/*
 * Modern SaaS-style shell: centered, airy spacing, soft depth.
 */

:root {
  --bg0: #e8edf5;
  --bg1: #f6f8fc;
  --surface: #ffffff;
  --text: #141824;
  --muted: #5a6478;
  --line: #dde3ed;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-muted: rgba(37, 99, 235, 0.1);
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 12px 32px rgba(15, 23, 42, 0.08);
  --radius: 14px;
  --radius-sm: 10px;
  /* Fluid page width: grows on large screens, inset on small */
  --container-max: min(100rem, calc(100vw - 2 * var(--page-pad-x)));
  --max: var(--container-max);
  --page-pad-x: clamp(16px, 3.5vw, 40px);
  --page-pad-y: clamp(1.25rem, 3vw, 2rem);
  --content-gap: clamp(1rem, 2vw, 1.5rem);
  --split-layout: 1024px;
  --success-bg: #ecfdf3;
  --success-line: #6ee7b7;
  --error-bg: #fef2f2;
  --error-line: #fca5a5;
}

* {
  box-sizing: border-box;
}

main {
  display: block;
  margin: 0;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 50% -10%, #fff 0%, var(--bg0) 55%, var(--bg1) 100%);
  line-height: 1.55;
  overflow-x: hidden;
}

/* Headings: black, bold — not link-colored */
h1,
h2,
h3 {
  color: #000;
  font-weight: bold;
  text-decoration: none;
}

h1 a,
h2 a,
h3 a,
h1 a:hover,
h2 a:hover,
h3 a:hover,
h1 a:visited,
h2 a:visited,
h3 a:visited {
  color: inherit;
  font-weight: inherit;
  text-decoration: none;
}

/* Centered page shell: max width + even inset (no full-bleed content) */
.page-container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--page-pad-x);
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
}

/* Nothing inside the column may grow past the container (incl. Layout + Advanced row) */
.page-container > * {
  min-width: 0;
  max-width: 100%;
}

/* Top site navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04);
}

.nav-inner {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0.75rem 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 700;
  font-size: clamp(0.875rem, 1.6vw, 1rem);
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  min-width: 0;
}

.nav-brand-icon {
  color: var(--accent);
  flex-shrink: 0;
  width: 1.15em;
  height: 1.15em;
}

.nav-brand:hover {
  color: var(--accent);
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem clamp(0.35rem, 1.5vw, 0.5rem);
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: clamp(0.78rem, 1.5vw, 0.9rem);
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  padding: 0.35rem clamp(0.55rem, 1.8vw, 0.75rem);
  border-radius: 999px;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}

.nav-link-icon {
  flex-shrink: 0;
  width: 1em;
  height: 1em;
}

.nav-link:hover {
  color: var(--accent);
  background: var(--accent-muted);
}

.nav-link.is-active {
  color: var(--accent-hover);
  background: var(--accent-muted);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.25);
}

.main-wrap {
  width: 100%;
  padding-top: var(--page-pad-y);
}

.site-footer.shell {
  padding-top: var(--content-gap);
  padding-bottom: clamp(1.25rem, 3vw, 2rem);
}

.shell {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: var(--page-pad-y) 0 clamp(1.5rem, 3.5vw, 2.5rem);
  box-sizing: border-box;
}

.top {
  text-align: center;
  margin-bottom: var(--content-gap);
}

.brand {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.top h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.45rem, 3.5vw + 0.5rem, 2rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

/* Homepage hero: title only */
.home-hero {
  margin-bottom: clamp(1rem, 3vw, 1.5rem);
}

.home-hero h1 {
  margin: 0;
}

.home-layout {
  display: flex;
  flex-direction: column;
  gap: var(--content-gap);
  width: 100%;
  min-width: 0;
}

.home-layout .cta {
  max-width: 100%;
  padding: clamp(0.65rem, 2vw, 0.75rem) clamp(0.85rem, 2.5vw, 1rem);
  font-size: clamp(0.95rem, 2vw, 1rem);
}

.home-layout .btn-secondary {
  max-width: 100%;
  font-size: clamp(0.88rem, 1.8vw, 0.95rem);
  padding: clamp(0.55rem, 1.8vw, 0.6rem) clamp(0.85rem, 2.5vw, 1rem);
}

.home-layout select,
.home-layout textarea,
.home-layout input[type="text"],
.home-layout input[type="date"],
.home-layout input[type="file"] {
  max-width: 100%;
}

.home-layout .card {
  padding: clamp(1rem, 2.5vw, 1.35rem) clamp(1rem, 3vw, 1.5rem);
}

.home-layout .preview-section {
  margin-top: 0;
}

.home-upload-zones {
  display: flex;
  flex-direction: column;
  gap: var(--content-gap);
  margin-bottom: 0;
  align-items: stretch;
  width: 100%;
  min-width: 0;
}

@media (min-width: 1024px) {
  .home-upload-zones {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .home-setup-column {
    display: flex;
    flex-direction: column;
    gap: var(--content-gap);
    min-width: 0;
  }
}

@media (max-width: 1023.98px) {
  .home-setup-column {
    display: contents;
  }

  .home-layout .settings-row-two {
    grid-template-columns: 1fr;
  }
}

.home-upload-zones .text-settings-card {
  margin-bottom: 0;
  flex: 0 0 auto;
}

.home-zone-card {
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.home-brief-card {
  border-top: 3px solid #d97706;
  background: linear-gradient(180deg, #fffbeb 0%, var(--surface) 2.5rem);
}

.home-document-card {
  border-top: 3px solid var(--accent);
  background: linear-gradient(180deg, #eff6ff 0%, var(--surface) 2.5rem);
}

.home-zone-head {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.home-zone-head .card-title {
  margin: 0;
}

.upload-zone-lede {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.45;
}

.upload-zone-formats {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text);
}

.upload-zone-formats-label {
  font-weight: 700;
  color: var(--muted);
  margin-right: 0.25rem;
}

.upload-zone-sr-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.home-brief-card .req-chat-section {
  margin: 0;
  padding: 0;
  background: none;
  border: none;
  box-shadow: none;
}

.home-document-card .field:last-of-type {
  margin-bottom: 0;
}

@media (min-width: 1024px) {
  .home-document-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
  }

  .home-document-card .home-document-paste {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    min-height: 0;
  }

  .home-document-card .home-document-paste textarea {
    flex: 1 1 auto;
    min-height: 14rem;
    resize: vertical;
  }
}

.home-format-grid {
  grid-template-columns: minmax(0, 1fr) !important;
}

.lede {
  margin: 0 auto;
  max-width: min(48rem, 100%);
  width: 100%;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
}

.card {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  overflow-wrap: anywhere;
  word-wrap: break-word;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1rem, 2.2vw, 1.5rem) clamp(1rem, 2.8vw, 1.75rem);
  margin-bottom: 1rem;
}

.card-title {
  margin: 0 0 0.35rem;
  font-size: clamp(1rem, 1.8vw, 1.1rem);
}

.card-hint {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.text-preset-field {
  margin-bottom: 1rem;
}

.preset-row--text {
  margin-top: 0.35rem;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.preset-chip {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text);
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.preset-chip:hover {
  border-color: var(--accent);
  background: var(--accent-muted);
}

.preset-chip.is-active {
  border-color: var(--accent);
  background: var(--accent-muted);
  color: var(--accent-hover);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.preset-chip--ghost {
  font-weight: 500;
  color: var(--muted);
}

.grid-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 2.5vw, 1.25rem);
  width: 100%;
  align-items: start;
}

/* Homepage: formatting settings only (upload cards sit above) */
.home-layout .home-format-grid {
  grid-template-columns: minmax(0, 1fr);
  width: 100%;
}

.grid-main > * {
  min-width: 0;
  margin-bottom: 0;
}

.settings-stack > * {
  margin-bottom: 0;
}

.settings-stack {
  display: flex;
  flex-direction: column;
  gap: var(--content-gap);
  width: 100%;
  min-width: 0;
}

/* Layout | Advanced: two columns ≥768px, stack below; equal row height via grid stretch */
.settings-row-two {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  width: 100%;
  min-width: 0;
  align-items: stretch;
}

@media (min-width: 768px) {
  .settings-row-two {
    grid-template-columns: 1fr 1fr;
  }
}

.settings-row-two > .card {
  margin-bottom: 0;
  height: 100%;
  min-height: 0;
}

.settings-section .card-title {
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.85rem;
}

.settings-accordion {
  padding: 0;
  overflow: hidden;
}

.settings-summary {
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.settings-summary::-webkit-details-marker {
  display: none;
}

.settings-summary::after {
  content: "▾";
  color: var(--muted);
  font-size: 0.95rem;
  transition: transform 0.2s ease;
}

.settings-accordion[open] .settings-summary::after {
  transform: rotate(180deg);
}

.settings-summary-title {
  font-size: 0.98rem;
  font-weight: 700;
}

.settings-summary-hint {
  font-size: 0.78rem;
  color: var(--muted);
}

.settings-body {
  border-top: 1px solid var(--line);
  padding: 0.95rem 1.1rem 1.1rem;
}

.home-cover-card {
  margin-bottom: 0;
}

.field {
  display: block;
  margin-bottom: 0.85rem;
}

.field-row.two {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  width: 100%;
}

/* Tablet/desktop ≥768px: two columns for paired fields */
@media (min-width: 768px) {
  .field-row.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--muted);
}

select,
textarea,
input[type="text"],
input[type="date"],
input[type="url"] {
  width: 100%;
  font: inherit;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.65rem;
  background: #f9fafc;
  color: var(--text);
}

select {
  cursor: pointer;
}

textarea {
  resize: vertical;
  min-height: 140px;
}

input[type="date"] {
  min-height: 2.25rem;
}

input[type="file"] {
  width: 100%;
  font-size: 0.88rem;
}

fieldset.toggles {
  border: none;
  padding: 0;
  margin: 0 0 0.75rem;
}

.check {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  font-size: 0.92rem;
  margin-bottom: 0.55rem;
  cursor: pointer;
  color: var(--text);
}

.check input {
  margin-top: 0.2rem;
  flex-shrink: 0;
}

/* Paste requirements: minimal inline bar (ChatGPT-style), no outer card */
.req-chat-section {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  margin: 0 0 var(--content-gap);
  padding: 0;
  background: none;
  border: none;
  box-shadow: none;
  overflow-wrap: anywhere;
}

.req-chat-heading {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.req-chat-composer {
  display: flex;
  flex-flow: row nowrap;
  align-items: center;
  gap: 0.2rem;
  padding: 0.28rem 0.35rem 0.28rem 0.4rem;
  background: var(--surface);
  border: 1px solid #e2e8f0;
  border-radius: 1.35rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 16px rgba(15, 23, 42, 0.06);
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.req-chat-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.req-chat-icon-btn {
  flex: 0 0 auto;
  width: clamp(2rem, 7vw, 2.4rem);
  height: clamp(2rem, 7vw, 2.4rem);
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background 0.15s;
}

.req-chat-icon-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.req-chat-plus:hover {
  color: var(--accent);
  background: var(--accent-muted);
}

.req-chat-plus-icon {
  font-size: 1.35rem;
  font-weight: 300;
  line-height: 1;
}

.req-chat-send {
  background: var(--accent);
  color: #fff;
}

.req-chat-send:hover {
  background: var(--accent-hover);
}

.req-chat-send:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.req-chat-textarea {
  flex: 1 1 auto;
  min-width: 0;
  width: 0;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 0.92rem;
  line-height: 1.4;
  padding: 0.4rem 0.3rem;
  resize: none;
  max-height: 2.5rem;
  min-height: 2.2rem;
  color: var(--text);
  overflow-y: auto;
}

.req-chat-textarea:focus {
  outline: none;
}

.req-chat-textarea::placeholder {
  color: var(--muted);
}

.req-chat-status.req-status {
  margin-top: 0.35rem;
  padding: 0;
  font-size: 0.8rem;
}

.req-chat-send-icon {
  width: clamp(15px, 4vw, 17px);
  height: clamp(15px, 4vw, 17px);
}

.req-status {
  margin-top: 0.75rem;
  min-height: 1.1rem;
  font-size: 0.9rem;
}

.req-status.error {
  color: #b91c1c;
}

.req-status.success {
  color: #047857;
}

.req-status.warn {
  color: #b45309;
}

/* References generator */
.ref-gen-card {
  margin-bottom: 1.25rem;
  width: 100%;
  min-width: 0;
}

.intext-card {
  width: 100%;
  min-width: 0;
}

.ref-gen-row {
  align-items: flex-end;
}

.ref-gen-field {
  margin-bottom: 0;
}

.ref-gen-actions {
  display: flex;
  align-items: flex-end;
  padding-bottom: 0.05rem;
}

@media (max-width: 767.98px) {
  .ref-gen-row {
    grid-template-columns: 1fr;
  }
  .ref-gen-actions {
    width: 100%;
  }
}

#ref_url_input {
  width: 100%;
  font: inherit;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.65rem;
  background: #f9fafc;
  color: var(--text);
}

.ref-preview-wrap {
  margin-top: 0.85rem;
}

.ref-preview {
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #f9fafc;
  font-size: 0.92rem;
  line-height: 1.5;
  word-break: break-word;
}

.btn-add-ref {
  margin-top: 0.6rem;
  width: 100%;
  max-width: 16rem;
  padding: 0.55rem 1rem;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.btn-add-ref:hover {
  background: var(--accent-hover);
}

.btn-add-ref:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ref-style-field {
  margin-bottom: 0.75rem;
}

.ref-saved-wrap {
  margin-top: 1rem;
}

.ref-list {
  margin: 0.35rem 0 0;
  padding-left: 0;
  list-style: none;
}

.ref-list li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  padding: 0.6rem 0.65rem;
  margin-bottom: 0.45rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fafbfd;
  font-size: 0.9rem;
  line-height: 1.45;
}

.ref-list li span {
  flex: 1;
  min-width: 0;
  word-break: break-word;
}

.ref-remove {
  flex-shrink: 0;
  font: inherit;
  font-size: 0.82rem;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
}

.ref-remove:hover {
  color: #b91c1c;
  border-color: #fecaca;
}

.btn-clear-refs {
  margin-top: 0.5rem;
  font: inherit;
  font-size: 0.88rem;
  padding: 0.4rem 0.75rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.btn-clear-refs:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cta {
  width: 100%;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font: inherit;
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
  transition: background 0.15s, transform 0.08s;
}

.cta:hover {
  background: var(--accent-hover);
}

.cta:active {
  transform: translateY(1px);
}

.cta:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.format-status {
  margin-top: 0.65rem;
  text-align: center;
  min-height: 1.15rem;
}

.btn-secondary {
  margin-top: 0.75rem;
  width: 100%;
  font: inherit;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--accent);
  cursor: pointer;
}

.btn-secondary:hover {
  background: #f3f6fb;
}

.hidden {
  display: none !important;
}

.status {
  min-height: 1.2rem;
  font-size: 0.95rem;
}

.status.success {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--success-bg);
  border: 1px solid var(--success-line);
}

.status.error {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--error-bg);
  border: 1px solid var(--error-line);
}

.foot {
  margin-top: var(--content-gap);
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

code {
  font-size: 0.88em;
  padding: 0.12em 0.35em;
  border-radius: 5px;
  background: #eef2f8;
}

/* Floating support chat (Intercom-style) */
.support-chat-fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 1100;
  width: 3.5rem;
  height: 3.5rem;
  border: none;
  border-radius: 50%;
  background: linear-gradient(145deg, #2563eb 0%, #1d4ed8 100%);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.45), 0 2px 6px rgba(15, 23, 42, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.support-chat-fab:hover {
  transform: scale(1.06);
  box-shadow: 0 6px 22px rgba(37, 99, 235, 0.5), 0 4px 10px rgba(15, 23, 42, 0.14);
}

.support-chat-fab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.support-chat-fab-icon {
  flex-shrink: 0;
}

.support-chat-layer {
  position: fixed;
  inset: 0;
  z-index: 1090;
  pointer-events: none;
  visibility: hidden;
  transition: visibility 0s linear 0.35s;
}

.support-chat-layer.is-open {
  pointer-events: auto;
  visibility: visible;
  transition-delay: 0s;
}

.support-chat-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.22);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.support-chat-layer.is-open .support-chat-backdrop {
  opacity: 1;
}

.support-chat-panel {
  position: absolute;
  right: 1.25rem;
  bottom: 5.5rem;
  width: min(22rem, calc(100vw - 2.5rem));
  max-width: 22rem;
  padding: 1.1rem 1.15rem 1.15rem;
  background: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.22), 0 12px 24px rgba(15, 23, 42, 0.1);
  transform: translateY(12px) scale(0.97);
  opacity: 0;
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.28s ease;
}

.support-chat-layer.is-open .support-chat-panel {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.support-chat-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.support-chat-panel-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: #000;
  letter-spacing: -0.02em;
}

.support-chat-close {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}

.support-chat-close:hover {
  background: #f1f5f9;
  color: var(--text);
}

.support-chat-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.support-chat-status {
  margin: 0 0 0.5rem;
  min-height: 1.1rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.support-chat-status--success {
  color: #047857;
}

.support-chat-status--error {
  color: #b91c1c;
}

.support-chat-status--pending {
  color: var(--muted);
}

.support-chat-textarea {
  width: 100%;
  margin-bottom: 0.65rem;
  padding: 0.65rem 0.75rem;
  font: inherit;
  font-size: 0.9rem;
  line-height: 1.45;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fafc;
  color: var(--text);
  resize: vertical;
  min-height: 5.5rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.support-chat-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
  background: var(--surface);
}

.support-chat-textarea::placeholder {
  color: var(--muted);
}

.support-chat-send {
  width: 100%;
  padding: 0.65rem 1rem;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s;
}

.support-chat-send:hover:not(:disabled) {
  background: var(--accent-hover);
}

.support-chat-send:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

body.support-chat-open {
  overflow: hidden;
}

@media (max-width: 480px) {
  .support-chat-panel {
    right: var(--page-pad-x);
    left: var(--page-pad-x);
    width: auto;
    bottom: 5rem;
    max-width: none;
  }

  .support-chat-fab {
    right: var(--page-pad-x);
    bottom: var(--page-pad-x);
  }
}

/* ========== Breakpoints: 1200 (2-col grid above), 768 (tablet), 480 (mobile) ========== */

@media (max-width: 767.98px) {
  .nav-inner {
    gap: 0.6rem;
  }

  .top-nav {
    width: 100%;
    justify-content: center;
  }

  .nav-link {
    flex: 0 1 auto;
  }

  .top {
    margin-bottom: var(--content-gap);
  }

  .top h1 {
    font-size: clamp(1.35rem, 5.5vw, 1.85rem);
  }

  .home-hero h1 {
    font-size: clamp(1.3rem, 6vw, 1.75rem);
  }

  .main-wrap {
    padding-top: clamp(1rem, 2.5vw, 1.5rem);
  }

  .card {
    padding: 1.15rem 1.2rem;
  }

  .home-layout .settings-row-two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1023.98px) {
  .field-row.two {
    grid-template-columns: 1fr;
  }

  .check-input-grid,
  .templates-workflow {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1440px) {
  :root {
    --content-gap: 1.5rem;
  }

  .top h1 {
    font-size: clamp(1.85rem, 2.2vw, 2.35rem);
  }
}

@media (max-width: 479.98px) {
  .page-container {
    padding: clamp(10px, 3vw, 12px);
  }

  .nav-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-brand {
    justify-content: center;
  }

  .top-nav {
    justify-content: center;
  }

  .card {
    padding: 1rem 0.95rem;
    margin-bottom: 0.75rem;
    border-radius: var(--radius-sm);
  }

  .req-chat-section {
    margin-bottom: var(--content-gap);
  }

  .req-chat-composer {
    padding: 0.22rem 0.3rem 0.22rem 0.35rem;
    gap: 0.15rem;
  }

  .req-chat-icon-btn {
    width: 2rem;
    height: 2rem;
  }

  .req-chat-textarea {
    font-size: 0.88rem;
    min-height: 2rem;
    max-height: 2.35rem;
    padding: 0.35rem 0.25rem;
  }

  .home-layout .preset-row--text {
    flex-direction: column;
  }

  .home-layout .preset-row--text .preset-chip {
    width: 100%;
    justify-content: center;
  }

  .btn-add-ref {
    max-width: none;
  }

  .ref-remove {
    align-self: flex-start;
  }
}

/* —— Check page —— */
.check-input-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--content-gap);
  width: 100%;
  min-width: 0;
}

@media (min-width: 1024px) {
  .check-input-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.check-select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
  font: inherit;
  background: var(--surface);
  color: var(--text);
}

.btn-check {
  width: 100%;
  margin-top: 0.5rem;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.25rem;
  font: inherit;
  font-size: 1.05rem;
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-check:hover {
  background: var(--accent-hover);
}

.btn-check:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.check-results {
  display: flex;
  flex-direction: column;
  gap: var(--content-gap);
  margin-top: var(--content-gap);
}

.check-results.hidden {
  display: none;
}

.check-detected-card.hidden {
  display: none;
}

.check-summary-top-card {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.check-summary-label {
  margin: 0 0 0.3rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 700;
}

.check-main-problems {
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
}

.check-main-problems .check-next-list {
  margin-bottom: 0;
}

.check-analysis-nav-card {
  margin-bottom: 0;
}

.check-analysis-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.check-analysis-tab {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.check-analysis-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.check-analysis-tab.is-active {
  border-color: var(--accent);
  background: var(--accent-muted);
  color: var(--accent-hover);
}

.check-analysis-panel {
  display: none;
}

.check-analysis-panel.is-active {
  display: block;
}

.check-analysis-panel .check-section-title {
  margin-bottom: 0.8rem;
}

.check-detail {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fafbfd;
  margin-bottom: 0.7rem;
}

.check-detail summary {
  list-style: none;
  cursor: pointer;
  padding: 0.7rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.check-detail summary::-webkit-details-marker {
  display: none;
}

.check-detail summary::after {
  content: "▾";
  float: right;
  color: var(--muted);
}

.check-detail[open] summary::after {
  transform: rotate(180deg);
}

.check-detail > *:not(summary) {
  border-top: 1px solid var(--line);
  padding: 0.8rem;
}

.check-detected-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.check-apply-btn {
  width: auto;
  margin-top: 0;
  white-space: nowrap;
}

.check-apply-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.check-detected-list {
  display: grid;
  grid-template-columns: minmax(9rem, 0.45fr) minmax(0, 1fr);
  gap: 0.55rem 0.9rem;
  margin: 1rem 0 0;
  font-size: 0.92rem;
}

.check-detected-list dt {
  color: var(--muted);
  font-weight: 700;
}

.check-detected-list dd {
  margin: 0;
  color: var(--text);
  overflow-wrap: anywhere;
}

.check-detected-list dd.is-muted {
  color: var(--muted);
  font-style: italic;
}

.check-score-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}

.check-score-ring-wrap {
  position: relative;
  width: 120px;
  height: 120px;
  flex-shrink: 0;
}

.check-score-ring {
  width: 120px;
  height: 120px;
  transform: rotate(-90deg);
}

.check-score-ring-bg {
  fill: none;
  stroke: var(--line);
  stroke-width: 10;
}

.check-score-ring-fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.6s ease, stroke 0.3s;
}

.check-score-ring-fill.score-high {
  stroke: #059669;
}

.check-score-ring-fill.score-mid {
  stroke: #d97706;
}

.check-score-ring-fill.score-low {
  stroke: #dc2626;
}

.check-score-value {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.check-score-meta {
  flex: 1;
  min-width: 200px;
}

.check-verdict {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.check-verdict.verdict-excellent {
  color: #059669;
}

.check-verdict.verdict-good {
  color: var(--accent);
}

.check-verdict.verdict-needs {
  color: #d97706;
}

.check-verdict.verdict-major {
  color: #dc2626;
}

.check-summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.check-section-title {
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

.structure-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.structure-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.structure-score {
  min-width: 8.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.8rem;
  text-align: center;
  background: #f8fafc;
}

.structure-score span {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1;
}

.structure-score small {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.structure-score.structure-high {
  border-color: #bbf7d0;
  background: #f0fdf4;
  color: #047857;
}

.structure-score.structure-mid {
  border-color: #fde68a;
  background: #fffbeb;
  color: #b45309;
}

.structure-score.structure-low {
  border-color: #fecaca;
  background: #fef2f2;
  color: #b91c1c;
}

.structure-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}

@media (min-width: 820px) {
  .structure-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.structure-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.8rem;
  background: #fafbfd;
}

.structure-panel h4,
.structure-suggestions h4 {
  margin: 0 0 0.55rem;
  font-size: 0.9rem;
}

.structure-list,
.structure-suggestion-list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  line-height: 1.45;
}

.structure-list li,
.structure-suggestion-list li {
  margin-bottom: 0.35rem;
}

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

.structure-suggestions {
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  background: #eff6ff;
}

.structure-tree {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.structure-tree li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.structure-tree-title {
  font-weight: 600;
  color: var(--text);
}

.structure-tree-meta {
  font-size: 0.85rem;
  color: var(--muted);
}

.check-categories-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.check-category-item {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 2fr) auto;
  gap: 0.65rem;
  align-items: center;
  font-size: 0.88rem;
}

.check-category-label {
  color: var(--text);
  font-weight: 600;
}

.check-category-bar-wrap {
  height: 8px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.check-category-bar {
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
  transition: width 0.5s ease;
}

.check-category-bar.bar-high {
  background: #059669;
}

.check-category-bar.bar-mid {
  background: #d97706;
}

.check-category-bar.bar-low {
  background: #dc2626;
}

.check-category-score {
  font-weight: 700;
  min-width: 2rem;
  text-align: right;
  color: var(--muted);
}

.check-two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--content-gap);
}

@media (min-width: 768px) {
  .check-two-col {
    grid-template-columns: 1fr 1fr;
  }
}

.check-good-title {
  color: #047857;
}

.check-work-title {
  color: #b45309;
}

.check-good-card,
.check-work-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.8rem;
  background: #fafbfd;
}

.check-bullet-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--text);
  font-size: 0.92rem;
}

.check-bullet-list li {
  margin-bottom: 0.4rem;
}

.check-empty-item {
  list-style: none;
  margin-left: -1.15rem;
  color: var(--muted);
  font-style: italic;
}

.check-issues-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.check-issue-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  background: #fafbfd;
}

.check-issue-card.severity-high {
  border-color: #fecaca;
  background: #fef2f2;
}

.check-issue-card.severity-medium {
  border-color: #fde68a;
  background: #fffbeb;
}

.check-issue-card.severity-low {
  border-color: var(--line);
}

.check-issue-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.check-issue-badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: var(--line);
  color: var(--muted);
}

.check-issue-card.severity-high .check-issue-badge {
  background: #fee2e2;
  color: #b91c1c;
}

.check-issue-card.severity-medium .check-issue-badge {
  background: #fef3c7;
  color: #b45309;
}

.check-issue-title {
  margin: 0;
  font-size: 0.98rem;
}

.check-issue-message {
  margin: 0 0 0.35rem;
  font-size: 0.9rem;
  color: var(--text);
}

.check-issue-location {
  margin: 0 0 0.35rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.check-issue-fix {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text);
}

.check-all-clear {
  margin: 0;
  padding: 0.75rem 1rem;
  background: var(--success-bg);
  border: 1px solid var(--success-line);
  border-radius: var(--radius-sm);
  color: #047857;
  font-weight: 600;
}

.check-next-list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.95rem;
}

.check-next-list li {
  margin-bottom: 0.45rem;
}

#check_citation_list,
#check_compliance_list {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .check-category-item {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
  }

  .check-category-bar-wrap {
    grid-column: 1 / -1;
  }

  .check-detected-list {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .check-detected-list dd {
    margin-bottom: 0.55rem;
  }

  .check-apply-btn {
    width: 100%;
  }
}

/* —— Toasts —— */
.toast-container {
  position: fixed;
  bottom: 5.5rem;
  right: 1rem;
  z-index: 200;
  pointer-events: none;
}

.toast {
  background: var(--text);
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s;
  max-width: min(22rem, calc(100vw - 2rem));
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.toast-success {
  background: #047857;
}

.toast-error {
  background: #b91c1c;
}

.toast-info {
  background: var(--accent);
}

/* —— Templates —— */
.templates-workflow {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--content-gap);
  width: 100%;
  min-width: 0;
}

@media (min-width: 1024px) {
  .templates-workflow {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .templates-settings-card {
    grid-column: 1 / -1;
  }
}

.templates-input-card,
.templates-template-card,
.templates-settings-card,
.templates-actions {
  margin-bottom: 0;
}

.templates-apply-btn {
  width: 100%;
  margin-top: 0.5rem;
}

.templates-apply-btn:disabled,
#tpl_format_btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.template-details {
  margin-top: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  background: #fafbfd;
}

.template-details summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--muted);
  user-select: none;
}

.template-details-body {
  margin-top: 0.75rem;
}

.template-details-body .template-card-desc {
  margin-top: 0;
}

.templates-actions {
  margin-top: var(--content-gap);
}

.templates-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--content-gap);
}

@media (min-width: 768px) {
  .templates-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .templates-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.template-card {
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
}

.template-card-title {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

.template-card-desc {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
  flex: 1;
}

.template-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin: 0 0 0.75rem;
  font-size: 0.82rem;
}

.template-meta dt {
  font-weight: 700;
  color: var(--muted);
  margin: 0;
}

.template-meta dd {
  margin: 0.1rem 0 0;
}

.template-sections-label {
  margin: 0 0 0.35rem;
}

.template-sections {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  color: var(--text);
}

.template-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.btn-template-use {
  flex: 1;
  min-width: 8rem;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1rem;
  font: inherit;
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-template-use:hover {
  background: var(--accent-hover);
}

.home-template-badge {
  margin: 0.5rem auto 0;
  max-width: 28rem;
  padding: 0.4rem 0.85rem;
  background: var(--accent-muted);
  color: var(--accent-hover);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.home-template-badge.hidden {
  display: none;
}

.btn-preview-toggle {
  width: 100%;
  margin-top: 0.25rem;
}

/* —— Before / After preview —— */
.preview-section.hidden {
  display: none;
}

.preview-section {
  margin-top: var(--content-gap);
}

.preview-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 1024px) {
  .preview-pair {
    grid-template-columns: 1fr 1fr;
  }
}

.preview-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  background: #fafbfd;
}

.preview-card--after {
  border-color: rgba(37, 99, 235, 0.35);
  background: #f8fbff;
}

.preview-label {
  margin: 0;
  font-weight: 800;
  font-size: 0.95rem;
}

.preview-sublabel {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.preview-frame {
  min-height: 10rem;
  max-height: 16rem;
  overflow: auto;
  padding: 0.75rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.preview-p {
  margin: 0 0 0.65rem;
}

.preview-p--heading,
.preview-doc h3 {
  margin: 0.85rem 0 0.35rem;
  font-size: 16pt;
  font-weight: 700;
  text-align: left;
}

.preview-diff-title {
  margin: 1rem 0 0.35rem;
  font-size: 0.95rem;
}

.preview-diff-list {
  margin: 0;
  padding-left: 1.15rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.preview-diff-empty {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  font-style: italic;
}

/* —— References tabs —— */
.ref-gen-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.ref-gen-header .card-title {
  margin: 0;
}

.ref-style-inline {
  margin: 0;
  min-width: 10rem;
}

.ref-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.65rem;
}

.ref-tab {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--muted);
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.ref-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.ref-tab.is-active {
  background: var(--accent-muted);
  border-color: var(--accent);
  color: var(--accent-hover);
}

.ref-tab-panel {
  display: none;
}

.ref-tab-panel.is-active {
  display: block;
}

.ref-generate-main {
  margin-top: 0.5rem;
}

.ref-preview-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: flex-start;
}

.ref-preview-row .ref-preview {
  flex: 1;
  min-width: 200px;
}

.ref-preview-actions {
  margin-top: 0.65rem;
}

.ref-empty-state {
  margin: 0.5rem 0;
  font-size: 0.88rem;
  color: var(--muted);
  font-style: italic;
}

.ref-empty-state.hidden {
  display: none;
}

.btn-copy {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--accent);
  white-space: nowrap;
}

.btn-copy:hover {
  background: var(--accent-muted);
  border-color: var(--accent);
}

.btn-copy-sm {
  padding: 0.25rem 0.55rem;
  font-size: 0.78rem;
}

.ref-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.ref-list li span {
  flex: 1;
  min-width: 0;
}

/* —— In-text helper —— */
.intext-card {
  margin-top: var(--content-gap);
}

.intext-quote-check {
  margin-bottom: 0.75rem;
}

.intext-results.hidden {
  display: none;
}

.intext-result-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
  margin-top: 0.75rem;
}

@media (min-width: 640px) {
  .intext-result-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.intext-result-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  background: #fafbfd;
}

.intext-result-label {
  margin: 0 0 0.25rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.intext-result-value {
  margin: 0 0 0.45rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.is-loading {
  opacity: 0.7;
  cursor: wait;
}