/* =============================================================================
   ShieldCore V4 — Professional UI/UX theme
   Design system: dark, depth-layered SaaS console. Emerald/sky accent.
   All original class/id selectors preserved (script.js depends on them).
   ============================================================================= */
:root {
  --bg: #060b16;
  --bg-2: #0a1322;
  --panel: #0e1828;
  --panel-2: #111d30;
  --elevated: #14233a;
  --text: #eaf1fb;
  --text-soft: #c4d2e4;
  --muted: #8da0b8;
  --border: rgba(125,148,184,.16);
  --border-strong: rgba(125,148,184,.28);
  --primary: #10b981;
  --primary-2: #0ea5e9;
  --purple: #8b5cf6;
  --gold: #f59e0b;
  --danger: #ef4444;
  --accent-grad: linear-gradient(135deg,#10b981 0%, #0ea5e9 100%);
  --radius: 18px;
  --radius-lg: 26px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 8px rgba(2,6,18,.35);
  --shadow: 0 18px 44px -18px rgba(2,8,22,.7);
  --shadow-lg: 0 40px 80px -28px rgba(2,8,22,.85);
  --ring: 0 0 0 3px rgba(16,185,129,.35);
  --ease: cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
::selection{background:rgba(16,185,129,.32);color:#fff}

html{scroll-behavior:smooth}
body{
  margin:0;padding:0;color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
  font-feature-settings:'cv02','cv03','cv04','ss01';
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  letter-spacing:-.011em;line-height:1.55;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(16,185,129,.10), transparent 60%),
    radial-gradient(1000px 560px at 92% 2%, rgba(14,165,233,.10), transparent 55%),
    linear-gradient(180deg,#060b16 0%, #070f1d 45%, #060b16 100%);
  background-attachment:fixed;min-height:100vh;
}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{letter-spacing:-.03em}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:10px}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-thumb{background:rgba(125,148,184,.22);border:3px solid transparent;border-radius:999px;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:rgba(125,148,184,.4);background-clip:content-box}

.container{max-width:1280px;margin:0 auto;padding:0 22px}

/* ---------- Hero ---------- */
.hero{padding:60px 0 30px}
.hero__inner{
  position:relative;overflow:hidden;
  background:
    radial-gradient(700px 320px at 0% 0%, rgba(16,185,129,.16), transparent 60%),
    linear-gradient(135deg, rgba(20,35,58,.92), rgba(10,19,34,.94) 55%, rgba(7,13,26,.96));
  border:1px solid var(--border-strong);border-radius:var(--radius-lg);
  padding:46px;box-shadow:var(--shadow-lg);
}
.hero__inner::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg, rgba(255,255,255,.05), transparent 18%);
  mix-blend-mode:overlay;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.28);
  color:#7df0c0;font-weight:700;font-size:12px;letter-spacing:.12em;text-transform:uppercase;
}
.eyebrow::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 3px rgba(16,185,129,.25)}
h1{
  font-size:clamp(2.3rem,4.4vw,4.2rem);line-height:1.04;font-weight:800;margin:18px 0 0;max-width:16ch;
  background:linear-gradient(180deg,#ffffff,#bcd0e6);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.lede{font-size:1.1rem;line-height:1.6;color:var(--text-soft);max-width:64ch;margin:16px 0 0}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 20px;border-radius:14px;border:1px solid var(--border-strong);
  cursor:pointer;font-weight:600;background:var(--elevated);color:var(--text);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
  will-change:transform;
}
.btn:hover{transform:translateY(-2px);border-color:var(--border-strong);box-shadow:var(--shadow)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--accent-grad);color:#03130d;border-color:transparent;font-weight:700;box-shadow:0 10px 26px -10px rgba(16,185,129,.7)}
.btn--primary:hover{box-shadow:0 16px 34px -10px rgba(16,185,129,.8)}
.btn--secondary{background:rgba(255,255,255,.04);backdrop-filter:blur(6px)}
.btn--secondary:hover{background:rgba(255,255,255,.08)}

/* ---------- Grid scaffolding ---------- */
.mini-grid,.grid-2,.grid-3,.grid-4,.pricing-grid,.template-grid,.stats-grid,.pipeline-grid,.main-grid{display:grid;gap:18px}
.mini-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:30px}
.main-grid{grid-template-columns:340px minmax(0,1fr);align-items:start;padding:26px 0 56px}

/* ---------- Cards ---------- */
.card,.mini-card,.price-card,.pipe-item,.stat{
  background:linear-gradient(180deg, rgba(20,35,58,.55), rgba(14,24,40,.75));
  border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);
}
.card{padding:26px;transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease)}
.card:hover{border-color:var(--border-strong)}
.sidebar{position:sticky;top:18px}
.sidebar h2,.card h2{margin:0 0 8px;font-size:1.3rem;font-weight:700}
.card h3{font-weight:700}
.muted{color:var(--muted)}

/* ---------- Sidebar toggles & score ---------- */
.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--border)}
.toggle-row:last-of-type{border-bottom:0}
.toggle-row span:first-child{font-weight:500;color:var(--text-soft)}
.switch{position:relative;display:inline-block;width:52px;height:30px;flex:none}
.switch input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.switch>span{position:absolute;inset:0;background:#1b2740;border:1px solid var(--border-strong);border-radius:999px;transition:background .22s var(--ease)}
.switch>span::after{content:'';position:absolute;width:22px;height:22px;left:3px;top:3px;background:#fff;border-radius:50%;transition:left .22s var(--ease),background .22s var(--ease);box-shadow:0 2px 6px rgba(0,0,0,.4)}
.switch input:checked+span{background:var(--accent-grad);border-color:transparent}
.switch input:checked+span::after{left:25px;background:#04241a}
.switch input:focus-visible+span{box-shadow:var(--ring)}
.score-block{margin:20px 0}
.score-block__head{display:flex;justify-content:space-between;align-items:baseline;color:var(--muted);margin-bottom:10px;font-size:.92rem}
.score-block__head span:last-child{font-size:1.15rem;font-weight:800;color:var(--text)}
.progress{height:12px;background:#0a1322;border:1px solid var(--border-strong);border-radius:999px;overflow:hidden}
.progress div{height:100%;width:80%;background:var(--accent-grad);border-radius:999px;transition:width .5s var(--ease);box-shadow:0 0 14px rgba(16,185,129,.5)}
.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:16px}
.stats-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.stat{padding:16px}
.stat span{color:var(--muted);font-size:.88rem}
.stat strong{display:block;font-size:1.6rem;font-weight:800;margin-top:6px;letter-spacing:-.02em}
.note{margin-top:18px;padding:15px 16px;border-radius:var(--radius-sm);background:rgba(7,13,26,.7);border:1px dashed var(--border-strong);color:var(--muted);font-size:.92rem;line-height:1.6}

/* ---------- Tabs ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:6px;background:rgba(10,19,34,.7);border:1px solid var(--border);padding:7px;border-radius:16px;box-shadow:var(--shadow-sm)}
.tab{padding:11px 16px;border-radius:11px;background:transparent;border:0;color:var(--muted);cursor:pointer;font-weight:600;font-size:.95rem;transition:color .18s var(--ease),background .18s var(--ease)}
.tab:hover{color:var(--text-soft);background:rgba(255,255,255,.04)}
.tab.active{background:var(--elevated);color:var(--text);box-shadow:0 6px 18px -8px rgba(0,0,0,.6),inset 0 0 0 1px var(--border-strong)}
.tab-panel{display:none;margin-top:20px;gap:18px;animation:panelIn .35s var(--ease)}
.tab-panel.active{display:block}
@keyframes panelIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- Charts ---------- */
.chart{height:250px;border-radius:var(--radius-sm);background:radial-gradient(120% 120% at 0% 0%, rgba(16,185,129,.06), transparent 50%),rgba(7,13,26,.7);border:1px solid var(--border);position:relative;overflow:hidden}
.chart--line::before{content:'';position:absolute;inset:auto 18px 18px 18px;height:4px;background:var(--accent-grad);border-radius:999px;opacity:.55}
.pie-list{display:grid;gap:10px;margin-top:12px}
.pie-list div{display:flex;align-items:center;justify-content:space-between;padding:11px 14px;border-radius:var(--radius-sm);background:rgba(7,13,26,.6);border:1px solid var(--border);transition:border-color .18s var(--ease),transform .18s var(--ease)}
.pie-list div:hover{border-color:var(--border-strong);transform:translateX(3px)}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:9px}
.dot--green{background:var(--primary)}.dot--blue{background:var(--primary-2)}.dot--purple{background:var(--purple)}.dot--gold{background:var(--gold)}
.donut{margin:22px auto 8px;width:184px;height:184px;border-radius:50%;background:conic-gradient(var(--primary) 0 48%,var(--primary-2) 48% 70%,var(--purple) 70% 85%,var(--gold) 85% 100%);display:grid;place-items:center;position:relative;box-shadow:0 0 40px -10px rgba(16,185,129,.4)}
.donut::after{content:'';width:104px;height:104px;border-radius:50%;background:#0a1322;border:1px solid var(--border-strong)}
.donut__center{position:absolute;font-weight:800;color:#dce6f3;letter-spacing:.02em}

/* ---------- Pricing ---------- */
.pricing-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:12px}
.price-card{padding:24px;position:relative;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.price-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow-lg)}
.price-card h3{margin:0;font-size:1.15rem}
.price-card .price{font-size:2.1rem;font-weight:800;margin:12px 0;letter-spacing:-.03em;background:linear-gradient(180deg,#fff,#cfe0f0);-webkit-background-clip:text;background-clip:text;color:transparent}
.price-card ul{padding-left:18px;color:var(--muted);line-height:1.8;margin:0 0 18px}
.price-card .btn{width:100%}
.price-card.featured{border-color:rgba(16,185,129,.45);background:linear-gradient(180deg,rgba(16,185,129,.12),rgba(14,24,40,.85));box-shadow:0 30px 60px -24px rgba(16,185,129,.4)}
.price-card.featured::after{content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(180deg,rgba(16,185,129,.6),transparent);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.badge{position:absolute;top:-12px;right:18px;padding:6px 12px;border-radius:999px;background:var(--accent-grad);color:#03130d;font-weight:700;font-size:.78rem;letter-spacing:.02em;box-shadow:0 8px 20px -6px rgba(16,185,129,.7)}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
label{display:grid;gap:8px;color:var(--muted);font-size:.9rem;font-weight:500}
.label-block{margin-top:14px}
input,select,textarea{background:#0a1322;border:1px solid var(--border-strong);color:var(--text);padding:13px 15px;border-radius:var(--radius-sm);outline:none;transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease)}
input::placeholder,textarea::placeholder{color:#62748c}
input:focus,select:focus,textarea:focus{border-color:rgba(16,185,129,.6);box-shadow:var(--ring);background:#0b1525}
textarea{min-height:132px;resize:vertical;line-height:1.6}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) center,calc(100% - 15px) center;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:38px}

/* ---------- Chips ---------- */
.tone-group{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.chip{border:1px solid var(--border-strong);background:rgba(20,35,58,.5);color:var(--text-soft);padding:9px 16px;border-radius:999px;cursor:pointer;font-weight:600;font-size:.9rem;transition:all .18s var(--ease)}
.chip:hover{border-color:rgba(16,185,129,.4);color:var(--text)}
.chip.active{background:rgba(16,185,129,.16);border-color:rgba(16,185,129,.5);color:#aef3d4}

/* ---------- Chat ---------- */
.chat-window{height:320px;background:linear-gradient(180deg,rgba(7,13,26,.8),rgba(5,11,22,.9));border:1px solid var(--border);border-radius:var(--radius);padding:16px;overflow:auto;display:grid;gap:12px;align-content:start}
.chat-bubble{max-width:84%;padding:12px 15px;border-radius:16px 16px 16px 4px;background:var(--elevated);border:1px solid var(--border);line-height:1.55;font-size:.95rem;animation:bubbleIn .3s var(--ease)}
.chat-bubble--user{margin-left:auto;border-radius:16px 16px 4px 16px;background:var(--accent-grad);color:#03140d;font-weight:600;border-color:transparent}
@keyframes bubbleIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.chat-entry{display:flex;gap:10px;margin-top:14px}
.chat-entry input{flex:1}

/* ---------- Mini cards & misc ---------- */
.compact{grid-template-columns:repeat(2,minmax(0,1fr))}
.template-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:14px}
.template-grid .mini-card,.grid-3 .mini-card,.grid-4 .mini-card,.stack-list .mini-card,.mini-grid .mini-card,.compact .mini-card{padding:16px}
.mini-card{transition:border-color .18s var(--ease),transform .18s var(--ease)}
.mini-card:hover{border-color:var(--border-strong);transform:translateY(-2px)}
.mini-card strong{display:block;font-size:1rem;color:var(--text);font-weight:700}
.mini-card span{display:block;color:var(--muted);margin-top:6px;line-height:1.55;font-size:.92rem}
.stack-form{display:grid;gap:12px;margin-top:12px}
.stack-list{display:grid;gap:12px}

/* ---------- Pipeline ---------- */
.pipeline-grid{grid-template-columns:repeat(4,minmax(0,1fr));align-items:start}
.pipe-col{padding:14px;border-radius:var(--radius);background:rgba(7,13,26,.5);border:1px solid var(--border)}
.pipe-col h3{margin:0 0 12px;font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.pipe-item{padding:14px}
.pipe-item strong{display:block;font-size:.98rem}
.pipe-item span{display:block;color:var(--muted);margin-top:6px;font-size:.88rem}

/* ---------- Bar chart ---------- */
.bar-chart{height:220px;border-radius:var(--radius-sm);background:rgba(7,13,26,.7);border:1px solid var(--border);display:flex;align-items:flex-end;justify-content:center;gap:18px;padding:18px 18px 34px}
.bar{width:46px;border-radius:10px 10px 4px 4px;background:linear-gradient(180deg,var(--primary),var(--primary-2));position:relative;transition:filter .18s var(--ease),transform .18s var(--ease);transform-origin:bottom}
.bar:hover{filter:brightness(1.15);transform:scaleY(1.03)}
.bar::after{content:attr(data-label);position:absolute;left:50%;bottom:-26px;transform:translateX(-50%);font-size:.82rem;color:var(--muted)}

/* ---------- Footer ---------- */
.footer{padding:24px 22px 50px;color:var(--muted);text-align:center;font-size:.9rem;border-top:1px solid var(--border);margin-top:10px}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .main-grid{grid-template-columns:1fr}
  .sidebar{position:static}
  .mini-grid,.pricing-grid,.grid-3,.grid-4,.template-grid,.pipeline-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .hero{padding:34px 0 18px}
  .hero__inner{padding:28px}
  h1{font-size:2.4rem}
  .grid-2,.grid-3,.grid-4,.mini-grid,.pricing-grid,.template-grid,.stats-grid,.stats-grid.three,.pipeline-grid,.form-grid,.compact{grid-template-columns:1fr}
  .chat-entry{flex-direction:column}
  .chat-entry .btn{width:100%}
  .tabs{position:sticky;top:0;z-index:5;flex-nowrap:nowrap;overflow-x:auto;background:rgba(6,11,22,.92);backdrop-filter:blur(12px);border-color:var(--border-strong)}
  .tab{white-space:nowrap}
}

/* ---------- Motion preference ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}