:root {
  --navy: #0b1d33;
  --navy-deep: #061525;
  --blue: #2a8dff;
  --blue-bright: #4db3ff;
  --blue-soft: #e8f3ff;
  --gray: #6b7280;
  --gray-light: #9ca3af;
  --line: #2a2a2a;
  --paper: #ffffff;
  --paper-shadow: 0 25px 80px rgba(11, 29, 51, 0.18), 0 8px 24px rgba(11, 29, 51, 0.08);
  --stage-bg: #e8eef5;
  --toolbar-bg: rgba(255, 255, 255, 0.72);
  --text: #1a2332;
  --radius: 14px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --page-w: 210mm;
  --page-h: 297mm;
}

[data-theme="dark"] {
  --stage-bg: #0a121c;
  --toolbar-bg: rgba(15, 25, 38, 0.85);
  --paper: #f7f9fc;
  --paper-shadow: 0 30px 90px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(42, 141, 255, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Montserrat", system-ui, sans-serif;
  background: var(--stage-bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.5s var(--ease-out);
}

/* ---------- Local auth gate ---------- */
body.is-guest .app-shell {
  display: none !important;
}

body.is-authenticated .login-gate {
  display: none !important;
}

.login-gate {
  position: relative;
  z-index: 40;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
}

.login-card {
  width: min(100%, 420px);
  padding: 2rem 1.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(11, 29, 51, 0.1);
  box-shadow: 0 24px 60px rgba(11, 29, 51, 0.16);
  backdrop-filter: blur(14px);
}

[data-theme="dark"] .login-card {
  background: rgba(12, 20, 32, 0.92);
  border-color: rgba(255, 255, 255, 0.08);
}

.login-brand {
  text-align: center;
  margin-bottom: 1.5rem;
}

.login-logo {
  display: block;
  width: min(100%, 260px);
  height: auto;
  margin: 0 auto 0.85rem;
  object-fit: contain;
}

.login-subtitle {
  font-size: 0.82rem;
  color: var(--gray);
  font-weight: 500;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray);
}

.login-field input {
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: normal;
  text-transform: none;
  color: var(--text);
  border: 1px solid rgba(11, 29, 51, 0.14);
  padding: 0.7rem 0.85rem;
  background: #fff;
  width: 100%;
}

.login-field input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(42, 141, 255, 0.14);
}

.login-error {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: #b33a2b;
}

.login-submit {
  width: 100%;
  justify-content: center;
  margin-top: 0.25rem;
}

.login-hint {
  margin-top: 0.9rem;
  text-align: center;
  font-size: 0.68rem;
  color: var(--gray-light);
}

.login-card.shake {
  animation: login-shake 0.4s ease;
}

@keyframes login-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.auth-user {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--gray);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .auth-user {
    display: none;
  }
}

/* Ambient orbs */
.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  animation: drift 18s ease-in-out infinite alternate;
}

.orb-a {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(42, 141, 255, 0.55), transparent 70%);
  top: -80px;
  right: -60px;
}

.orb-b {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(11, 29, 51, 0.35), transparent 70%);
  bottom: -100px;
  left: -80px;
  animation-delay: -6s;
}

[data-theme="dark"] .orb-a {
  opacity: 0.35;
}

[data-theme="dark"] .orb-b {
  opacity: 0.5;
  background: radial-gradient(circle, rgba(42, 141, 255, 0.25), transparent 70%);
}

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-40px, 30px) scale(1.12); }
}

/* Toolbar */
.toolbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
  background: var(--toolbar-bg);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid rgba(11, 29, 51, 0.08);
  opacity: 0;
  transform: translateY(-12px);
}

.toolbar.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.toolbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
}

[data-theme="dark"] .toolbar-brand {
  color: #d6e4f5;
}

.toolbar-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 0 rgba(42, 141, 255, 0.5);
  animation: pulse-dot 2s ease-out infinite;
}

@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(42, 141, 255, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(42, 141, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(42, 141, 255, 0); }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  transition: transform 0.25s var(--ease-spring), background 0.25s, box-shadow 0.25s, color 0.25s;
}

.btn:active {
  transform: scale(0.96);
}

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 1px solid rgba(11, 29, 51, 0.15);
}

[data-theme="dark"] .btn-ghost {
  color: #c5d4e8;
  border-color: rgba(198, 212, 232, 0.2);
}

.btn-ghost:hover {
  background: rgba(42, 141, 255, 0.1);
  border-color: var(--blue);
  color: var(--blue);
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, #1a6fd4 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(42, 141, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(42, 141, 255, 0.45);
}

/* Stage */
.stage {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  padding: 2.5rem 1.25rem 4rem;
}

/* A4 page */
.page {
  position: relative;
  width: min(100%, var(--page-w));
  min-height: var(--page-h);
  background: var(--paper);
  box-shadow: var(--paper-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(28px) scale(0.97);
}

.page.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out), box-shadow 0.4s;
}

.page:hover {
  box-shadow: 0 30px 100px rgba(11, 29, 51, 0.22), 0 10px 28px rgba(11, 29, 51, 0.1);
}

/* Watermark */
.watermark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: auto;
  max-width: none;
  opacity: 0;
  transform: scale(0.92);
  pointer-events: none;
  z-index: 0;
}

.page.is-in .watermark {
  opacity: 1;
  transform: scale(1);
  transition: opacity 1.2s 0.5s var(--ease-out), transform 1.2s 0.5s var(--ease-out);
}

.wm-logo {
  width: min(48%, 280px);
  height: auto;
  display: block;
  object-fit: contain;
  opacity: 0.08;
  filter: grayscale(0.05);
  user-select: none;
}

/* Header */
.lh-header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem 1.75rem;
  padding: 1.5rem 1.75rem 1rem;
}

.brand-block {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  min-width: 0;
  max-width: min(58%, 380px);
  opacity: 0;
  transform: translateX(-20px) scale(0.96);
}

.brand-block.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s 0.15s var(--ease-out), transform 0.7s 0.15s var(--ease-spring);
}

.brand-logo {
  display: block;
  width: 100%;
  height: auto;
  max-height: 100px;
  object-fit: contain;
  object-position: left center;
  transition: transform 0.35s var(--ease-spring), filter 0.35s;
  filter: drop-shadow(0 2px 10px rgba(11, 29, 51, 0.08));
}

.brand-block:hover .brand-logo {
  transform: scale(1.03);
  filter: drop-shadow(0 6px 18px rgba(42, 141, 255, 0.2));
}

/* Contact */
.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: right;
  font-size: 0.66rem;
  font-weight: 500;
  color: var(--gray);
  line-height: 1.4;
  width: min(100%, 270px);
  max-width: 270px;
  flex: 0 0 auto;
  opacity: 0;
  transform: translateX(16px);
}

.contact-list.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s 0.3s var(--ease-out), transform 0.7s 0.3s var(--ease-out);
}

.contact-list li {
  display: grid;
  grid-template-columns: 1fr 16px;
  column-gap: 0.45rem;
  align-items: start;
  width: 100%;
  opacity: 0;
  transform: translateX(12px);
}

.contact-list.is-in li {
  opacity: 1;
  transform: none;
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out), color 0.2s;
}

.contact-list.is-in li:nth-child(1) { transition-delay: 0.35s; }
.contact-list.is-in li:nth-child(2) { transition-delay: 0.42s; }
.contact-list.is-in li:nth-child(3) { transition-delay: 0.49s; }
.contact-list.is-in li:nth-child(4) { transition-delay: 0.56s; }

.contact-list li:hover {
  color: var(--navy);
}

.contact-list a,
.contact-list .contact-text {
  grid-column: 1;
  text-align: right;
  justify-self: stretch;
  min-width: 0;
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.contact-list a:hover {
  color: var(--blue);
}

.contact-list .icon {
  grid-column: 2;
  color: var(--blue);
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  transition: transform 0.3s var(--ease-spring);
}

.contact-list li:hover .icon {
  transform: scale(1.15);
}

/* Header rule */
.header-rule {
  position: relative;
  z-index: 2;
  height: 3px;
  margin: 0 1.75rem;
  background: linear-gradient(
    to right,
    var(--line) 0%,
    var(--line) 72%,
    var(--blue) 72%,
    var(--blue) 100%
  );
  transform: scaleX(0);
  transform-origin: left center;
}

.header-rule.is-in {
  transform: scaleX(1);
  transition: transform 0.85s 0.45s var(--ease-out);
}

.header-rule::after {
  content: "";
  position: absolute;
  right: 0;
  top: -1px;
  width: 28%;
  height: 5px;
  background: var(--blue);
  box-shadow: 0 0 12px rgba(42, 141, 255, 0.45);
}

/* Letter body */
.letter-body {
  position: relative;
  z-index: 2;
  flex: 1;
  padding: 1.75rem 1.75rem 1.25rem;
  opacity: 0;
  transform: translateY(12px);
}

.letter-body.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s 0.7s var(--ease-out), transform 0.7s 0.7s var(--ease-out);
}

.letter-content {
  outline: none;
  min-height: 380px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: #2c3544;
  border-radius: 6px;
  padding: 0.35rem;
  transition: box-shadow 0.3s, background 0.3s;
}

.letter-content:focus {
  background: rgba(42, 141, 255, 0.03);
  box-shadow: inset 0 0 0 1px rgba(42, 141, 255, 0.25);
}

.letter-content p {
  margin-bottom: 1rem;
}

.letter-content .meta-line {
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
  color: var(--gray);
}

.letter-content .greeting {
  margin-top: 1.5rem;
}

.letter-content .closing {
  margin-top: 1.75rem;
}

.signature-block {
  margin-top: 2.5rem;
}

.sig-name {
  font-weight: 700;
  color: var(--navy);
}

.sig-role {
  font-size: 0.8rem;
  color: var(--gray);
}

.edit-hint {
  position: absolute;
  bottom: 0.5rem;
  right: 1.75rem;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--gray-light);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.letter-body:hover .edit-hint:not(.hidden) {
  opacity: 1;
}

.edit-hint.hidden {
  opacity: 0 !important;
}

/* Footer */
.lh-footer {
  position: relative;
  z-index: 2;
  margin-top: auto;
  padding: 0 0 1rem;
  opacity: 0;
  transform: translateY(16px);
  text-align: center;
}

.lh-footer.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s 0.9s var(--ease-out), transform 0.7s 0.9s var(--ease-out);
}

.footer-line {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: center;
}

.footer-text {
  margin-top: 0.55rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--navy);
  text-align: center;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--navy);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(11, 29, 51, 0.35);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.4s var(--ease-out), opacity 0.4s;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Responsive */
@media (max-width: 720px) {
  .lh-header {
    flex-direction: column;
    gap: 1.25rem;
  }

  .contact-list {
    text-align: left;
    max-width: 100%;
    width: 100%;
    align-self: stretch;
  }

  .contact-list li {
    grid-template-columns: 16px 1fr;
  }

  .contact-list .icon {
    grid-column: 1;
  }

  .contact-list a,
  .contact-list .contact-text {
    grid-column: 2;
    text-align: left;
  }

  .brand-logo {
    max-height: 78px;
  }

  .footer-text {
    font-size: 0.58rem;
    letter-spacing: 0.1em;
  }

  .stage {
    padding: 1.25rem 0.75rem 3rem;
  }

  .page {
    min-height: auto;
  }

  .letter-content {
    min-height: 280px;
  }
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.mode-switch {
  display: inline-flex;
  padding: 3px;
  border-radius: 999px;
  background: rgba(11, 29, 51, 0.06);
  border: 1px solid rgba(11, 29, 51, 0.08);
}

[data-theme="dark"] .mode-switch {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
}

.mode-btn {
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  color: var(--gray);
  transition: background 0.25s, color 0.25s, box-shadow 0.25s;
}

.mode-btn.is-active {
  background: #fff;
  color: var(--navy);
  box-shadow: 0 2px 10px rgba(11, 29, 51, 0.12);
}

[data-theme="dark"] .mode-btn.is-active {
  background: rgba(42, 141, 255, 0.2);
  color: #e8f1ff;
}

body[data-doc-mode="letter"] .mode-invoice-only,
body[data-doc-mode="invoice"] .mode-letter-only {
  display: none !important;
}

body[data-doc-mode="invoice"] .page {
  min-height: auto;
  overflow: visible;
}

body[data-doc-mode="invoice"] .invoice-body {
  opacity: 1;
  transform: none;
}

.workspace {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  gap: 0;
  min-height: calc(100vh - 64px);
}

.invoice-sidebar {
  position: sticky;
  top: 64px;
  width: 280px;
  flex-shrink: 0;
  max-height: calc(100vh - 64px);
  overflow: auto;
  padding: 1.1rem 0.9rem 2rem;
  background: rgba(255, 255, 255, 0.55);
  border-right: 1px solid rgba(11, 29, 51, 0.08);
  backdrop-filter: blur(12px);
}

[data-theme="dark"] .invoice-sidebar {
  background: rgba(10, 18, 28, 0.72);
  border-color: rgba(255, 255, 255, 0.06);
}

.sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.sidebar-head h2 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
}

[data-theme="dark"] .sidebar-head h2 {
  color: #d6e4f5;
}

.btn-icon {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1rem;
  color: var(--blue);
}

.template-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.chip {
  border: 1px solid rgba(42, 141, 255, 0.25);
  background: rgba(42, 141, 255, 0.08);
  color: var(--blue);
  font-family: inherit;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.chip:hover {
  background: var(--blue);
  color: #fff;
}

.invoice-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.invoice-list li {
  border: 1px solid rgba(11, 29, 51, 0.08);
  border-radius: 10px;
  padding: 0.65rem 0.7rem;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}

[data-theme="dark"] .invoice-list li {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
}

.invoice-list li:hover,
.invoice-list li.is-active {
  border-color: var(--blue);
  box-shadow: 0 4px 14px rgba(42, 141, 255, 0.12);
}

.inv-list-no {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--navy);
}

[data-theme="dark"] .inv-list-no {
  color: #e2eaf5;
}

.inv-list-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.25rem;
  font-size: 0.62rem;
  color: var(--gray);
}

.inv-list-actions {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.45rem;
}

.inv-list-actions button {
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--blue);
  cursor: pointer;
  padding: 0;
}

.inv-list-actions .danger {
  color: #c0392b;
}

.invoice-list .empty-state {
  font-size: 0.72rem;
  color: var(--gray);
  padding: 1rem 0.25rem;
  border: none;
  background: transparent;
  cursor: default;
  box-shadow: none;
}

.print-sheet {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: var(--page-h);
  flex: 1;
}

/* Print document table — screen layout as stacked blocks */
.lh-print-doc {
  width: 100%;
  border-collapse: collapse;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.lh-print-doc > thead,
.lh-print-doc > tbody,
.lh-print-doc > tfoot,
.lh-print-doc > thead > tr,
.lh-print-doc > tbody > tr,
.lh-print-doc > tfoot > tr,
.lh-print-doc > thead > tr > td,
.lh-print-doc > tbody > tr > td,
.lh-print-doc > tfoot > tr > td {
  display: block;
  width: 100%;
}

.lh-print-doc > tbody {
  flex: 1;
}

.lh-print-doc > tbody > tr,
.lh-print-doc > tbody > tr > td {
  height: 100%;
}

/* Print chrome — screen uses .screen-footer / .screen-watermark */
.print-footer-spacer {
  display: none;
  height: 22mm;
}

.print-footer-fixed,
.print-watermark {
  display: none;
}

.letter-print-view {
  display: none;
}

.workspace .stage {
  flex: 1;
  min-width: 0;
}

/* Invoice editor */
.invoice-body {
  position: relative;
  z-index: 2;
  flex: 1;
  padding: 1rem 1.75rem 1rem;
  font-size: 0.82rem;
  color: #2c3544;
}

.inv-meta-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(90px, 1fr)) minmax(140px, 1.4fr);
  gap: 0.45rem 0.55rem;
  margin-bottom: 0.75rem;
  padding: 0.65rem 0.7rem;
  border: 1px solid rgba(11, 29, 51, 0.1);
  border-radius: 10px;
  background: rgba(42, 141, 255, 0.04);
}

.inv-meta-bar label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gray);
}

.inv-meta-bar input,
.inv-meta-bar select {
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text);
  border: 1px solid rgba(11, 29, 51, 0.12);
  border-radius: 6px;
  padding: 0.35rem 0.45rem;
  background: #fff;
  width: 100%;
  text-transform: none;
  letter-spacing: normal;
}

.inv-meta-bar input:focus,
.inv-meta-bar select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(42, 141, 255, 0.12);
}

.invoice-editor-wrap {
  border-radius: 10px;
  overflow: hidden;
}

.invoice-editor-wrap .tox-tinymce {
  border: 1px solid rgba(11, 29, 51, 0.12) !important;
  border-radius: 10px !important;
}

.invoice-print-view {
  display: none;
  font-size: 0.88rem;
  line-height: 1.55;
  color: #1a2332;
}

.invoice-print-view table {
  border-collapse: collapse;
  width: 100%;
}

.invoice-print-view img {
  max-width: 100%;
}

.inv-top {
  display: flex;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 1.1rem;
}

.inv-title-block {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.inv-title {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--navy);
  outline: none;
}

.inv-status {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: rgba(42, 141, 255, 0.12);
  color: var(--blue);
}

.inv-status[data-status="Paid"] {
  background: rgba(34, 160, 90, 0.12);
  color: #1b8a4a;
}

.inv-status[data-status="Overdue"],
.inv-status[data-status="Outstanding"] {
  background: rgba(200, 70, 50, 0.12);
  color: #b33a2b;
}

.inv-status[data-status="Draft"] {
  background: rgba(107, 114, 128, 0.15);
  color: #6b7280;
}

.inv-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 150px));
  gap: 0.45rem 0.65rem;
}

.inv-meta-grid label,
.inv-notes label,
.tot-input label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gray);
}

.invoice-body input,
.invoice-body textarea,
.invoice-body select {
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text);
  border: 1px solid rgba(11, 29, 51, 0.12);
  border-radius: 6px;
  padding: 0.4rem 0.5rem;
  background: #fff;
  width: 100%;
  text-transform: none;
  letter-spacing: normal;
}

.invoice-body input:focus,
.invoice-body textarea:focus,
.invoice-body select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(42, 141, 255, 0.12);
}

.inv-parties {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.inv-party h3 {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.45rem;
}

.inv-party input,
.inv-party textarea {
  margin-bottom: 0.35rem;
}

.inv-party-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
}

.inv-from p {
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--gray);
}

.from-name {
  font-weight: 700 !important;
  color: var(--navy) !important;
  margin-bottom: 0.25rem;
}

.inv-table-wrap {
  margin-bottom: 1rem;
}

.inv-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.55rem;
}

.inv-table th {
  text-align: left;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: var(--navy);
  padding: 0.55rem 0.45rem;
}

.inv-table td {
  padding: 0.35rem 0.3rem;
  border-bottom: 1px solid rgba(11, 29, 51, 0.08);
  vertical-align: middle;
}

.inv-table input,
.inv-table select {
  border-color: transparent;
  background: transparent;
  padding: 0.3rem 0.25rem;
}

.inv-table input:focus,
.inv-table select:focus {
  background: #fff;
  border-color: var(--blue);
}

.col-no { width: 36px; text-align: center; }
.col-qty { width: 64px; }
.col-rate { width: 100px; }
.col-amt { width: 110px; }
.col-cat { width: 120px; }
.col-act { width: 34px; }

.amt-cell {
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
}

.btn-remove-row {
  border: none;
  background: transparent;
  color: #c0392b;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0.2rem;
}

.btn-add-row {
  margin-top: 0.15rem;
}

.inv-bottom {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.inv-notes textarea {
  margin-bottom: 0.55rem;
  min-height: 72px;
  resize: vertical;
}

.inv-totals {
  border: 1px solid rgba(11, 29, 51, 0.1);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  background: rgba(42, 141, 255, 0.03);
}

.tot-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0;
  font-size: 0.78rem;
}

.tot-input {
  display: block;
}

.tot-input label {
  width: 100%;
}

.tot-grand {
  border-top: 2px solid var(--navy);
  margin-top: 0.35rem;
  padding-top: 0.55rem;
  font-size: 0.95rem;
}

.tot-grand strong {
  color: var(--blue);
  font-size: 1.05rem;
}

.inv-sign {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.sig-label {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-light);
  margin-bottom: 1.5rem;
}

.sig-line {
  border-bottom: 1px solid rgba(11, 29, 51, 0.25);
  width: 180px;
  margin-bottom: 0.35rem;
  min-height: 1.2rem;
}

@media (max-width: 1100px) {
  .invoice-sidebar {
    display: none;
  }

  body[data-doc-mode="invoice"] .invoice-sidebar {
    display: block;
    position: fixed;
    left: 0;
    top: auto;
    bottom: 0;
    width: 100%;
    max-height: 38vh;
    z-index: 40;
    border-right: none;
    border-top: 1px solid rgba(11, 29, 51, 0.1);
  }
}

@media (max-width: 720px) {
  .inv-parties,
  .inv-bottom {
    grid-template-columns: 1fr;
  }

  .inv-meta-grid {
    grid-template-columns: 1fr 1fr;
  }

  .inv-meta-bar {
    grid-template-columns: 1fr 1fr;
  }

  .toolbar-left {
    width: 100%;
  }
}

/* Print — letterhead repeats; body flows across pages */
@media print {
  @page {
    size: A4 portrait;
    margin: 0;
  }

  html,
  body {
    background: #fff !important;
    height: auto !important;
    overflow: visible !important;
    margin: 0 !important;
    padding: 0 !important;
    transform: none !important;
    filter: none !important;
    perspective: none !important;
  }

  .ambient,
  .toolbar,
  .edit-hint,
  .toast,
  .invoice-sidebar,
  .no-print,
  .btn-add-row,
  .col-act,
  .btn-remove-row,
  .invoice-editor-wrap,
  .inv-meta-bar,
  .tox,
  .tox-tinymce,
  .tox-editor-header,
  .tox-statusbar,
  .screen-footer,
  .screen-watermark,
  [hidden] {
    display: none !important;
  }

  .invoice-print-view,
  .letter-print-view {
    display: block !important;
  }

  /*
   * CRITICAL: flex/filter/transform break repeating thead + fixed
   * header/footer/watermark. Everything must be static block flow.
   */
  .workspace,
  .stage,
  .page,
  .print-sheet,
  .doc-body,
  .letter-body,
  .invoice-body {
    display: block !important;
    transform: none !important;
    filter: none !important;
    perspective: none !important;
    backdrop-filter: none !important;
    will-change: auto !important;
    box-shadow: none !important;
    opacity: 1 !important;
    float: none !important;
  }

  .workspace,
  .stage {
    padding: 0 !important;
    margin: 0 !important;
    width: 100% !important;
    max-width: none !important;
  }

  .page {
    width: 100% !important;
    max-width: none !important;
    min-height: 0 !important;
    height: auto !important;
    margin: 0 !important;
    overflow: visible !important;
    background: #fff !important;
    position: static !important;
  }

  body.is-empty-letterhead .page {
    min-height: 297mm !important;
  }

  .page * {
    animation: none !important;
    transition: none !important;
  }

  /* Table header/footer groups = letterhead on every page */
  .lh-print-doc {
    display: table !important;
    width: 100% !important;
    border-collapse: collapse !important;
    table-layout: fixed !important;
    min-height: 0 !important;
  }

  body.is-empty-letterhead .lh-print-doc {
    min-height: 297mm !important;
  }

  .lh-print-doc > thead {
    display: table-header-group !important;
  }

  .lh-print-doc > tbody {
    display: table-row-group !important;
  }

  .lh-print-doc > tfoot {
    display: table-footer-group !important;
  }

  .lh-print-doc > thead > tr,
  .lh-print-doc > tbody > tr,
  .lh-print-doc > tfoot > tr {
    display: table-row !important;
    page-break-inside: auto !important;
    break-inside: auto !important;
  }

  .lh-print-doc > thead > tr > td,
  .lh-print-doc > tbody > tr > td,
  .lh-print-doc > tfoot > tr > td {
    display: table-cell !important;
    width: 100% !important;
  }

  .lh-print-doc > thead > tr > td {
    padding: 10mm 14mm 4mm !important;
    vertical-align: bottom !important;
  }

  .lh-print-doc > tbody > tr > td {
    padding: 4mm 14mm 0 !important;
    vertical-align: top !important;
    height: auto !important;
  }

  .lh-print-doc > tfoot > tr > td {
    padding: 0 14mm !important;
    vertical-align: bottom !important;
  }

  /* Space so flowing text never sits under the fixed footer */
  .print-footer-spacer {
    display: block !important;
    height: 22mm !important;
    width: 100% !important;
  }

  /* Watermark: body-level fixed → centered on EVERY printed page */
  .print-watermark {
    display: flex !important;
    position: fixed !important;
    left: 0 !important;
    right: 0 !important;
    top: 0 !important;
    bottom: 0 !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 0 !important;
    pointer-events: none !important;
    opacity: 1 !important;
    transform: none !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .print-watermark .wm-logo {
    width: 42% !important;
    max-width: 260px !important;
    opacity: 0.06 !important;
    filter: none !important;
    transform: none !important;
  }

  /* Footer: body-level fixed → bottom of EVERY printed page */
  .print-footer-fixed {
    display: block !important;
    position: fixed !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 14mm 8mm !important;
    background: #fff !important;
    z-index: 9999 !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .print-footer-inner {
    text-align: center;
    background: #fff;
  }

  .print-footer-fixed .footer-line {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    max-height: 10mm !important;
    object-fit: contain !important;
    object-position: center bottom !important;
  }

  .print-footer-fixed .footer-text {
    margin-top: 2mm !important;
    font-size: 0.65rem !important;
    font-weight: 600 !important;
    letter-spacing: 0.16em !important;
    color: #0b1d33 !important;
    opacity: 1 !important;
  }

  /* Content flows; empty letterhead only gets blank writing space */
  .letter-print-view,
  .invoice-print-view {
    position: relative !important;
    z-index: 1 !important;
    min-height: 0 !important;
    opacity: 1 !important;
    overflow: visible !important;
    color: #1a2332 !important;
    font-size: 0.92rem !important;
    line-height: 1.7 !important;
  }

  .letter-print-view p {
    margin: 0 0 0.85em !important;
  }

  body.is-empty-letterhead .letter-print-view {
    min-height: 180mm !important;
  }

  .letter-print-view p,
  .letter-print-view li,
  .invoice-print-view p,
  .invoice-print-view li {
    orphans: 3;
    widows: 3;
  }

  /* Long paragraphs must split across pages — avoid locks layout */
  .letter-print-view img,
  .invoice-print-view img {
    max-width: 100% !important;
    height: auto !important;
    page-break-inside: avoid;
    break-inside: avoid;
  }

  .invoice-print-view tr {
    page-break-inside: avoid;
    break-inside: avoid;
  }

  .letter-print-view table,
  .invoice-print-view table {
    page-break-inside: auto;
    break-inside: auto;
  }

  .lh-header {
    padding: 0 !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .contact-list li {
    opacity: 1 !important;
    transform: none !important;
  }

  /*
   * Header rule: borders print reliably (backgrounds often skipped).
   */
  .header-rule {
    margin: 3mm 0 0 !important;
    height: 0 !important;
    transform: none !important;
    opacity: 1 !important;
    background: none !important;
    border: none !important;
    border-top: 2.5px solid #2a2a2a !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .header-rule::after {
    content: "" !important;
    display: block !important;
    position: absolute !important;
    right: 0 !important;
    top: -2.5px !important;
    width: 28% !important;
    height: 0 !important;
    background: none !important;
    box-shadow: none !important;
    border-top: 3.5px solid #2a8dff !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .brand-block,
  .contact-list,
  .brand-logo {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }

  .brand-logo {
    max-height: 78px !important;
  }

  .contact-list {
    font-size: 0.58rem !important;
    max-width: 230px !important;
  }

  .doc-body {
    position: relative !important;
    z-index: 1 !important;
    padding: 0 !important;
    opacity: 1 !important;
    transform: none !important;
    min-height: 0 !important;
  }

  .letter-body,
  .invoice-body {
    padding: 0 !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .letter-content {
    min-height: auto !important;
    box-shadow: none !important;
    background: transparent !important;
  }

  .invoice-body input,
  .invoice-body textarea,
  .invoice-body select {
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    appearance: none;
    -webkit-appearance: none;
  }

  .inv-table th {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .inv-table,
  .inv-totals,
  .inv-sign,
  .inv-bottom,
  .inv-parties {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .inv-table-wrap {
    break-inside: auto;
    page-break-inside: auto;
  }

  .inv-table thead {
    display: table-header-group;
  }

  .inv-table tr {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}