:root {
  color-scheme: light;
  --ink: #072f36;
  --ink-soft: #31565c;
  --accent: #007a91;
  --accent-bright: #0aa9b8;
  --accent-deep: #075766;
  --accent-wash: #e9f7f8;
  --canvas: #edf3f3;
  --surface: #ffffff;
  --surface-soft: #f7f9f9;
  --line: #d8e2e3;
  --line-strong: #b5c8ca;
  --success: #08745e;
  --error: #b42318;
  --shadow-panel: 0 22px 60px rgba(6, 47, 54, 0.11);
  --shadow-paper: 0 14px 40px rgba(6, 47, 54, 0.14), 0 2px 8px rgba(6, 47, 54, 0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-heading: "Figtree", var(--font-body);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--canvas);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(10, 169, 184, 0.08), transparent 38rem),
    var(--canvas);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button,
input,
textarea {
  font: inherit;
}

button,
summary,
input[type="checkbox"],
input[type="range"] {
  cursor: pointer;
}

.app-header {
  display: grid;
  grid-template-columns: minmax(220px, 310px) 1fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  max-width: 1640px;
  margin: 0 auto;
  padding: 30px clamp(20px, 4vw, 64px) 26px;
}

.brand {
  display: inline-flex;
  width: fit-content;
  border-radius: var(--radius-sm);
}

.brand:focus-visible {
  outline: 3px solid rgba(10, 169, 184, 0.36);
  outline-offset: 6px;
}

.brand img {
  display: block;
  width: min(286px, 100%);
  height: auto;
}

.header-title {
  padding-left: clamp(0px, 2vw, 30px);
  border-left: 1px solid var(--line-strong);
}

.header-kicker,
.section-index {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
legend {
  font-family: var(--font-heading);
}

h1 {
  margin: 2px 0 4px;
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.header-title p {
  max-width: 64ch;
  margin: 0;
  color: var(--ink-soft);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(390px, 0.78fr) minmax(600px, 1.22fr);
  gap: 22px;
  align-items: start;
  max-width: 1640px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 64px) 64px;
}

.editor-panel,
.preview-panel {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(181, 200, 202, 0.7);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-panel);
}

.editor-panel {
  padding-bottom: 0;
}

.preview-panel {
  position: sticky;
  top: 18px;
}

.panel-heading,
.preview-heading {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
}

.panel-heading h2,
.preview-heading h2 {
  margin: 0;
  font-size: 1.18rem;
  letter-spacing: -0.015em;
}

.live-badge,
.preview-heading > span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.live-badge > span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(8, 116, 94, 0.12);
}

.form-section {
  min-width: 0;
  margin: 0;
  padding: 22px;
  border: 0;
  border-bottom: 1px solid var(--line);
}

.form-section legend {
  float: left;
  width: 100%;
  margin: 0 0 16px;
  padding: 0;
  font-size: 1rem;
  font-weight: 700;
}

.form-section legend + * {
  clear: both;
}

.form-section-compact {
  border-bottom: 0;
}

.section-note {
  margin: -10px 0 16px;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.field,
.range-field {
  min-width: 0;
  margin-top: 14px;
}

.field:first-child,
.field-row:first-child,
.section-note + .field-grid,
legend + .field-grid {
  margin-top: 0;
}

.field label,
.range-heading label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 6px;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
}

.field label span {
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 500;
}

input:not([type="checkbox"]):not([type="range"]),
textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  outline: 0;
  background: var(--surface);
  color: var(--ink);
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

input:not([type="checkbox"]):not([type="range"]) {
  padding: 9px 11px;
}

textarea {
  min-height: 82px;
  padding: 10px 11px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #668187;
}

input:not([type="checkbox"]):not([type="range"]):focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(10, 169, 184, 0.17);
  background: #fff;
}

input:disabled {
  cursor: not-allowed;
  background: #edf1f1;
  color: #5c7479;
}

.field-row,
.field-grid {
  display: grid;
  gap: 12px;
}

.field-row-date {
  grid-template-columns: minmax(170px, 0.8fr) minmax(170px, 1.2fr);
  align-items: end;
}

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

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

.field-grid .field {
  margin-top: 0;
}

.check-control {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 9px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 600;
}

.check-control-compact {
  width: fit-content;
  min-height: 0;
  margin-top: 9px;
  justify-content: flex-start !important;
}

.check-control input {
  width: 17px;
  height: 17px;
  margin: 0;
  accent-color: var(--accent);
}

.optional-details {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}

.optional-details summary {
  padding: 11px 13px;
  color: var(--accent-deep);
  font-size: 0.8rem;
  font-weight: 700;
}

.optional-details[open] summary {
  border-bottom: 1px solid var(--line);
}

.optional-content {
  padding: 2px 13px 13px;
}

.input-action {
  display: flex;
  gap: 8px;
}

.money-input {
  position: relative;
}

.money-input > span {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 11px;
  transform: translateY(-50%);
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.money-input input {
  padding-left: 25px !important;
}

.total-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 16px;
  padding: 13px 15px;
  border-radius: var(--radius-sm);
  background: var(--accent-wash);
  color: var(--accent-deep);
  font-weight: 700;
}

.total-row output {
  font-family: var(--font-heading);
  font-size: 1.18rem;
}

.range-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.range-heading output {
  color: var(--accent-deep);
  font-size: 0.76rem;
  font-weight: 700;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.range-scale {
  display: flex;
  justify-content: space-between;
  margin-top: -2px;
  color: var(--ink-soft);
  font-size: 0.68rem;
}

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 700;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button:focus-visible {
  outline: 3px solid rgba(10, 169, 184, 0.28);
  outline-offset: 2px;
}

.button:disabled {
  cursor: wait;
  opacity: 0.62;
}

.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 18px rgba(0, 122, 145, 0.24);
}

.button-primary:hover:not(:disabled) {
  background: var(--accent-deep);
  box-shadow: 0 10px 22px rgba(0, 87, 102, 0.26);
}

.button-secondary {
  border-color: var(--accent);
  background: #fff;
  color: var(--accent-deep);
}

.button-secondary:hover:not(:disabled),
.button-quiet:hover:not(:disabled) {
  background: var(--accent-wash);
  color: var(--accent-deep);
}

.button-quiet {
  border-color: var(--line-strong);
  background: var(--surface-soft);
  color: var(--ink-soft);
}

.button-compact {
  min-height: 38px;
  padding: 7px 12px;
}

.action-bar {
  position: sticky;
  z-index: 5;
  bottom: 0;
  padding: 14px 18px 16px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 -10px 24px rgba(6, 47, 54, 0.06);
  backdrop-filter: blur(12px);
}

.action-status {
  min-height: 18px;
  margin-bottom: 7px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  text-align: right;
}

.action-status[data-state="success"] {
  color: var(--success);
}

.action-status[data-state="error"] {
  color: var(--error);
}

.action-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.paper-stage {
  overflow: auto;
  max-height: calc(100vh - 126px);
  padding: clamp(16px, 3vw, 34px);
  background:
    linear-gradient(rgba(255, 255, 255, 0.44), rgba(255, 255, 255, 0.44)),
    var(--canvas);
}

.document {
  width: min(100%, 820px);
  min-height: 980px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 54px);
  background: #fff;
  box-shadow: var(--shadow-paper);
  color: #142e32;
  font-size: clamp(0.72rem, 1vw, 0.88rem);
}

.doc-header {
  display: grid;
  grid-template-columns: minmax(180px, 260px) 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--accent);
}

.doc-header-logo img {
  display: block;
  width: 100%;
  height: auto;
}

.doc-header-text {
  text-align: right;
}

.doc-header-text h2 {
  margin: 0 0 4px;
  color: var(--ink);
  font-size: 1rem;
}

.doc-header-text p {
  margin: 2px 0;
  color: #476267;
  font-size: 0.76rem;
}

.doc-title {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.doc-block {
  break-inside: avoid;
  margin-bottom: 10px;
  padding: 12px 14px;
  border: 1px solid #d7e3e4;
  border-radius: 6px;
  background: #f8fafa;
}

.doc-block-title {
  margin-bottom: 5px;
  color: var(--accent-deep);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.document p {
  margin: 3px 0;
  line-height: 1.45;
}

.document ul {
  margin: 5px 0;
  padding-left: 19px;
}

.document li + li {
  margin-top: 3px;
}

.document a {
  color: var(--accent-deep);
}

.monto-list {
  width: min(100%, 360px);
  margin: 6px 0 8px !important;
  padding: 0 !important;
  list-style: none;
}

.monto-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.monto-value {
  min-width: 112px;
  text-align: right;
}

.firma {
  margin-top: 42px;
  text-align: right;
}

.firma-linea {
  width: 240px;
  margin: 0 0 6px auto;
  border-top: 1px solid #789095;
}

@media (max-width: 1120px) {
  .app-header {
    grid-template-columns: minmax(190px, 260px) 1fr;
  }

  .workspace {
    grid-template-columns: minmax(340px, 0.9fr) minmax(500px, 1.1fr);
  }

  .field-grid-3 {
    grid-template-columns: 1fr;
  }

  .doc-header {
    grid-template-columns: minmax(150px, 220px) 1fr;
  }
}

@media (max-width: 880px) {
  .app-header {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .header-title {
    padding: 18px 0 0;
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

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

  .preview-panel {
    position: static;
  }

  .paper-stage {
    max-height: none;
  }
}

@media (max-width: 560px) {
  .app-header,
  .workspace {
    padding-right: 14px;
    padding-left: 14px;
  }

  .app-header {
    padding-top: 22px;
  }

  .panel-heading,
  .preview-heading,
  .form-section {
    padding-right: 16px;
    padding-left: 16px;
  }

  .panel-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .field-row-date,
  .field-grid-2 {
    grid-template-columns: 1fr;
  }

  .input-action {
    align-items: stretch;
    flex-direction: column;
  }

  .action-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .button-primary {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .paper-stage {
    padding: 10px;
  }

  .document {
    min-height: 760px;
    padding: 24px 18px;
    font-size: 0.7rem;
  }

  .doc-header {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .doc-header-logo img {
    width: min(230px, 100%);
  }

  .doc-header-text {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .app-header,
  .editor-panel,
  .preview-heading {
    display: none;
  }

  body,
  .workspace,
  .preview-panel,
  .paper-stage {
    display: block;
    margin: 0;
    padding: 0;
    border: 0;
    background: #fff;
    box-shadow: none;
  }

  .document {
    width: 100%;
    min-height: 0;
    padding: 0;
    box-shadow: none;
  }
}