:root {
  --green: #007b5f;
  --green-dark: #005c48;
  --yellow: #fed141;
  --ink: #17201e;
  --muted: #5d6966;
  --line: #d9e1df;
  --surface: #ffffff;
  --bg: #f4f7f6;
  --danger: #a32424;
  --warning: #7a5b00;
  --ok: #136b3f;
  --shadow: 0 18px 45px rgba(16, 45, 38, 0.09);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.55; }
button, input, select { font: inherit; }
button, select, input[type="file"] { min-height: 44px; }
button { cursor: pointer; }
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 1000; padding: .8rem 1rem; background: #000; color: #fff; }
.skip-link:focus { left: 1rem; top: 1rem; }
.site-header { background: linear-gradient(135deg, var(--green-dark), var(--green)); color: white; border-bottom: 6px solid var(--yellow); }
.header-inner { max-width: 1240px; margin: 0 auto; padding: 2.2rem 1.25rem; display: flex; gap: 2rem; align-items: flex-start; justify-content: space-between; }
h1, h2, h3 { line-height: 1.2; }
h1 { margin: .2rem 0 .55rem; font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { margin: .15rem 0 .75rem; font-size: 1.4rem; }
.subtitle { margin: 0; max-width: 800px; opacity: .94; }
.eyebrow { margin: 0; font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; }
.badge { background: var(--yellow); color: #201900; padding: .45rem .7rem; border-radius: 999px; font-weight: 800; white-space: nowrap; }
.layout { max-width: 1240px; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; display: grid; grid-template-columns: minmax(300px, .95fr) minmax(320px, 1.05fr); gap: 1.25rem; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); padding: 1.25rem; }
.preview-panel { grid-column: 1 / -1; }
.section-heading, .preview-toolbar, .button-row { display: flex; gap: .75rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.button-row { justify-content: flex-start; margin-top: 1rem; }
.button-row.compact { margin-top: .5rem; }
button { border: 1px solid #b7c4c1; border-radius: 10px; background: white; color: var(--ink); padding: .65rem .9rem; font-weight: 700; }
button:hover:not(:disabled) { border-color: var(--green); color: var(--green-dark); }
button:focus-visible, select:focus-visible, input:focus-visible, .drop-zone:focus-within, .apa-paper:focus-visible { outline: 3px solid #0b6cff; outline-offset: 2px; }
button.primary { background: var(--green); color: white; border-color: var(--green); }
button.primary:hover:not(:disabled) { background: var(--green-dark); color: white; }
button:disabled { opacity: .5; cursor: not-allowed; }
.drop-zone { display: grid; place-items: center; text-align: center; gap: .25rem; min-height: 180px; margin: 1rem 0; padding: 1rem; border: 2px dashed #9cb4ae; border-radius: 14px; background: #f8fbfa; transition: .15s ease; }
.drop-zone.dragging { border-color: var(--green); background: #eef8f4; transform: translateY(-1px); }
.drop-zone input { width: 100%; margin-top: .75rem; }
.drop-icon { font-size: 2rem; color: var(--green); }
.file-list { display: grid; gap: .5rem; margin: .75rem 0 1rem; }
.file-item { display: flex; justify-content: space-between; gap: .75rem; padding: .65rem .75rem; background: #f7f9f8; border-radius: 9px; }
.file-size { color: var(--muted); white-space: nowrap; }
fieldset { border: 1px solid var(--line); border-radius: 12px; padding: 1rem; }
legend { font-weight: 800; padding: 0 .35rem; }
fieldset label:not(.checkbox-row) { display: grid; gap: .35rem; font-weight: 700; }
select { width: 100%; padding: .55rem; border: 1px solid #aebbb8; border-radius: 8px; background: white; }
.checkbox-row { display: flex; gap: .55rem; align-items: flex-start; margin-top: .8rem; }
.checkbox-row input { margin-top: .25rem; }
.status { min-height: 1.5rem; margin-top: .8rem; font-weight: 700; }
.status.error { color: var(--danger); }.status.success { color: var(--ok); }
.score { min-width: 72px; text-align: center; padding: .55rem .7rem; border-radius: 999px; background: #eef3f2; font-weight: 900; font-size: 1.1rem; }
.metrics { display: grid; grid-template-columns: repeat(2, minmax(120px, 1fr)); gap: .6rem; margin: .8rem 0; }
.metrics span { background: #f5f8f7; border: 1px solid var(--line); border-radius: 10px; padding: .65rem .75rem; }
.metrics strong { display: inline-block; min-width: 1.4em; font-size: 1.1rem; color: var(--green-dark); }
.audit-list { padding-left: 1.2rem; }
.audit-list li { margin: .55rem 0; }
.audit-list .ok { color: var(--ok); }.audit-list .warn { color: var(--warning); }.audit-list .error { color: var(--danger); font-weight: 700; }
.muted { color: var(--muted); }
.paper-wrap { overflow: auto; padding: 1rem; border-radius: 14px; background: #dfe5e3; }
.apa-paper { width: min(8.5in, 100%); min-height: 11in; margin: 0 auto; padding: 1in; background: white; color: #000; box-shadow: 0 8px 24px rgba(0,0,0,.12); font-family: "Times New Roman", Times, serif; font-size: 12pt; line-height: 2; overflow-wrap: anywhere; }
.apa-paper section[data-source-file] { display: contents; }
.apa-paper p { margin: 0; text-indent: .5in; }
.apa-paper p.no-indent, .apa-paper .apa-title, .apa-paper .apa-heading, .apa-paper .apa-reference, .apa-paper .apa-figure-label, .apa-paper .apa-note { text-indent: 0; }
.apa-paper .apa-title { text-align: center; font-weight: 700; margin: 0 0 1em; }
.apa-paper h1, .apa-paper h2, .apa-paper h3, .apa-paper h4, .apa-paper h5, .apa-paper h6, .apa-paper .apa-heading { font: inherit; margin: 1em 0 0; }
.apa-paper h1, .apa-paper .level-1 { text-align: center; font-weight: 700; }
.apa-paper h2, .apa-paper .level-2 { text-align: left; font-weight: 700; }
.apa-paper h3, .apa-paper .level-3 { text-align: left; font-weight: 700; font-style: italic; }
.apa-paper .apa-reference { padding-left: .5in; text-indent: -.5in; }
.apa-paper .apa-figure-label { font-weight: 700; }.apa-paper .apa-figure-title { font-style: italic; text-indent: 0; }.apa-paper .apa-note { font-size: 11pt; }
.apa-paper a { color: inherit; text-decoration: underline; }.apa-paper .placeholder { color: #666; text-indent: 0; }
.apa-paper .document-separator { border: 0; border-top: 1px solid #aaa; margin: 1.5em 0; }
.apa-paper table { width: 100%; border-collapse: collapse; margin: 1em 0; }.apa-paper th, .apa-paper td { border: 1px solid #777; padding: .3em; text-align: left; vertical-align: top; }
footer { max-width: 1240px; margin: 0 auto; padding: 0 1.25rem 2rem; color: var(--muted); font-size: .9rem; }
@media (max-width: 820px) { .layout { grid-template-columns: 1fr; }.preview-panel { grid-column: auto; }.header-inner { flex-direction: column; }.apa-paper { padding: .65in; }.metrics { grid-template-columns: 1fr; } }
@media print { body { background: white; }.site-header, .controls, .audit, .preview-toolbar, .muted, footer { display: none !important; }.layout, .panel, .paper-wrap { display: block; margin: 0; padding: 0; border: 0; box-shadow: none; background: white; }.apa-paper { width: 8.5in; min-height: 11in; margin: 0; box-shadow: none; padding: 1in; } }