/* ===== PLACEOMETER DESIGN SYSTEM ===== */
:root {
  --bg: #080c14;
  --bg-2: #0d1220;
  --bg-3: #111827;
  --surface: #131929;
  --surface-2: #1a2236;
  --border: rgba(255,255,255,0.07);
  --border-2: rgba(255,255,255,0.12);
  --text: #e8eaf0;
  --text-2: #8b9ab3;
  --text-3: #4a5568;
  --accent: #4ade80;
  --accent-2: #3b82f6;
  --accent-3: #a78bfa;
  --accent-4: #f59e0b;
  --danger: #f87171;
  --warn: #fbbf24;
  --success: #4ade80;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.6);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--font-body); font-size: 15px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 3px; }

.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(8,12,20,0.85); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; gap: 32px; padding: 0 24px; height: 60px; }
.nav-logo { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 700; font-size: 17px; color: var(--text); margin-right: auto; }
.logo-icon { color: var(--accent); font-size: 20px; }
.nav-links { display: flex; gap: 24px; }
.nav-links a { color: var(--text-2); font-size: 14px; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.btn-nav { background: var(--surface-2); border: 1px solid var(--border-2); color: var(--text); font-size: 13px; font-weight: 500; padding: 7px 16px; border-radius: 8px; transition: all .2s; white-space: nowrap; }
.btn-nav:hover { background: var(--surface); border-color: var(--accent); color: var(--accent); }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

.btn-primary { display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: #050f0a; font-family: var(--font-body); font-weight: 600; font-size: 15px; padding: 12px 28px; border-radius: 10px; border: none; cursor: pointer; transition: all .2s; }
.btn-primary:hover { background: #22c55e; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(74,222,128,0.25); }
.btn-primary.btn-lg { padding: 15px 36px; font-size: 16px; }
.btn-ghost { display: inline-flex; align-items: center; color: var(--text-2); font-size: 15px; font-weight: 500; padding: 12px 20px; border-radius: 10px; border: 1px solid var(--border-2); background: transparent; transition: all .2s; cursor: pointer; }
.btn-ghost:hover { color: var(--text); border-color: var(--border-2); background: var(--surface); }
.btn-secondary { display: inline-flex; align-items: center; gap: 6px; background: var(--surface-2); color: var(--text); font-family: var(--font-body); font-weight: 500; font-size: 14px; padding: 10px 22px; border-radius: 9px; border: 1px solid var(--border-2); cursor: pointer; transition: all .2s; }
.btn-secondary:hover { background: var(--surface); border-color: var(--accent); color: var(--accent); }

.hero { min-height: 100vh; padding: 120px 24px 80px; max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; position: relative; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(74,222,128,0.08); border: 1px solid rgba(74,222,128,0.2); color: var(--accent); font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 20px; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 24px; }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(.8)} }
.hero-title { font-family: var(--font-display); font-size: clamp(36px,5vw,58px); font-weight: 800; line-height: 1.1; margin-bottom: 20px; letter-spacing: -0.02em; }
.title-accent { background: linear-gradient(135deg, #4ade80, #3b82f6); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-desc { color: var(--text-2); font-size: 17px; line-height: 1.7; max-width: 520px; margin-bottom: 36px; }
.hero-cta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 48px; }

.tool-page { min-height: 100vh; padding-top: 80px; }
.tool-header { padding: 48px 0 32px; border-bottom: 1px solid var(--border); }
.tool-header h1 { font-family: var(--font-display); font-size: 32px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 8px; }
.tool-header p { color: var(--text-2); font-size: 15px; }
.tool-nav { display: flex; gap: 4px; margin-top: 20px; background: var(--surface); border: 1px solid var(--border); padding: 4px; border-radius: 10px; width: fit-content; }
.tool-nav a { font-size: 13px; font-weight: 500; color: var(--text-2); padding: 7px 16px; border-radius: 7px; transition: all .15s; }
.tool-nav a:hover { color: var(--text); background: var(--surface-2); }
.tool-nav a.active { color: var(--text); background: var(--surface-2); border: 1px solid var(--border-2); }
.tool-body { padding: 40px 0 80px; }

.upload-zone { border: 2px dashed var(--border-2); border-radius: var(--radius-lg); padding: 56px; text-align: center; cursor: pointer; transition: all .2s; background: var(--surface); display: block; }
.upload-zone:hover, .upload-zone.drag-over { border-color: var(--accent); background: rgba(74,222,128,0.04); }
.upload-icon { font-size: 40px; margin-bottom: 16px; display: block; }
.upload-zone h3 { font-family: var(--font-display); font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.upload-zone p { color: var(--text-2); font-size: 14px; }
.upload-zone input[type=file] { display: none; }
.upload-hint { font-size: 12px; color: var(--text-3); margin-top: 12px; }

.analysis-layout { display: grid; grid-template-columns: 1fr 340px; gap: 24px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; }
.panel-title { font-family: var(--font-display); font-size: 16px; font-weight: 700; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.panel-title .ptag { font-size: 10px; font-weight: 600; color: var(--accent-2); background: rgba(59,130,246,0.1); padding: 2px 8px; border-radius: 4px; letter-spacing: 0.05em; }

.score-ring-wrap { display: flex; flex-direction: column; align-items: center; padding: 20px 0 28px; }
.big-ring { width: 160px; height: 160px; position: relative; margin-bottom: 16px; }
.big-ring svg { width: 160px; height: 160px; }
.big-ring-label { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); text-align: center; }
.big-ring-num { font-family: var(--font-display); font-size: 40px; font-weight: 800; line-height: 1; display: block; }
.big-ring-sub { font-size: 13px; color: var(--text-2); }
.score-grade { font-family: var(--font-display); font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.score-desc { font-size: 13px; color: var(--text-2); text-align: center; }

.breakdown-list { display: flex; flex-direction: column; gap: 14px; }
.breakdown-item { display: flex; flex-direction: column; gap: 6px; }
.breakdown-row { display: flex; justify-content: space-between; align-items: center; }
.breakdown-label { font-size: 13px; font-weight: 500; }
.breakdown-val { font-size: 13px; font-weight: 700; }
.breakdown-track { height: 6px; background: var(--bg-3); border-radius: 3px; overflow: hidden; }
.breakdown-fill { height: 100%; border-radius: 3px; transition: width 1.2s cubic-bezier(.22,1,.36,1); }

/* Fix #11: .chip.warn was missing */
.chip { display: inline-block; font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 12px; background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); }
.chip.found   { background: rgba(74,222,128,0.1);  color: var(--accent);   border-color: rgba(74,222,128,0.2); }
.chip.missing { background: rgba(248,113,113,0.1); color: var(--danger);  border-color: rgba(248,113,113,0.2); }
.chip.warn    { background: rgba(251,191,36,0.1);  color: var(--warn);    border-color: rgba(251,191,36,0.2); }

.section-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }

.github-form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; margin-bottom: 32px; display: flex; gap: 12px; align-items: flex-end; }
.form-group { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.form-label { font-size: 13px; font-weight: 500; color: var(--text-2); }
.form-input { background: var(--bg-3); border: 1px solid var(--border-2); color: var(--text); font-family: var(--font-body); font-size: 15px; padding: 11px 16px; border-radius: 9px; outline: none; transition: border-color .2s; }
.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text-3); }

.gh-profile { display: flex; align-items: center; gap: 20px; margin-bottom: 28px; }
.gh-avatar { width: 72px; height: 72px; border-radius: 50%; border: 2px solid var(--border-2); object-fit: cover; }
.gh-name { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.gh-bio { font-size: 14px; color: var(--text-2); }
.gh-meta { display: flex; gap: 16px; margin-top: 8px; flex-wrap: wrap; }
.gh-meta-item { font-size: 13px; color: var(--text-2); }
.gh-meta-item strong { color: var(--text); }

.repo-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.repo-card { background: var(--bg-3); border: 1px solid var(--border); border-radius: 10px; padding: 16px; transition: border-color .2s; }
.repo-card:hover { border-color: var(--border-2); }
.repo-name { font-size: 14px; font-weight: 600; margin-bottom: 4px; color: var(--accent-2); }
.repo-desc { font-size: 12px; color: var(--text-2); margin-bottom: 8px; min-height: 32px; }
.repo-meta { display: flex; gap: 12px; }
.repo-tag { font-size: 11px; color: var(--text-3); display: flex; align-items: center; gap: 4px; }
.repo-issues { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.repo-issue { font-size: 10px; padding: 2px 8px; border-radius: 10px; font-weight: 600; }

.alert { padding: 14px 18px; border-radius: 10px; font-size: 14px; display: flex; gap: 10px; align-items: center; margin-bottom: 16px; }
.alert.error   { background: rgba(248,113,113,0.08); border: 1px solid rgba(248,113,113,0.2); color: var(--danger); }
.alert.info    { background: rgba(59,130,246,0.08);  border: 1px solid rgba(59,130,246,0.2);  color: var(--accent-2); }
.alert.success { background: rgba(74,222,128,0.08);  border: 1px solid rgba(74,222,128,0.2);  color: var(--accent); }

.footer { border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; margin-left: auto; }
.footer-links a { font-size: 13px; color: var(--text-3); transition: color .2s; }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: 13px; color: var(--text-3); width: 100%; text-align: center; margin-top: 16px; }

.active-link { color: var(--text) !important; }
.nav-links a.active-link { color: var(--accent) !important; }

/* Tasks page */
.roadmap-header { background: var(--surface); border: 1px solid rgba(255,255,255,0.03); border-radius: 20px; padding: 30px; margin-bottom: 40px; display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
.roadmap-stat-val { font-family: var(--font-display); font-size: 40px; font-weight: 800; color: var(--accent); line-height: 1; }
.roadmap-stat-lbl { font-size: 12px; color: var(--text-2); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.roadmap-progress-wrap { flex: 1; min-width: 240px; }
.ph-bar-track { height: 8px; background: var(--bg-3); border-radius: 4px; overflow: hidden; }
.ph-bar-fill { height: 100%; background: linear-gradient(90deg,var(--accent),var(--accent-2)); border-radius: 4px; transition: width .6s ease; }
.coach-card { background: var(--surface); border: 1px solid rgba(255,255,255,0.03); border-radius: 16px; padding: 24px; margin-bottom: 20px; display: flex; gap: 20px; cursor: pointer; transition: all .25s cubic-bezier(.4,0,.2,1); }
.coach-card:hover, .coach-card:focus { outline: none; border-color: rgba(255,255,255,0.08); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,0,0,.15); }
.coach-card.checked { border-color: rgba(74,222,128,0.15); background: rgba(8,12,20,.25); opacity: .7; }
.coach-card-check { background: var(--bg-3); border: 1.5px solid var(--border); border-radius: 8px; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 14px; font-weight: bold; color: var(--accent); flex-shrink: 0; transition: all .2s ease; margin-top: 2px; }
.coach-card.checked .coach-card-check { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.coach-card-content { display: flex; flex-direction: column; gap: 14px; flex-grow: 1; }
.coach-card-title { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--text); line-height: 1.35; }
.coach-card.checked .coach-card-title { text-decoration: line-through; color: var(--text-3); }

/* Responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 100px; }
  .analysis-layout { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .repo-grid { grid-template-columns: 1fr; }
}

/* Fix #12: github-form stacks on mobile */
@media (max-width: 600px) {
  .github-form { flex-direction: column; }
  .github-form .btn-primary { width: 100%; justify-content: center; }
  .tool-nav { overflow-x: auto; }
}