
  font-size: 13px;
  line-height: 1.35;
}

.suggestion-item:last-child {
  border-bottom: 0;
}

.suggestion-item:hover {
  background: #f2f8ff;
}

.summary-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}

.summary-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.84);
  border-radius: var(--radius-lg);
  padding: 10px;
}

.summary-card p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.summary-card strong {
  display: block;
  margin-top: 4px;
  font-size: 19px;
}

.segmented {
  display: inline-flex;
  background: rgba(11, 18, 32, 0.08);
  padding: 3px;
  border-radius: 13px;
  margin-bottom: 10px;
}

.segmented-btn {
  border: 0;
  background: transparent;
  border-radius: 10px;
  padding: 8px 12px;
  color: var(--muted);
}

.segmented-btn.active {
  background: #fff;
  color: var(--text);
  box-shadow: 0 4px 14px rgba(16, 22, 35, 0.14);
  font-weight: 600;
}

.tab-view {
  display: none;
}

.tab-view.active {
  display: block;
}

.list-toolbar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 8px;
}

.list-toolbar-wide {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.month-group {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 8px;
  background: rgba(255, 255, 255, 0.82);
}

.month-title {
  width: 100%;
  border: 0;
  text-align: left;
  padding: 10px 12px;
  background: rgba(0, 113, 227, 0.08);
  font-weight: 600;
}

.month-items {
  padding: 8px;
}

.invoice-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  border: 1px solid #e4e9f1;
  border-radius: var(--radius-md);
  background: #fff;
  padding: 9px;
  margin-bottom: 7px;
}

.invoice-item:last-child {
  margin-bottom: 0;
}

.row-title {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.inv-meta,
.cost-meta {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.invoice-item-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.status-badge {
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid transparent;
}

.status-pending {
  background: rgba(69, 104, 255, 0.14);
  color: #1f44c4;
  border-color: rgba(69, 104, 255, 0.26);
}

.status-sent {
  background: rgba(240, 167, 38, 0.16);
  color: #8a5400;
  border-color: rgba(240, 167, 38, 0.32);
}

.status-upo,
.status-paid {
  background: rgba(10, 138, 86, 0.14);
  color: #046840;
  border-color: rgba(10, 138, 86, 0.3);
}

.status-unpaid,
.status-error {
  background: rgba(212, 51, 45, 0.13);
  color: #9f1f1a;
  border-color: rgba(212, 51, 45, 0.26);
}

.status-partial,
.status-processing {
  background: rgba(0, 113, 227, 0.12);
  color: #0f4f8d;
  border-color: rgba(0, 113, 227, 0.24);
}

.side-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.side-section {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.78);
  padding: 10px;
}

.compact-form {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--line-strong);
  gap: 8px;
}

.buyers-list {
  margin-top: 8px;
  max-height: 300px;
  overflow: auto;
  display: grid;
  gap: 6px;
}

.buyer-row {
  border: 1px solid #e4e9f1;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 8px;
}

.buyer-row p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.buyer-row-actions {
  display: flex;
  gap: 5px;
  margin-top: 6px;
  flex-wrap: wrap;
}

.cost-form,
.cost-pdf-archive,
.ksef-box {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.78);
  padding: 10px;
  margin-bottom: 10px;
}

.ksef-help {
  margin: 0 0 9px;
  color: var(--muted);
  font-size: 12px;
}

.cost-pdf-archive .inline-action {
  display: flex;
  align-items: end;
}

.preview-dialog {
  border: 0;
  border-radius: var(--radius-lg);
  width: min(980px, 94vw);
  max-height: 90vh;
  box-shadow: var(--shadow);
}

.preview-dialog::backdrop {
  background: rgba(8, 14, 26, 0.54);
}

.invoice-preview {
  font-family: "SF Pro Text", -apple-system, sans-serif;
  color: #111;
  border: 1px solid #dce4f1;
  border-radius: 12px;
  padding: 18px;
  background: #fff;
}

.invoice-preview h3,
.invoice-preview h4 {
  margin: 0 0 6px;
}

.invoice-preview p {
  margin: 2px 0;
  font-size: 14px;
}

.preview-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  border-bottom: 1px solid #e6edf8;
  margin-bottom: 12px;
  padding-bottom: 10px;
}

.invoice-preview table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.invoice-preview th,
.invoice-preview td {
  border: 1px solid #dbe4f1;
  text-align: left;
  padding: 7px;
  font-size: 13px;
}

.preview-totals {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
}

.preview-totals div {
  width: 300px;
  border: 1px solid #dfe7f4;
  border-radius: 10px;
  padding: 10px;
}

.preview-totals p {
  display: flex;
  justify-content: space-between;
  margin: 6px 0;
}

.dialog-actions {
  margin-top: 12px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

@media (max-width: 1550px) {
  .layout {
    grid-template-columns: 1.05fr 1fr;
  }

  .side-panel {
    grid-column: 1 / span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 1200px) {
  .list-toolbar-wide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .invoice-row {
    grid-template-columns: 1fr 1fr;
  }

  .invoice-row .remove-item-row-btn {
    width: 100%;
  }
}

@media (max-width: 980px) {
  body {
    padding: 12px;
  }

  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
    border-radius: 22px;
  }

  .header-actions {
    width: 100%;
  }

  .header-actions .btn {
    flex: 1;
    min-width: 130px;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .side-panel {
    grid-template-columns: 1fr;
    grid-column: auto;
  }

  .summary-row,
  .grid.three,
  .grid.two,
  .totals,
  .list-toolbar,
  .list-toolbar-wide,
  .invoice-row,
  .search-action-row {
    grid-template-columns: 1fr;
  }

  .actions,
  .invoice-item-actions {
    flex-wrap: wrap;
  }

  .panel,
  .side-section {
    border-radius: 18px;
  }

  .preview-head {
    grid-template-columns: 1fr;
  }
}