/* ============ Design tokens ============ */
:root{
  --bg: #0B0E14;
  --bg-2: #0F1420;
  --surface: #131A26;
  --surface-2: #1A2333;
  --border: #232E42;
  --text: #E7E9EE;
  --muted: #8A93A6;
  --accent: #F2C14E;      /* starlight amber */
  --accent-2: #7C83FD;    /* orbit violet */
  --accent-3: #6EE7B7;    /* mint, sparingly */
  --danger: #FF6B6B;
  --radius: 14px;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --sans: 'Inter', system-ui, sans-serif;
  --shadow: 0 20px 60px -20px rgba(0,0,0,0.6);
}

body[data-theme="light"]{
  --bg: #F5F3EE;
  --bg-2: #EFECE4;
  --surface: #FFFFFF;
  --surface-2: #F7F5F0;
  --border: #E2DED3;
  --text: #221F1A;
  --muted: #756F62;
  --accent: #C77D2E;
  --accent-2: #5B5FE0;
  --accent-3: #12866F;
  --shadow: 0 20px 50px -25px rgba(60,50,30,0.25);
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  min-height:100vh;
  overflow-x:hidden;
  transition:background .5s ease, color .5s ease;
  position:relative;
}
.hidden{display:none !important;}
button{font-family:inherit; cursor:pointer; border:none; background:none; color:inherit;}
input{font-family:inherit;}
img{display:block; max-width:100%;}

#starfield{
  position:fixed; inset:0; width:100%; height:100%;
  z-index:0; pointer-events:none;
  opacity:.6;
}
body[data-theme="light"] #starfield{opacity:.15;}

.app{position:relative; z-index:1; max-width:1080px; margin:0 auto; padding:28px 24px 60px;}

/* ============ Topbar ============ */
.topbar{display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:56px;}
.brand{display:flex; align-items:baseline; gap:8px; flex-wrap:wrap; min-width:0;}
.brand-mark{font-family:var(--mono); color:var(--accent); font-weight:700; font-size:1.1rem; flex-shrink:0;}
.brand-name{font-family:var(--mono); font-weight:800; font-size:.98rem; letter-spacing:.01em; white-space:nowrap;}
.brand-tag{font-size:.75rem; color:var(--muted); font-family:var(--mono); display:none;}
@media(min-width:640px){.brand-name{font-size:1.15rem;} .brand-tag{display:inline;}}

.theme-toggle{
  width:40px; height:40px; border-radius:50%;
  background:var(--surface); border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem; transition:transform .3s ease, background .3s ease;
}
.theme-toggle:hover{transform:rotate(20deg);}

/* ============ Search zone ============ */
.search-zone{text-align:center; margin-bottom:44px;}
.eyebrow{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--accent); margin-bottom:14px;
}
.search-title{
  font-family:var(--mono); font-weight:700; font-size:clamp(1.5rem, 4vw, 2.4rem);
  line-height:1.25; margin-bottom:30px; letter-spacing:-.01em;
}
.search-form{
  display:flex; align-items:center; gap:0; max-width:440px; margin:0 auto 18px;
  background:var(--surface); border:1px solid var(--border); border-radius:12px;
  padding:6px 6px 6px 18px; box-shadow:var(--shadow);
  transition:border-color .2s ease;
}
.search-form:focus-within{border-color:var(--accent);}
.search-glyph{color:var(--muted); font-family:var(--mono); font-weight:600;}
.search-form input{
  flex:1; background:none; border:none; outline:none; color:var(--text);
  font-size:1rem; padding:12px 8px; font-family:var(--mono);
}
.search-form button{
  background:var(--accent); color:#14100A; font-weight:700; font-family:var(--mono);
  padding:12px 22px; border-radius:8px; font-size:.9rem; transition:filter .2s ease, transform .15s ease;
}
.search-form button:hover{filter:brightness(1.08);}
.search-form button:active{transform:scale(.97);}

.quick-picks{display:flex; align-items:center; justify-content:center; gap:10px; flex-wrap:wrap; font-size:.8rem; color:var(--muted); font-family:var(--mono);}
.chip{
  border:1px solid var(--border); padding:5px 12px; border-radius:20px; font-size:.78rem;
  color:var(--muted); transition:all .2s ease;
}
.chip:hover{color:var(--text); border-color:var(--accent-2); background:var(--surface);}

/* ============ Stage / states ============ */
.stage{min-height:200px; position:relative;}
.state{animation:stateIn .5s ease both;}
@keyframes stateIn{from{opacity:0; transform:translateY(14px);} to{opacity:1; transform:translateY(0);}}

.state-idle, .state-loading, .state-error{
  display:flex; flex-direction:column; align-items:center; text-align:center;
  gap:16px; padding:60px 20px; color:var(--muted); font-family:var(--mono); font-size:.9rem;
}

.idle-orbit{position:relative; width:64px; height:64px;}
.idle-dot{position:absolute; width:8px; height:8px; border-radius:50%; background:var(--accent); top:0; left:28px; animation:spin 3s linear infinite;}
.idle-dot.d2{background:var(--accent-2); animation-duration:4.5s; animation-direction:reverse;}
.idle-dot.d3{background:var(--accent-3); animation-duration:6s;}
@keyframes spin{from{transform:rotate(0deg) translateX(28px) rotate(0deg);} to{transform:rotate(360deg) translateX(28px) rotate(-360deg);}}

.loader-rings{display:flex; gap:8px;}
.loader-rings span{
  width:10px; height:10px; border-radius:50%; background:var(--accent-2);
  animation:bounce 1s ease-in-out infinite;
}
.loader-rings span:nth-child(2){background:var(--accent); animation-delay:.15s;}
.loader-rings span:nth-child(3){background:var(--accent-3); animation-delay:.3s;}
@keyframes bounce{0%,80%,100%{transform:translateY(0); opacity:.5;} 40%{transform:translateY(-10px); opacity:1;}}

.error-glyph{font-size:2rem; color:var(--danger);}
#errorTitle{font-family:var(--sans); color:var(--text); font-size:1.15rem;}
#errorBody{max-width:420px;}
.retry-btn{
  margin-top:6px; background:var(--surface); border:1px solid var(--border); color:var(--text);
  padding:10px 22px; border-radius:8px; font-family:var(--mono); font-size:.85rem; transition:border-color .2s ease;
}
.retry-btn:hover{border-color:var(--accent-2);}

.rate-limit-box{width:100%; max-width:320px; margin-top:8px;}
.rl-row{display:flex; justify-content:space-between; font-size:.8rem; margin-bottom:6px;}
.rl-row strong{color:var(--accent); font-family:var(--mono);}
.rl-bar{height:6px; border-radius:6px; background:var(--surface-2); overflow:hidden; border:1px solid var(--border);}
.rl-bar-fill{height:100%; width:100%; background:linear-gradient(90deg, var(--accent-2), var(--accent)); transition:width 1s linear;}

/* ============ Loaded: profile grid ============ */
.profile-grid{display:grid; grid-template-columns:1fr; gap:20px; margin-bottom:24px;}
@media(min-width:800px){.profile-grid{grid-template-columns: 340px 1fr;}}

.identity-card, .orbit-card, .heatmap-card, .repos-zone{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:26px; box-shadow:var(--shadow);
}

.identity-card{text-align:center; display:flex; flex-direction:column; align-items:center;}
.avatar-wrap{position:relative; width:104px; height:104px; margin-bottom:16px;}
.avatar-wrap img{width:100%; height:100%; border-radius:50%; object-fit:cover; position:relative; z-index:2; border:3px solid var(--bg);}
.avatar-ring{
  position:absolute; inset:-6px; border-radius:50%;
  background:conic-gradient(from 0deg, var(--accent), var(--accent-2), var(--accent-3), var(--accent));
  z-index:1; animation:ringSpin 6s linear infinite;
}
@keyframes ringSpin{to{transform:rotate(360deg);}}

#profileName{font-family:var(--mono); font-size:1.3rem; margin-bottom:2px;}
.handle{color:var(--accent-2); font-family:var(--mono); font-size:.85rem; margin-bottom:12px;}
.bio{color:var(--muted); font-size:.9rem; line-height:1.5; margin-bottom:14px; min-height:1.2em;}
.bio .cursor{display:inline-block; width:2px; background:var(--accent); animation:blink 1s step-end infinite; margin-left:2px;}
@keyframes blink{50%{opacity:0;}}

.meta-row{display:flex; gap:8px; flex-wrap:wrap; justify-content:center; margin-bottom:16px;}
.meta-pill{background:var(--surface-2); border:1px solid var(--border); padding:4px 10px; border-radius:20px; font-size:.75rem; color:var(--muted);}

.stat-strip{display:grid; grid-template-columns:repeat(4,1fr); gap:8px; width:100%; margin-bottom:18px; border-top:1px solid var(--border); padding-top:16px;}
.stat{display:flex; flex-direction:column; align-items:center; gap:2px;}
.stat strong{font-family:var(--mono); font-size:1.05rem; color:var(--text);}
.stat span{font-size:.68rem; color:var(--muted); text-transform:uppercase; letter-spacing:.05em;}

.export-btn{
  width:100%; padding:10px; border-radius:8px; border:1px solid var(--border);
  background:var(--surface-2); font-family:var(--mono); font-size:.82rem; transition:all .2s ease;
}
.export-btn:hover{border-color:var(--accent); color:var(--accent);}

/* Orbit card */
.orbit-card{display:flex; flex-direction:column; align-items:center;}
.card-label{
  align-self:flex-start; font-family:var(--mono); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.1em; color:var(--muted); margin-bottom:14px;
}
.card-sublabel{color:var(--accent-2); text-transform:none; letter-spacing:0; font-size:.72rem;}
.orbit-wrap{position:relative; width:100%; max-width:320px; aspect-ratio:1;}
#orbitSvg{width:100%; height:100%;}
.orbit-center{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  text-align:center; display:flex; flex-direction:column; align-items:center;
}
.orbit-center strong{font-family:var(--mono); font-size:1.05rem;}
.orbit-center span{font-size:.68rem; color:var(--muted); text-transform:uppercase; letter-spacing:.05em;}
.orbit-legend{display:flex; flex-wrap:wrap; gap:8px 16px; justify-content:center; margin-top:18px;}
.legend-item{display:flex; align-items:center; gap:6px; font-size:.78rem; color:var(--muted); font-family:var(--mono);}
.legend-dot{width:9px; height:9px; border-radius:50%;}

/* Heatmap */
.heatmap-card{margin-bottom:24px; overflow-x:auto;}
.heatmap-grid{display:grid; grid-auto-flow:column; grid-template-rows:repeat(7, 11px); gap:3px; padding-top:4px;}
.hm-cell{width:11px; height:11px; border-radius:2px; background:var(--surface-2);}
.heatmap-legend{display:flex; align-items:center; gap:5px; margin-top:14px; font-size:.7rem; color:var(--muted);}
.hm-swatch{width:11px; height:11px; border-radius:2px; background:var(--surface-2);}
.hm-swatch[data-level="1"]{background: color-mix(in srgb, var(--accent-3) 30%, var(--surface-2));}
.hm-swatch[data-level="2"]{background: color-mix(in srgb, var(--accent-3) 55%, var(--surface-2));}
.hm-swatch[data-level="3"]{background: color-mix(in srgb, var(--accent-3) 80%, var(--surface-2));}
.hm-swatch[data-level="4"]{background: var(--accent-3);}

/* Repos */
.repos-zone{padding-bottom:30px;}
.repo-grid{display:grid; grid-template-columns:1fr; gap:14px;}
@media(min-width:640px){.repo-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:960px){.repo-grid{grid-template-columns:repeat(3,1fr);}}

.repo-card{
  background:var(--surface-2); border:1px solid var(--border); border-radius:12px; padding:18px;
  display:flex; flex-direction:column; gap:10px; text-decoration:none; color:inherit;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  opacity:0; transform:translateY(16px); animation:cardIn .5s ease forwards;
}
@keyframes cardIn{to{opacity:1; transform:translateY(0);}}
.repo-card:hover{transform:translateY(-4px); border-color:var(--accent-2);}
.repo-name{font-family:var(--mono); font-weight:700; font-size:.95rem; word-break:break-word;}
.repo-desc{font-size:.82rem; color:var(--muted); line-height:1.5; flex:1;}
.repo-foot{display:flex; align-items:center; gap:14px; font-size:.78rem; color:var(--muted); font-family:var(--mono);}
.repo-foot .lang-dot{width:9px; height:9px; border-radius:50%; display:inline-block; margin-right:4px;}

/* Empty repos */
.state-empty{
  text-align:center; padding:50px 20px; color:var(--muted); font-family:var(--mono);
  display:flex; flex-direction:column; align-items:center; gap:10px;
}
.state-empty .big-glyph{font-size:2rem;}

/* Footer */
.footer{margin-top:60px; text-align:center; font-size:.75rem; color:var(--muted); font-family:var(--mono);}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important;}
}