/* tc-preview.css — Social Preview Tester
   Card system + validation badges + hero compare component + supporting layout.
   Visual language matches /grab (premium dark, glassmorphism, aqua accents).
   Cards are "recognizably inspired" by each platform, not pixel-perfect clones. */

*{box-sizing:border-box}
:root{
  --bg:#0B1220;
  --surface:#141C2A;
  --surface2:#10182A;
  --border:#1F2A3A;
  --border-soft:#1A2434;
  --text:#E6EDF3;
  --text-m:#7B8A9A;
  --text-s:#9AA8BB;
  --aqua:#22d3ee;
  --aqua-dim:#0891b2;
  --accent:#a78bfa;
  --green:#22c55e;
  --red:#ef4444;
  --warning:#f59e0b;
}
html,body{margin:0;padding:0}
body{font-family:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;line-height:1.5}

/* ─── Header (mirrors /grab) ─── */
.tc-prv-header{height:54px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 16px;gap:20px;position:sticky;top:0;z-index:100;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.tc-prv-brand{font-size:18px;font-weight:800;color:var(--text);text-decoration:none;letter-spacing:-0.01em;flex-shrink:0}
.tc-prv-brand span{color:var(--aqua)}
.tc-prv-tryeditor{padding:7px 14px;border-radius:8px;color:#fff;background:linear-gradient(135deg,#22c55e,#16a34a);border:1px solid #16a34a;font-size:13px;font-weight:700;text-decoration:none;box-shadow:0 2px 10px rgba(34,197,94,0.25);transition:background .15s,box-shadow .2s,transform .15s,border-color .15s;white-space:nowrap}
.tc-prv-tryeditor:hover{background:linear-gradient(135deg,#4ade80,#22c55e);border-color:#22c55e;box-shadow:0 6px 20px rgba(34,197,94,0.5);transform:translateY(-1px)}
@media (max-width:600px){
  .tc-prv-tryeditor{padding:6px 10px;font-size:12px}
}

/* ─── Hero ─── */
.tc-prv-hero{padding:60px 24px 28px;text-align:center;max-width:980px;margin:0 auto;position:relative;z-index:1}
.tc-prv-h1{font-size:clamp(38px,7vw,68px);font-weight:900;letter-spacing:-0.04em;line-height:1.02;margin:0 0 14px;background:linear-gradient(180deg,#FFFFFF,#9BA9BE);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.tc-prv-h1-accent{background:linear-gradient(135deg,#22d3ee 0%,#a78bfa 50%,#22d3ee 100%);background-size:200% 200%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;animation:prvAccent 8s ease-in-out infinite;display:inline-block}
@keyframes prvAccent{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.tc-prv-sub{font-size:clamp(14px,1.8vw,17px);color:var(--text-s);margin:0 auto 32px;max-width:640px;line-height:1.55;padding:0 12px}
@media (prefers-reduced-motion: reduce){
  .tc-prv-h1-accent{animation:none !important}
}

/* ─── Hero compare component (good vs bad) ─── */
.tc-prv-compare{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center;max-width:820px;margin:0 auto 40px;padding:0 12px}
.tc-prv-compare__side{margin:0;display:flex;flex-direction:column;gap:8px}
.tc-prv-compare__label{font-size:10px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;text-align:center;padding:4px 10px;border-radius:6px;display:inline-block;align-self:center}
.tc-prv-compare__label--bad{color:#fca5a5;background:rgba(239,68,68,0.10);border:1px solid rgba(239,68,68,0.25)}
.tc-prv-compare__label--good{color:#86efac;background:rgba(34,197,94,0.10);border:1px solid rgba(34,197,94,0.25)}
.tc-prv-compare__arrow{color:var(--text-m);opacity:0.5;flex-shrink:0}
.tc-prv-compare__arrow svg{width:24px;height:24px}
@media (max-width:640px){
  .tc-prv-compare{grid-template-columns:1fr;gap:14px}
  .tc-prv-compare__arrow{transform:rotate(90deg);margin:0 auto}
}

/* ─── Input form ─── */
.tc-prv-input-form{max-width:680px;margin:0 auto 16px;padding:0 12px}
.tc-prv-input-wrap{display:flex;gap:0;background:rgba(20,28,42,0.85);border:1.5px solid rgba(255,255,255,0.10);border-radius:18px;padding:8px;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 10px 40px rgba(0,0,0,0.4),0 0 0 4px rgba(34,211,238,0.06);transition:border-color .2s,box-shadow .2s}
.tc-prv-input-wrap:focus-within{border-color:rgba(34,211,238,0.50);box-shadow:0 10px 40px rgba(0,0,0,0.55),0 0 0 4px rgba(34,211,238,0.20),0 0 80px rgba(34,211,238,0.18)}
.tc-prv-input{flex:1;min-width:0;padding:16px 20px;font-size:16px;background:transparent;border:none;border-radius:12px;color:var(--text);font-family:inherit;outline:none;letter-spacing:-0.005em}
.tc-prv-input::placeholder{color:#64748B}
.tc-prv-btn{padding:16px 28px;border:none;border-radius:12px;background:linear-gradient(135deg,var(--aqua),var(--aqua-dim));color:#000;font-family:inherit;font-size:15px;font-weight:700;cursor:pointer;transition:filter .15s,transform .1s,box-shadow .15s;flex-shrink:0;letter-spacing:-0.005em;box-shadow:0 4px 14px rgba(34,211,238,0.30)}
.tc-prv-btn:hover{filter:brightness(1.08);box-shadow:0 6px 20px rgba(34,211,238,0.45)}
.tc-prv-btn:active{transform:scale(0.97)}
.tc-prv-btn:disabled{opacity:0.55;cursor:wait;filter:grayscale(0.3)}
.tc-prv-detected{margin-top:10px;font-size:12px;color:var(--text-m);min-height:18px;text-align:center}

/* ─── Trust row ─── */
.tc-prv-trust{display:flex;justify-content:center;flex-wrap:wrap;gap:6px 18px;max-width:680px;margin:14px auto 0;padding:0 20px;font-size:12px;color:var(--text-m);font-weight:500;letter-spacing:0.005em}
.tc-prv-trust span{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.tc-prv-trust span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--aqua);box-shadow:0 0 6px rgba(34,211,238,0.55);flex-shrink:0}

/* ─── Status + loading ─── */
.tc-prv-status{margin:24px auto 0;max-width:780px;padding:0 24px;font-size:13px;display:none}
.tc-prv-status.show{display:block}
.tc-prv-status .inner{padding:10px 14px;border-radius:8px}
.tc-prv-status.err .inner{background:rgba(239,68,68,.10);color:#fca5a5;border:1px solid rgba(239,68,68,.25)}
.tc-prv-status.info .inner{background:rgba(34,211,238,.10);color:#67e8f9;border:1px solid rgba(34,211,238,.25)}
.tc-prv-loading{text-align:center;padding:32px 16px;color:var(--text-m);display:none}
.tc-prv-loading.show{display:block}
.tc-prv-spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--aqua);border-radius:50%;animation:prvSpin 0.8s linear infinite;margin:0 auto 12px}
@keyframes prvSpin{to{transform:rotate(360deg)}}

/* ─── Results ─── */
.tc-prv-results{max-width:1100px;margin:36px auto 0;padding:0 20px;display:none}
.tc-prv-results.show{display:block;animation:prvFadeIn .4s ease-out}
@keyframes prvFadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.tc-prv-result-header{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 16px;background:rgba(20,28,42,0.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.06);border-radius:12px;margin-bottom:20px;font-size:13px}
.tc-prv-result-header .host{color:var(--text);font-weight:600;font-family:ui-monospace,SF Mono,monospace;font-size:12.5px}
.tc-prv-result-header .src{color:var(--text-m);font-size:12px}
.tc-prv-result-header .src a{color:var(--aqua);text-decoration:none}
.tc-prv-result-header .src a:hover{text-decoration:underline}
.tc-prv-result-header .summary{margin-left:auto;font-size:12px;color:var(--text-s);display:inline-flex;gap:14px;align-items:center}
.tc-prv-result-header .summary .count{display:inline-flex;align-items:center;gap:5px}
.tc-prv-result-header .summary .count.critical{color:var(--red)}
.tc-prv-result-header .summary .count.warning{color:var(--warning)}
.tc-prv-result-header .summary .count.info{color:var(--text-s)}
.tc-prv-result-header .summary .dot{width:7px;height:7px;border-radius:50%}
.tc-prv-result-header .summary .dot.critical{background:var(--red)}
.tc-prv-result-header .summary .dot.warning{background:var(--warning)}
.tc-prv-result-header .summary .dot.info{background:var(--text-s)}

/* ─── Card grid — 2×2 desktop, single column mobile ─── */
.tc-prv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media (max-width:760px){
  .tc-prv-grid{grid-template-columns:1fr}
}

/* ─── Card (recognizably inspired by each platform) ─── */
.tc-prv-card{background:rgba(20,28,42,0.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.06);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;position:relative;transition:border-color .18s,transform .18s,box-shadow .25s}
.tc-prv-card:hover{border-color:rgba(34,211,238,0.40);transform:translateY(-2px);box-shadow:0 14px 36px rgba(0,0,0,0.45),0 0 0 1px rgba(34,211,238,0.15)}
.tc-prv-card__platform{font-size:10.5px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-m);padding:10px 14px;border-bottom:1px solid rgba(255,255,255,0.04);background:rgba(255,255,255,0.02)}

/* Image area — aspect ratio differs per platform */
.tc-prv-card__image{position:relative;background:#000;display:flex;align-items:center;justify-content:center;overflow:hidden}
.tc-prv-card__image img{width:100%;height:100%;object-fit:cover;display:block}
.tc-prv-card--twitter .tc-prv-card__image{aspect-ratio:1.91/1}
.tc-prv-card--facebook .tc-prv-card__image{aspect-ratio:1.91/1}
.tc-prv-card--linkedin .tc-prv-card__image{aspect-ratio:1.91/1}
.tc-prv-card--discord .tc-prv-card__image{aspect-ratio:16/9;max-height:240px}

/* Missing-image state */
.tc-prv-card__image--missing{aspect-ratio:1.91/1 !important;background:linear-gradient(135deg,rgba(239,68,68,0.06),rgba(20,28,42,0.55));color:var(--text-m);flex-direction:column;gap:8px;padding:20px;text-align:center}
.tc-prv-card__image--missing svg{width:28px;height:28px;opacity:0.5}
.tc-prv-card__image--missing span{font-size:12px;font-weight:600;opacity:0.7}

/* Meta block under image */
.tc-prv-card__meta{padding:12px 14px;display:flex;flex-direction:column;gap:4px;background:rgba(255,255,255,0.02)}
.tc-prv-card__host{font-size:10.5px;font-weight:500;color:var(--text-m);text-transform:lowercase;letter-spacing:0.02em}
.tc-prv-card__title{font-size:14px;font-weight:700;color:var(--text);letter-spacing:-0.005em;line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.tc-prv-card__desc{font-size:12px;color:var(--text-s);line-height:1.45;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:2px}

/* Platform-specific meta variations */
.tc-prv-card--discord .tc-prv-card__meta{background:rgba(88,101,242,0.04)}
.tc-prv-card--discord .tc-prv-card__host{color:#5865F2}

/* Validation badge in card top-right corner */
.tc-prv-card__badge{position:absolute;top:10px;right:10px;width:14px;height:14px;border-radius:50%;cursor:help;z-index:2;border:2px solid rgba(7,12,22,0.85)}
.tc-prv-card__badge--critical{background:var(--red);box-shadow:0 0 0 1px rgba(239,68,68,0.4),0 0 12px rgba(239,68,68,0.5)}
.tc-prv-card__badge--warning{background:var(--warning);box-shadow:0 0 0 1px rgba(245,158,11,0.4),0 0 10px rgba(245,158,11,0.4)}
.tc-prv-card__badge--info{background:var(--text-s);box-shadow:0 0 0 1px rgba(154,168,187,0.3)}

/* Tooltip for badge */
.tc-prv-card__tip{position:absolute;top:32px;right:8px;background:rgba(7,12,22,0.96);color:var(--text);font-size:11.5px;line-height:1.45;padding:9px 11px;border-radius:8px;border:1px solid rgba(255,255,255,0.10);max-width:240px;z-index:10;opacity:0;pointer-events:none;transform:translateY(-4px);transition:opacity .15s,transform .15s;box-shadow:0 8px 22px rgba(0,0,0,0.5)}
.tc-prv-card__tip strong{color:#fca5a5;display:block;margin-bottom:3px;font-size:10.5px;text-transform:uppercase;letter-spacing:0.06em}
.tc-prv-card__badge:hover + .tc-prv-card__tip,.tc-prv-card__badge:focus + .tc-prv-card__tip{opacity:1;pointer-events:auto;transform:translateY(0)}

/* Per-card "fix this" mini link */
.tc-prv-card__fix{padding:8px 14px;background:rgba(34,211,238,0.06);border-top:1px solid rgba(34,211,238,0.15);color:var(--aqua);font-size:11.5px;font-weight:600;text-decoration:none;display:flex;align-items:center;gap:6px;transition:background .15s}
.tc-prv-card__fix:hover{background:rgba(34,211,238,0.12)}
.tc-prv-card__fix svg{width:11px;height:11px}

/* ─── Demo cards (in hero compare) ─── */
.tc-prv-card--demo{transform:scale(0.92);transform-origin:top center}
.tc-prv-card--demo .tc-prv-card__title,.tc-prv-card--demo .tc-prv-card__desc,.tc-prv-card--demo .tc-prv-card__host{pointer-events:none}
.tc-prv-card__image--demo-good{aspect-ratio:1.91/1 !important;background:linear-gradient(135deg,#1e3a8a,#7c3aed 40%,#db2777);position:relative;overflow:hidden}
.tc-prv-card__demo-img-1{position:absolute;width:60%;height:140%;left:-15%;top:-20%;background:radial-gradient(circle at center,rgba(34,211,238,0.35),transparent 70%);filter:blur(20px)}
.tc-prv-card__demo-img-2{position:absolute;width:70%;height:120%;right:-20%;bottom:-30%;background:radial-gradient(circle at center,rgba(167,139,250,0.45),transparent 65%);filter:blur(24px)}
.tc-prv-card__demo-img-3{position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 30%,rgba(7,12,22,0.4) 90%)}

/* ─── Fix-all button ─── */
.tc-prv-fix-all-wrap{margin:32px auto 0;text-align:center;max-width:520px}
.tc-prv-fix-all{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border:none;border-radius:12px;background:linear-gradient(135deg,var(--aqua),var(--aqua-dim));color:#000;font-family:inherit;font-size:15px;font-weight:700;cursor:pointer;letter-spacing:-0.005em;box-shadow:0 6px 20px rgba(34,211,238,0.30);transition:filter .15s,transform .1s,box-shadow .2s}
.tc-prv-fix-all:hover{filter:brightness(1.08);box-shadow:0 8px 28px rgba(34,211,238,0.45)}
.tc-prv-fix-all:active{transform:scale(0.97)}
.tc-prv-fix-all svg{width:16px;height:16px}
.tc-prv-fix-all-hint{font-size:12px;color:var(--text-m);margin:10px auto 0;max-width:420px;line-height:1.5}

/* ─── Below the fold ─── */
.tc-prv-below{max-width:880px;margin:60px auto 0;padding:0 20px}
.tc-prv-section-h{font-size:22px;font-weight:800;letter-spacing:-0.01em;margin:0 0 18px;color:var(--text)}
.tc-prv-section-h:not(:first-child){margin-top:40px}
.tc-prv-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:0}
@media (max-width:760px){
  .tc-prv-steps{grid-template-columns:1fr}
}
.tc-prv-step{background:rgba(20,28,42,0.45);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.05);border-radius:12px;padding:18px}
.tc-prv-step-num{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:rgba(34,211,238,0.10);color:var(--aqua);font-weight:800;font-size:13px;margin-bottom:10px;border:1px solid rgba(34,211,238,0.20)}
.tc-prv-step h3{font-size:14px;font-weight:700;margin:0 0 6px;color:var(--text)}
.tc-prv-step p{font-size:13px;color:var(--text-s);margin:0;line-height:1.55}

.tc-prv-faq{background:rgba(20,28,42,0.45);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.05);border-radius:10px;margin-bottom:8px;overflow:hidden}
.tc-prv-faq summary{padding:14px 16px;font-weight:600;font-size:14px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--text)}
.tc-prv-faq summary::-webkit-details-marker{display:none}
.tc-prv-faq summary::after{content:"+";color:var(--aqua);font-weight:700;font-size:18px;line-height:1;flex-shrink:0;transition:transform .15s}
.tc-prv-faq[open] summary::after{content:"−"}
.tc-prv-faq > div{padding:0 16px 14px;font-size:13px;color:var(--text-s);line-height:1.65}
.tc-prv-faq > div a{color:var(--aqua);text-decoration:none}
.tc-prv-faq > div a:hover{text-decoration:underline}

.tc-prv-footer{margin:50px auto 30px;text-align:center;font-size:12px;color:var(--text-m)}
.tc-prv-footer a{color:var(--text-m);text-decoration:none;margin:0 4px}
.tc-prv-footer a:hover{color:var(--aqua)}

@media (prefers-reduced-motion: reduce){
  .tc-prv-results.show,.tc-prv-card,.tc-prv-h1-accent{animation:none !important;transition:none !important}
}