:root {
  --bg: #f4f1ea;
  --paper: #fffdf8;
  --panel: rgba(255, 253, 248, 0.88);
  --ink: #1f1a17;
  --muted: #675f58;
  --line: #d8cfc3;
  --accent: #0d6b61;
  --accent-soft: #d8efe9;
  --shadow: 0 24px 60px rgba(65, 52, 38, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(13, 107, 97, 0.16), transparent 28%),
    linear-gradient(180deg, #f7f4ee 0%, var(--bg) 100%);
}

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

a {
  text-decoration: none;
}

.page-shell {
  max-width: 1420px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.hidden {
  display: none;
}

.hero {
  display: grid;
  gap: 18px;
  margin-bottom: 28px;
}

.hero-topbar {
  display: flex;
  width: 100%;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.hero-copy {
  max-width: min(760px, 100%);
}

.hero-brand {
  margin-bottom: 0;
  flex: 0 0 auto;
}

.eyebrow {
  margin: 0 0 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-size: 0.75rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 4rem);
  line-height: 0.95;
  max-width: 12ch;
}

.lede {
  max-width: 58ch;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  margin-left: auto;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
}

.menu-shell {
  position: relative;
  margin-left: auto;
}

.menu-toggle {
  min-width: 108px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.menu-toggle-icon {
  display: none;
  flex-direction: column;
  gap: 4px;
}

.menu-toggle-icon span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.app-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 240px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 253, 248, 0.98);
  box-shadow: var(--shadow);
  display: grid;
  gap: 6px;
  z-index: 10;
}

.app-menu.hidden {
  display: none;
}

.app-menu-item {
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  padding: 12px 14px;
  cursor: pointer;
}

.app-menu-item:hover {
  background: rgba(13, 107, 97, 0.08);
}

.app-menu-link {
  display: block;
}

.site-footer {
  margin-top: 28px;
  padding: 24px 0 8px;
  border-top: 1px solid var(--line);
}

.site-footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) repeat(3, minmax(160px, 1fr));
  gap: 24px;
  align-items: start;
}

.site-footer-brand,
.site-footer-links {
  display: grid;
  gap: 10px;
}

.site-footer-eyebrow,
.site-footer-heading {
  margin: 0;
}

.site-footer-copy {
  margin: 0;
  max-width: 56ch;
  color: var(--muted);
  line-height: 1.6;
}

.site-footer-heading {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: bold;
}

.site-footer-link {
  display: block;
  color: var(--accent);
  font-size: 0.95rem;
  width: fit-content;
}

.site-footer-link:hover {
  text-decoration: underline;
}

.site-footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(216, 207, 195, 0.7);
}

.site-footer-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.legal-panel {
  max-width: 920px;
}

.legal-stack {
  display: grid;
  gap: 22px;
}

.legal-stack p:last-child {
  margin: 0;
}

.panel-workspace {
  padding: 22px;
  margin-bottom: 24px;
}

.workspace-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.workspace-header h2 {
  margin: 0 0 4px;
}

.workspace-lede {
  margin: 0;
  max-width: 60ch;
}

.workspace-tabs {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  margin-bottom: 18px;
}

.workspace-tab {
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.workspace-tab-active {
  background: var(--accent);
  color: #f7f4ee;
}

.workspace-panel-hidden {
  display: none;
}

.workspace-list {
  display: grid;
  gap: 12px;
}

.workspace-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
}

.workspace-card-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
  margin-bottom: 8px;
}

.workspace-card h3 {
  margin: 0;
  font-size: 1rem;
}

.workspace-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.workspace-card-meta {
  font-size: 0.9rem;
}

.workspace-card-actions {
  margin-top: 12px;
}

.workspace-empty {
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 18px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.46);
}

.workspace-empty p {
  margin: 0 0 12px;
}

.workspace-page-shell {
  max-width: 1180px;
}

.workspace-page-nav {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  margin-bottom: 18px;
}

.workspace-page-link {
  border-radius: 999px;
  padding: 10px 16px;
  color: var(--muted);
}

.workspace-page-link-active {
  background: var(--accent);
  color: #f7f4ee;
}

.workspace-panel-page {
  padding: 22px;
}

.workspace-card-copy {
  margin-top: 8px;
}

.page-shell-auth {
  max-width: 1200px;
}

.hero-auth h1 {
  max-width: 14ch;
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(320px, 720px);
  gap: 24px;
  align-items: start;
}

.auth-panel {
  padding: 22px;
}

.auth-section-first {
  padding-top: 0;
}

.stack-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.auth-tabs {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  margin-bottom: 18px;
}

.auth-tab {
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.auth-tab-active {
  background: var(--accent);
  color: #f7f4ee;
}

.auth-form-hidden {
  display: none;
}

.auth-feedback {
  display: none;
  margin: 16px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
}

.auth-feedback.is-visible {
  display: block;
}

.auth-feedback[data-mode="success"] {
  border-color: rgba(13, 107, 97, 0.3);
  background: var(--accent-soft);
  color: var(--ink);
}

.auth-feedback[data-mode="warning"] {
  border-color: rgba(173, 111, 31, 0.28);
  background: rgba(246, 235, 214, 0.95);
  color: var(--ink);
}

.auth-feedback[data-mode="error"] {
  border-color: rgba(151, 55, 55, 0.24);
  background: rgba(255, 235, 235, 0.92);
  color: var(--ink);
}

.layout {
  display: grid;
  grid-template-columns: minmax(320px, 560px) minmax(340px, 1fr);
  gap: 24px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(216, 207, 195, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.panel-form {
  padding: 22px;
}

.panel-preview {
  padding: 16px;
  position: sticky;
  top: 18px;
}

.form-section + .form-section {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.section-heading {
  margin-bottom: 14px;
}

.section-heading h2,
.section-heading-inline h2 {
  margin: 0 0 4px;
  font-size: 1.2rem;
}

.section-heading p,
.section-heading-inline p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.section-actions {
  margin-bottom: 14px;
}

.form-actions-row {
  margin-top: 4px;
}

.section-heading-inline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.field-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 14px;
}

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

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

.logo-grid {
  grid-template-columns: minmax(0, 1.35fr) minmax(180px, 0.65fr);
  align-items: end;
}

.logo-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.4;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.95rem;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--ink);
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(13, 107, 97, 0.15);
  border-color: var(--accent);
}

.button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: var(--accent);
  color: #f7f4ee;
  cursor: pointer;
}

.button:hover {
  opacity: 0.92;
}

.button-secondary {
  background: #ece4d9;
  color: var(--ink);
}

.button-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
}

.line-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.line-item-row {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) repeat(3, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
  position: relative;
  padding: 26px 14px 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.54);
}

.line-item-row label,
.line-item-row input {
  min-width: 0;
}

.remove-item {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 28px;
  height: 28px;
  min-height: 0;
  padding: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-color: rgba(13, 107, 97, 0.22);
  background: rgba(255, 253, 248, 0.92);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1;
  color: var(--accent);
}

.remove-item:hover {
  background: rgba(13, 107, 97, 0.08);
}

.preview-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 16px;
  padding: 6px 8px 0;
}

.preview-toolbar-actions {
  justify-content: flex-end;
}

.save-status {
  display: block;
  margin-top: 4px;
  color: var(--accent);
}

.invoice-preview {
  background: #fff;
  border-radius: 20px;
  padding: 36px;
  min-height: 900px;
  box-shadow: inset 0 0 0 1px rgba(216, 207, 195, 0.55);
}

.preview-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
}

.preview-brand {
  display: flex;
  gap: 18px;
  align-items: start;
}

.preview-logo {
  width: 84px;
  height: 84px;
  object-fit: contain;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 10px;
}

.preview-header h2 {
  margin: 0;
  font-size: 2.2rem;
}

.preview-meta {
  text-align: right;
}

.preview-meta p,
.preview-columns p,
.preview-notes p {
  margin: 0;
  line-height: 1.55;
}

.preview-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding: 22px 0;
}

.preview-table {
  width: 100%;
  border-collapse: collapse;
}

.preview-table th,
.preview-table td {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.preview-table th:last-child,
.preview-table td:last-child {
  text-align: right;
}

.preview-summary {
  margin-left: auto;
  max-width: 300px;
  padding-top: 18px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
}

.summary-row.total {
  margin-top: 6px;
  border-top: 1px solid var(--line);
  font-size: 1.2rem;
  font-weight: bold;
}

.preview-notes {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.preview-footer {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.preview-invoice-number {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  letter-spacing: 0.04em;
}

.preview-print-brand {
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.empty-state {
  color: var(--muted);
  font-style: italic;
}

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

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

  .panel-preview {
    position: static;
  }
}

@media (max-width: 900px) {
  .workspace-header,
  .section-heading-inline,
  .preview-header,
  .preview-columns,
  .preview-toolbar {
    flex-direction: column;
    align-items: start;
  }

  .two-up,
  .three-up,
  .logo-grid,
  .line-item-row {
    grid-template-columns: 1fr;
  }

  .preview-brand {
    flex-direction: column;
  }

  .invoice-preview {
    padding: 24px;
  }

  .preview-toolbar-actions {
    width: 100%;
    justify-content: stretch;
  }

  .preview-footer {
    flex-direction: column;
    align-items: start;
  }

  .workspace-tabs {
    display: flex;
    width: 100%;
  }

  .workspace-page-nav {
    display: flex;
    width: 100%;
  }

  .app-menu {
    left: auto;
    right: 0;
    width: min(280px, calc(100vw - 40px));
  }

  .menu-toggle {
    min-width: 48px;
    width: 48px;
    height: 48px;
    padding: 0;
  }

  .menu-toggle-label {
    display: none;
  }

  .menu-toggle-icon {
    display: inline-flex;
  }

  .site-footer-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    margin-top: 44px;
    padding-top: 28px;
  }

  .site-footer-links {
    gap: 12px;
  }

  .site-footer-bottom {
    margin-top: 28px;
  }
}

@media print {
  @page {
    margin: 0.55in;
  }

  body {
    background: #fff;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .hero,
  .panel-form,
  .preview-toolbar,
  .site-footer {
    display: none;
  }

  .page-shell,
  .layout,
  .panel,
  .panel-preview,
  .invoice-preview {
    margin: 0;
    padding: 0;
    box-shadow: none;
    border: 0;
    background: #fff;
  }

  .invoice-preview {
    min-height: auto;
  }

  .preview-footer {
    margin-top: 44px;
    page-break-inside: avoid;
  }
}