:root {
  color-scheme: dark;
  --bg: #060606;
  --panel: #101010;
  --panel-2: #171717;
  --ink: #f7f2e9;
  --muted: #aaa39a;
  --line: rgba(247, 242, 233, 0.16);
  --line-strong: rgba(247, 242, 233, 0.36);
  --accent: #d9a441;
  --blue: #76b7c8;
  --red: #d85c45;
  --paper: #f8f5ef;
  --paper-ink: #17130f;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 3vw, 2rem);
  border-bottom: 1px solid var(--line);
  background: rgba(6, 6, 6, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
}

.brand img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.app-nav {
  display: flex;
  gap: clamp(0.75rem, 2vw, 1.4rem);
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.quote-app {
  padding: clamp(1rem, 3vw, 2rem);
}

.app-intro {
  max-width: 70rem;
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.kicker {
  margin: 0 0 0.7rem;
  color: var(--accent);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 14ch;
  margin-bottom: 1rem;
  font-size: clamp(2.8rem, 7vw, 6.8rem);
  line-height: 0.9;
}

.app-intro p:not(.kicker) {
  max-width: 48rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  line-height: 1.6;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(24rem, 0.9fr) minmax(28rem, 1.1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
  align-items: start;
}

.connection {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(22rem, 1.15fr);
  gap: 1rem;
  align-items: end;
  margin-bottom: 1rem;
  padding: clamp(1rem, 2vw, 1.5rem);
}

.connection h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 3rem);
  line-height: 1;
}

.connection p:not(.kicker) {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.connection-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr) auto;
  gap: 0.7rem;
  align-items: end;
}

.panel,
.preview {
  border: 1px solid var(--line);
  background: var(--panel);
}

.editor {
  display: grid;
  gap: 1rem;
  padding: clamp(1rem, 2vw, 1.5rem);
}

.preview {
  position: sticky;
  top: 5rem;
  padding: clamp(0.75rem, 1.6vw, 1.25rem);
}

.panel-heading {
  padding-top: 0.5rem;
}

.panel-heading h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.8rem);
  line-height: 1;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.span-2 {
  grid-column: 1 / -1;
}

label,
.field-label {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #0a0a0a;
  color: var(--ink);
  padding: 0.75rem;
  outline: none;
}

textarea {
  resize: vertical;
  line-height: 1.5;
  text-transform: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
}

.row-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.catalog-toolbar,
.preview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tab,
.button {
  min-height: 2.55rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #0b0b0b;
  color: var(--ink);
  padding: 0 0.8rem;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tab.is-active,
.button.primary {
  border-color: var(--ink);
  background: var(--ink);
  color: #070707;
}

.button.secondary {
  justify-self: start;
  border-color: var(--line-strong);
}

.catalog {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.catalog-item,
.line-item {
  border: 1px solid var(--line);
  background: var(--panel-2);
  padding: 0.85rem;
}

.catalog-item {
  display: grid;
  gap: 0.8rem;
}

.catalog-item header,
.line-main {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
}

.catalog-item h3,
.line-main h3 {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.25;
}

.catalog-item p,
.line-main p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.price {
  white-space: nowrap;
  color: var(--accent);
  font-size: 0.82rem;
}

.muted {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.new-item {
  border: 1px solid var(--line);
  padding: 0.9rem;
  background: #0b0b0b;
}

.new-item summary {
  cursor: pointer;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.new-item .form-grid {
  margin: 1rem 0;
}

.line-items {
  display: grid;
  gap: 0.65rem;
}

.history-panel {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.history-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.history-list {
  display: grid;
  gap: 0.55rem;
}

.history-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--panel-2);
  padding: 0.85rem;
}

.history-card strong {
  display: block;
}

.history-card span {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.line-item {
  display: grid;
  gap: 0.8rem;
}

.line-controls {
  display: grid;
  grid-template-columns: 5rem 1fr 1fr auto;
  gap: 0.55rem;
  align-items: end;
}

.line-controls button {
  min-width: 2.75rem;
  min-height: 2.75rem;
  border: 1px solid rgba(216, 92, 69, 0.55);
  background: transparent;
  color: var(--red);
}

.preview-actions {
  margin-bottom: 0.9rem;
}

.quote-sheet {
  min-height: 58rem;
  background: var(--paper);
  color: var(--paper-ink);
  padding: clamp(1rem, 3vw, 2rem);
}

.quote-head,
.quote-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.quote-head {
  padding-bottom: 1.4rem;
  border-bottom: 1px solid rgba(23, 19, 15, 0.18);
}

.quote-head img {
  width: 4rem;
  height: 4rem;
  object-fit: contain;
  filter: invert(1);
}

.quote-head p {
  margin: 0 0 0.2rem;
  color: rgba(23, 19, 15, 0.58);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.quote-head h2 {
  margin: 0;
  font-size: 1.6rem;
}

.quote-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.quote-meta div,
.totals div {
  border-top: 1px solid rgba(23, 19, 15, 0.16);
  padding-top: 0.6rem;
}

.quote-meta span,
.totals span {
  display: block;
  margin-bottom: 0.25rem;
  color: rgba(23, 19, 15, 0.56);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.quote-meta strong,
.quote-meta small {
  display: block;
}

.quote-block {
  margin: 1.5rem 0;
}

.quote-block h3 {
  margin-bottom: 0.65rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.quote-block p {
  color: rgba(23, 19, 15, 0.72);
  line-height: 1.55;
  white-space: pre-wrap;
}

.quote-table {
  display: grid;
  border-top: 1px solid rgba(23, 19, 15, 0.18);
}

.quote-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 4rem 6rem 7rem;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(23, 19, 15, 0.12);
  align-items: start;
}

.quote-row.header {
  color: rgba(23, 19, 15, 0.58);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.quote-row strong {
  display: block;
}

.quote-row small {
  display: block;
  margin-top: 0.2rem;
  color: rgba(23, 19, 15, 0.55);
}

.money,
.number {
  text-align: right;
}

.totals {
  display: grid;
  gap: 0.55rem;
  margin-left: auto;
  max-width: 22rem;
}

.totals div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.totals .grand {
  border-top-color: rgba(23, 19, 15, 0.48);
  font-size: 1.3rem;
}

.quote-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(23, 19, 15, 0.18);
  color: rgba(23, 19, 15, 0.55);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (max-width: 1080px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .preview {
    position: static;
  }
}

@media (max-width: 680px) {
  .app-nav {
    display: none;
  }

  .form-grid,
  .row-controls,
  .catalog,
  .connection,
  .connection-fields,
  .quote-meta {
    grid-template-columns: 1fr;
  }

  .span-2 {
    grid-column: auto;
  }

  .line-controls,
  .quote-row {
    grid-template-columns: 1fr;
  }

  .money,
  .number {
    text-align: left;
  }

  .quote-head,
  .quote-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media print {
  body {
    background: white;
  }

  .app-header,
  .app-intro,
  .editor,
  .no-print {
    display: none !important;
  }

  .quote-app,
  .preview,
  .workspace,
  .quote-sheet {
    display: block;
    width: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    background: white;
  }

  .quote-sheet {
    min-height: auto;
    color: #17130f;
    padding: 1.2cm;
  }
}