/* Light, professional theme for CodeSniff */
:root{
  --bg: #f7fbff;
  --surface: #ffffff;
  --muted: #586174;
  --text: #0b1220;
  --accent: #2563eb;
  --accent-2: #16a34a;
  --border: #e6eef8;
  --card-shadow: 0 10px 30px rgba(11,17,34,0.06);
  --radius: 14px;
}

/* Reset */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg), #eef6ff 60%);
  color: var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Container */
.container{max-width:1350px;margin:18px auto;padding:0 18px}

/* Topbar */
.topbar{
  position:sticky;
  top:0;
  z-index:40;
  background: rgba(255,255,255,0.9);
  border-bottom:1px solid var(--border);
  backdrop-filter: blur(6px);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; gap:12px; padding:10px}

/* Brand */
.brand-logo{height:44px; width:auto; object-fit:contain; display:block}

/* Nav */
.nav{display:flex; gap:12px}
.nav-link{
  color:var(--muted);
  text-decoration:none;
  padding:8px 12px;
  border-radius:10px;
  font-weight:600;
}
.nav-link:hover{background:var(--surface); box-shadow:var(--card-shadow); color:var(--text)}

/* HERO */
.hero{
  display:flex;
  gap:28px;
  align-items:center;
  margin-top:18px;
  padding:30px;
  border-radius:var(--radius);
  background: linear-gradient(180deg,#ffffff, #fbfdff);
  border:1px solid var(--border);
  box-shadow: var(--card-shadow);
}
.hero-content{flex:1}
.hero h1{margin:0; font-size:28px; letter-spacing:-0.4px}
.subtitle{margin:8px 0 18px; color:var(--muted)}
.hero .btn{margin-right:10px}
.hero-illustration{width:320px; display:flex; align-items:center; justify-content:center}
.hero-logo{max-width:300px; display:block}

/* Features */
.features{display:grid; gap:16px; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); margin:22px 0}
.card{
  background:var(--surface);
  border:1px solid var(--border);
  padding:16px;
  border-radius:12px;
  box-shadow:var(--card-shadow);
}
.card h3{margin:0 0 8px}

/* Tabs and panels */
.tabs{display:flex; gap:8px; margin:10px 0}
.tab{
  padding:10px 14px;
  border-radius:10px;
  border:1px solid var(--border);
  background:transparent;
  color:var(--muted);
  cursor:pointer;
  font-weight:700;
}
.tab.active{background: linear-gradient(90deg,var(--accent), #6aa8ff); color:white; border-color:transparent}

/* Panel */
.tabpanel{display:none; background:var(--surface); border:1px solid var(--border); padding:16px; border-radius:12px; box-shadow:var(--card-shadow)}
.tabpanel.active{display:block}

/* Split for code areas */
.split{display:grid; grid-template-columns:1fr; gap:12px}
@media(min-width:900px){ .split{grid-template-columns:1fr 1fr} }
.panel label{display:block; margin:0 0 8px; color:var(--muted)}
textarea{
  width:100%;
  min-height:240px;
  resize:vertical;
  background:#fbfdff;
  border:1px solid var(--border);
  padding:12px;
  border-radius:10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color:var(--text);
}

/* controls row */
.controls-row{display:flex; gap:12px; align-items:center; margin-top:12px; flex-wrap:wrap}
.checkbox{display:flex; align-items:center; gap:8px; color:var(--muted)}
.inline{display:flex; gap:8px; align-items:center}
.params input[type="number"]{width:72px; padding:6px; border-radius:8px; border:1px solid var(--border)}
.btn{padding:9px 14px; border-radius:10px; border:1px solid rgba(0,0,0,0.06); background:var(--surface); cursor:pointer; font-weight:700}
.btn-primary{background: linear-gradient(90deg,var(--accent), #6aa8ff); color:white; border:none; box-shadow: 0 8px 20px rgba(37,99,235,0.12)}
.btn:hover{transform:translateY(-1px)}

/* dropzone */
.dropzone{
  border:2px dashed #dbeafe;
  border-radius:12px;
  padding:22px;
  text-align:center;
  background:#ffffff;
  cursor:pointer;
}
.dropzone.dragover{border-color:var(--accent)}

/* file list */
.filelist{margin-top:12px; display:grid; gap:8px}
.file{display:flex; justify-content:space-between; gap:12px; padding:10px; border-radius:10px; background:#ffffff; border:1px solid var(--border)}
.badge{font-size:12px; background:#f1f6ff; padding:4px 8px; border-radius:999px; color:var(--muted)}

/* results */
.results{margin-top:18px}
.table{width:100%; border-collapse:collapse; min-width:640px; background:var(--surface); border-radius:8px; overflow:hidden}
.table th,.table td{padding:12px; text-align:left; border-bottom:1px solid var(--border)}
.table tbody tr:hover{background:#fbfdff}

/* footer */
.footer{margin:40px 0 80px; text-align:center; color:var(--muted)}

/* utilities */
.hidden{display:none}
.muted{color:var(--muted)}
.page-title{margin:8px 0 14px}

/* ---------- Topbar: ensure constant on scroll ---------- */
.topbar{
  position: sticky;   /* already set, but reinforce */
  top: 0;
  z-index: 1100;
  background: rgba(255,255,255,0.98); /* keeps same visible look while staying on top */
  border-bottom: 1px solid rgba(255,255,255,0.04);
  box-shadow: 0 6px 18px rgba(11,17,34,0.06);
}

/* If you want the topbar darker on scroll, add this class when scrolling (optional JS) */
.topbar.scrolled{
  background: #0f2540;
  color: #fff;
  transition: background .25s ease;
}

/* ---------- Footer ---------- */
.site-footer{
  background: #0b1930; /* deep navy (dark) */
  color: #dfe9ff;
  padding: 48px 0 36px;
  margin-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.03);
}

.site-footer .footer-inner{
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* grid of columns */
.footer-columns{
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 28px;
  align-items: start;
}

.site-footer .col h4{
  margin: 0 0 12px;
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
}

.site-footer .col ul{
  list-style: none;
  padding: 0;
  margin: 0;
  color: #bfcfe8;
  line-height: 1.9;
  font-size: 14px;
}

.site-footer .col ul li{ opacity: 0.95 }

/* footer bottom area: left content + right contact aligned horizontally */
.footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

/* Left area */
.footer-bottom .left{ display:flex; flex-direction:column; gap:12px; align-items:flex-start }
.brand-row{ display:flex; gap:14px; align-items:center }
.footer-logo{ height:36px; object-fit:contain }
.ratings{ color:#9fb1e9; font-size:13px; display:flex; gap:8px; align-items:center }

/* language buttons */
.lang-row{ margin-top:6px }
.lang{ background: rgba(255,255,255,0.03); color:#dbe9ff; border:1px solid rgba(255,255,255,0.03);
      padding:6px 8px; border-radius:6px; margin-right:6px; font-weight:700; cursor:pointer }

/* Right area (contact & social) */
.footer-bottom .right{ display:flex; flex-direction:column; align-items:flex-end; gap:8px; min-width:260px; }

/* contact block aligned right */
.contact{ display:flex; gap:12px; align-items:center }
.contact-info{ text-align:right; line-height:1.35; color:#dfe9ff; font-size:14px }
.avatars img{ width:40px; height:40px; border-radius:50%; object-fit:cover; margin-left:8px; border:2px solid rgba(255,255,255,0.06) }

/* social links */
.social{ display:flex; gap:10px }
.social a{ display:inline-flex; width:34px; height:34px; border-radius:6px; align-items:center; justify-content:center;
           background: rgba(255,255,255,0.03); color:#cfe1ff; text-decoration:none; font-weight:700; }

/* copyright */
.copyright{ font-size:13px; color:#9fb1e9; margin-top:6px }

/* responsiveness */
@media(max-width:1100px){
  .footer-columns{ grid-template-columns: repeat(2, 1fr); gap:18px; }
  .footer-bottom{ flex-direction:column; align-items:flex-start }
  .footer-bottom .right{ align-items:flex-start; min-width:0; width:100% }
  .contact-info{ text-align:left }
}

@media(max-width:600px){
  .footer-columns{ grid-template-columns: 1fr; }
  .brand-row{ flex-direction:column; align-items:flex-start; gap:8px }
}

/* Remove gap above topbar container */
.topbar .container {
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  max-width:1300px;
}

/* NAV BUTTONS → rectangular sky blue */
.nav-link {
  background: #43a0e2;               /* light sky blue */
  color: #ffffff !important;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 700;
  border: none;
  box-shadow: 0 3px 10px rgba(77, 181, 255, 0.35);
  transition: 0.2s ease;
}

/* Hover */
.nav-link:hover {
  background: #43a0e2;               /* slightly deeper sky blue */
  transform: translateY(-1px);
  color: #ffffff !important;
}

/* Optional active state */
.nav-link.active {
  background: #2f9eff;
  color: #fff !important;
}

/* ================= Enhanced styles for "Who can use" section ================= */
.long-article { margin: 36px 0 56px; }
.article-inner {
  padding: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(248,251,255,0.98));
  border: 1px solid rgba(14,32,64,0.04);
  border-radius: 14px;
  box-shadow: 0 16px 36px rgba(11,17,34,0.06);
}

/* Heading & lead */
.long-article h2 { font-size: 30px; margin-bottom: 10px; color: var(--text); letter-spacing:-0.3px; }
.long-article .lead { color: var(--muted); font-size:16px; margin-bottom:18px; line-height:1.6; max-width:1000px; }

/* Cards grid */
.cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 18px;
}
@media (max-width:1100px) { .cards-row { grid-template-columns: repeat(2, 1fr); } }
@media (max-width:700px) { .cards-row { grid-template-columns: 1fr; } }

/* Card look */
.info-card {
  position: relative;
  padding: 18px;
  border-radius: 12px;
  background: linear-gradient(180deg,#fff,#fbfdff);
  border: 1px solid rgba(37,99,235,0.04);
  box-shadow: 0 12px 28px rgba(11,17,34,0.04);
  transition: transform .22s cubic-bezier(.2,.9,.3,1), box-shadow .22s ease, border-color .22s ease;
  min-height: 170px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* accent stripe */
.info-card::before {
  content:"";
  position:absolute;
  left:0;
  top:12px;
  bottom:12px;
  width:6px;
  border-radius:6px;
  background: linear-gradient(180deg,var(--accent),var(--accent-2));
  transition: transform .22s ease;
}

/* hover */
.info-card:hover { transform: translateY(-8px) scale(1.01); box-shadow: 0 28px 60px rgba(11,17,34,0.08); border-color: rgba(37,99,235,0.12); }
.info-card:hover::before { transform: scaleY(1.02); }

/* text */
.info-card h3 { margin: 0 0 8px; font-size:18px; color: var(--text); }
.info-card .brief { color: var(--muted); margin-bottom:10px; line-height:1.55; }

/* collapsible details inside card */
.info-card .full-text {
  color: var(--text);
  max-height: 0;
  overflow: hidden;
  transition: max-height .34s cubic-bezier(.2,.8,.2,1), padding .22s ease;
  padding-top: 0;
}
.info-card .full-text.open { max-height: 380px; padding-top: 10px; }

/* card-level button (added if you want) */
.info-card .read-toggle {
  margin-top: 12px;
  align-self: flex-start;
  background: linear-gradient(90deg,#4db5ff,#35a8ff);
  color:#fff;
  padding:9px 14px;
  border-radius:8px;
  border: none;
  cursor: pointer;
  font-weight:700;
  box-shadow: 0 8px 18px rgba(77,181,255,0.18);
  transition: transform .12s ease, box-shadow .12s ease;
}
.info-card .read-toggle:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(77,181,255,0.22); }

/* separators and summary */
.article-sep { height:1px; background: rgba(14,32,64,0.04); border:none; margin:22px 0; }
.article-block h3 { margin-top:0; font-size:22px; color:var(--text); }
.summary ul { margin:12px 0 8px 20px; color:var(--muted); line-height:1.6; }

/* main expandable body */
.full-article {
  max-height: 220px;
  overflow: hidden;
  transition: max-height .42s cubic-bezier(.2,.9,.2,1), color .18s ease;
  color: var(--muted);
  padding-right:4px;
}
.full-article.open { max-height: 2000px; color: var(--text); }

/* large toggle */
.read-more-large {
  margin-top:14px;
  background: linear-gradient(90deg,var(--accent),var(--accent-2));
  color:#fff;
  padding:10px 16px;
  border-radius:10px;
  border: none;
  font-weight:800;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(37,99,235,0.12);
}
.read-more-large:hover { transform: translateY(-3px); }

/* tips and list styles */
.tips h3 { margin-top:10px; color:var(--text); }
.tips ol { margin-left:18px; color:var(--text); line-height:1.7; }

/* utility: initial hidden */
.hidden { display:none !important; }

/* responsive tweaks */
@media (max-width:980px) {
  .article-inner { padding:20px; }
  .cards-row { grid-template-columns: repeat(2,1fr); gap:14px; }
}
@media (max-width:700px) {
  .cards-row { grid-template-columns: 1fr; }
  .info-card { min-height: auto; }
  .info-card::before { top:10px; bottom:10px; width:5px; }
}

.full-article {
  max-height: none !important;
  overflow: visible !important;
  color: var(--text) !important;
  padding-top: 10px;
}

.site-footer {
  padding-left: 50px !important;
  padding-right: 50px !important;
}

/* ===== Equal, symmetrical 4-column footer ===== */
.footer-inner {
  max-width: 1300px;    /* container width for centering */
  margin: 0 auto;
  padding-left: 48px;   /* keep some breathing room from page edges */
  padding-right: 48px;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)); /* four equal columns */
  gap: 36px;                /* horizontal & vertical gap */
  align-items: start;
}

/* make each column content align consistently */
.footer-columns .col {
  padding: 0 6px;
}

/* heading alignment and list styling */
.footer-columns .col h4 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 800;
  color: #ffffff;
}
.footer-columns .col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  color: #bfcfe8;
  line-height: 1.9;
  font-size: 14px;
}
.footer-columns .col ul li { margin: 8px 0; }

/* ensure the dividing rule sits under the columns, not over the content */
.footer-divider {
  margin-top: 28px;
  margin-bottom: 22px;
}

/* footer-bottom alignment (logo + contact row) */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding-top: 8px;
  padding-bottom: 18px;
}

/* keep logos and contact inside container spacing */
.footer-bottom .left, .footer-bottom .right {
  padding-left: 6px;
  padding-right: 6px;
}

/* Responsive breakpoints */
@media (max-width: 1100px) {
  .footer-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .footer-inner { padding-left: 32px; padding-right: 32px; }
}
@media (max-width: 680px) {
  .footer-columns { grid-template-columns: 1fr; gap: 18px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; text-align: left; gap: 12px; }
  .footer-inner { padding-left: 18px; padding-right: 18px; }
}

/* ===== Report-specific helpers (append to bottom of style.css) ===== */

/* small rounded tags used on report header */
.tag {
  display:inline-block;
  padding:6px 10px;
  border-radius:999px;
  background: linear-gradient(180deg, rgba(37,99,235,0.06), rgba(37,99,235,0.02));
  color: var(--muted);
  font-weight:700;
  margin-right:8px;
  font-size:13px;
}

/* color classes for hybrid severity */
.ok   { color: #16a34a; font-weight:700; }   /* green-ish */
.warn { color: #d97706; font-weight:700; }   /* amber */
.bad  { color: #ef4444; font-weight:700; }   /* red */

/* metrics table tweaks for report cards */
.card table { width:100%; border-collapse:collapse; margin-top:12px; }
.card th, .card td {
  padding:10px 8px;
  border-bottom: 1px solid var(--border);
}
.card th { color: var(--muted); font-weight:700; text-align:left; }

/* nicer code block inside .card */
.card code, .card pre {
  display:block;
  background: linear-gradient(180deg,#fbfdff,#f7fbff);
  color: var(--text);
  padding:12px;
  border-radius:10px;
  margin-top:10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", monospace;
  white-space: pre-wrap;
  line-height:1.45;
  font-size:13px;
  border:1px solid var(--border);
}

/* small "close" button region for report full page */
.report-back { margin: 10px 0 6px; }
.report-back .btn { padding:8px 12px; border-radius:8px; }

/* ensure card spacing inside container on small screens */
@media (max-width:700px) {
  .card { padding:14px; border-radius:10px; }
  .tag { font-size:12px; padding:5px 8px; }
}