[hidden]{display:none!important}
:root{
  --bg:#0b0f1a;--bg2:#0f1524;--panel:#141b2e;--panel2:#1a2340;
  --line:rgba(148,163,184,.14);--text:#e8edf7;--muted:#8b96ad;
  --accent:#ff7a45;--accent2:#ffb020;--good:#34d399;--bad:#f87171;
  --radius:14px;--font-head:'Sora',sans-serif;--font-body:'Inter',sans-serif;--font-mono:'JetBrains Mono',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.6}
code{font-family:var(--font-mono);font-size:.85em;background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px}

/* ===== Header ===== */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(11,15,26,.78);border-bottom:1px solid var(--line)}
.topbar-inner{max-width:1180px;margin:0 auto;height:66px;display:flex;align-items:center;gap:32px;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));font-size:18px;color:#0b0f1a;font-weight:800}
.brand-name{font-family:var(--font-head);font-size:1.15rem;font-weight:600}
.brand-name b{color:var(--accent)}
.topnav{display:flex;gap:26px;margin-left:auto}
.topnav a{color:var(--muted);text-decoration:none;font-size:.92rem;font-weight:500;transition:color .15s}
.topnav a:hover{color:var(--text)}
.cta-btn{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#1a0d05;font-weight:600;font-size:.9rem;padding:9px 18px;border-radius:10px;text-decoration:none;transition:transform .15s,box-shadow .15s}
.cta-btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(255,122,69,.35)}

/* ===== Hero ===== */
.hero{position:relative;min-height:clamp(480px,62vh,640px);display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;background:url(img/hero.webp) center/cover no-repeat}
.hero-scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(120deg,rgba(11,15,26,.92) 15%,rgba(11,15,26,.72) 55%,rgba(11,15,26,.55))}
.hero-content{position:relative;z-index:2;max-width:1180px;margin:0 auto;padding:64px 24px;width:100%}
.hero-eyebrow{display:inline-block;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;color:var(--accent2);border:1px solid rgba(255,176,32,.35);padding:6px 14px;border-radius:999px;background:rgba(255,176,32,.08);margin-bottom:22px}
.hero h1{font-family:var(--font-head);font-weight:800;font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1.12;letter-spacing:-.02em}
.grad{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:620px;color:#c4cddd;margin:20px 0 34px;font-size:1.05rem}
.hero-steps{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.step{display:flex;align-items:center;gap:12px;background:rgba(20,27,46,.75);border:1px solid var(--line);border-radius:12px;padding:12px 18px;backdrop-filter:blur(6px)}
.step small{display:block;color:var(--muted);font-size:.76rem}
.step b{font-size:.9rem;font-family:var(--font-head);font-weight:600}
.step-num{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#1a0d05;font-weight:700;font-size:.85rem}
.step-arrow{color:var(--accent);font-weight:700}

/* ===== Sections ===== */
.section{max-width:1180px;margin:0 auto;padding:72px 24px 8px}
.section-head h2{font-family:var(--font-head);font-size:1.6rem;font-weight:700;letter-spacing:-.01em}
.section-head p{color:var(--muted);margin-top:6px}
.section-head{margin-bottom:28px}

/* ===== Convert ===== */
.convert-grid{display:grid;grid-template-columns:340px 1fr;gap:26px}
.dropzone{border:2px dashed rgba(148,163,184,.3);border-radius:var(--radius);background:var(--panel);padding:38px 20px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}
.dropzone:hover,.dropzone.drag{border-color:var(--accent);background:var(--panel2)}
.dz-icon{font-size:2rem;margin-bottom:8px}
.dz-title{font-weight:600}
.dz-sub{color:var(--muted);font-size:.85rem;margin-top:4px}
.file-chip{display:flex;align-items:center;gap:10px;margin-top:12px;background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.3);color:var(--good);font-family:var(--font-mono);font-size:.82rem;padding:8px 12px;border-radius:10px}
.file-chip button{margin-left:auto;background:none;border:none;color:var(--good);cursor:pointer;font-size:.9rem}
.field-label{display:block;font-size:.8rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin:20px 0 8px}
.paste-col .field-label{margin-top:0}
.text-input{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:10px;color:var(--text);padding:11px 14px;font-family:var(--font-body);font-size:.95rem;outline:none;transition:border-color .15s}
.text-input:focus{border-color:var(--accent)}
textarea#htmlInput{width:100%;min-height:300px;resize:vertical;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);color:#cfe0ff;padding:16px;font-family:var(--font-mono);font-size:.82rem;line-height:1.55;outline:none;transition:border-color .15s}
textarea#htmlInput:focus{border-color:var(--accent)}
.paste-meta{text-align:right;color:var(--muted);font-size:.78rem;font-family:var(--font-mono);margin-top:6px}
.convert-actions{margin-top:28px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.convert-hint{color:var(--muted);font-size:.85rem}

/* Buttons */
.btn-primary{position:relative;display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#1a0d05;border:none;border-radius:12px;font-family:var(--font-head);font-weight:700;font-size:.95rem;padding:13px 26px;cursor:pointer;transition:transform .15s,box-shadow .15s,opacity .15s}
.btn-primary.big{padding:16px 34px;font-size:1.02rem}
.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 30px rgba(255,122,69,.4)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}
.btn-ghost{background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:9px 16px;font-size:.86rem;font-weight:500;cursor:pointer;transition:background .15s,border-color .15s}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(148,163,184,.35)}
.btn-spinner{width:16px;height:16px;border:2.5px solid rgba(26,13,5,.3);border-top-color:#1a0d05;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Errors */
.error-banner{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-top:22px;background:rgba(248,113,113,.09);border:1px solid rgba(248,113,113,.35);border-radius:var(--radius);padding:16px 20px;color:#fecaca}
.error-banner b{color:var(--bad)}
.error-banner p{font-size:.9rem;margin-top:2px;word-break:break-word}
.error-banner.slim{padding:12px 16px;align-items:center}
.error-actions{display:flex;align-items:center;gap:10px}
.err-dismiss{background:none;border:none;color:#fca5a5;cursor:pointer;font-size:.95rem}

/* ===== Preview ===== */
.empty-card{border:1px dashed var(--line);border-radius:var(--radius);background:var(--panel);padding:56px 24px;text-align:center;color:var(--muted)}
.empty-glyph{font-size:2rem;display:block;margin-bottom:10px}
.result-toolbar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.result-name{font-family:var(--font-mono);font-size:.85rem;color:var(--accent2);background:rgba(255,176,32,.08);border:1px solid rgba(255,176,32,.25);padding:6px 12px;border-radius:8px}
.view-toggle{display:flex;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.toggle-btn{background:none;border:none;color:var(--muted);padding:8px 16px;font-size:.85rem;cursor:pointer;transition:background .15s,color .15s}
.toggle-btn.active{background:var(--panel2);color:var(--text);font-weight:600}
.dl-group{margin-left:auto;display:flex;gap:10px;flex-wrap:wrap}
.preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.preview-pane{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.pane-label{display:flex;align-items:center;gap:8px;padding:12px 16px;font-size:.82rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line)}
.dot{width:9px;height:9px;border-radius:50%}
.dot-orig{background:#60a5fa}.dot-email{background:var(--good)}
.iframe-wrap{background:#f4f5f7;display:flex;justify-content:center;height:560px;overflow:auto}
.iframe-wrap iframe{border:none;width:100%;height:100%;background:#fff;transition:width .3s ease}
.iframe-wrap.mobile iframe{width:375px}
.src-details{margin-top:22px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
.src-details summary{padding:14px 20px;cursor:pointer;font-weight:600;font-size:.9rem;color:var(--accent2)}
.src-details pre{max-height:420px;overflow:auto;padding:0 20px 20px;font-family:var(--font-mono);font-size:.76rem;line-height:1.6;color:#cfe0ff;white-space:pre-wrap;word-break:break-word}

/* ===== Push card ===== */
.push-card{margin-top:26px;background:linear-gradient(160deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}
.push-head{display:flex;align-items:center;gap:14px;margin-bottom:6px}
.push-head h3{font-family:var(--font-head);font-size:1.15rem;font-weight:700}
.conn-pill{font-size:.75rem;font-family:var(--font-mono);padding:4px 12px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.conn-pill.on{color:var(--good);border-color:rgba(52,211,153,.4);background:rgba(52,211,153,.08)}
.conn-pill.off{color:var(--accent2);border-color:rgba(255,176,32,.35);background:rgba(255,176,32,.06)}
.push-row{display:flex;gap:12px;flex-wrap:wrap}
.push-row .text-input{flex:1;min-width:240px}
.push-ok{margin-top:12px;color:var(--good);font-size:.9rem}
.connect-hint{display:flex;gap:16px;align-items:flex-start;margin-top:10px;background:rgba(255,176,32,.05);border:1px solid rgba(255,176,32,.2);border-radius:12px;padding:18px 20px}
.hint-glyph{font-size:1.5rem}
.connect-hint p{color:var(--muted);font-size:.88rem;margin-top:4px}

/* ===== History ===== */
.history-list{display:flex;flex-direction:column;gap:10px;margin-bottom:40px}
.hist-loading,.hist-empty{color:var(--muted);font-size:.9rem;padding:18px;background:var(--panel);border:1px dashed var(--line);border-radius:var(--radius);text-align:center}
.hist-item{display:flex;align-items:center;gap:16px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 18px;transition:border-color .15s,transform .15s}
.hist-item:hover{border-color:rgba(148,163,184,.35);transform:translateX(3px)}
.hist-name{font-weight:600;font-size:.95rem}
.hist-date{color:var(--muted);font-size:.8rem;font-family:var(--font-mono)}
.hist-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.hist-actions .btn-ghost{padding:7px 12px;font-size:.8rem}
.hist-actions .danger{color:var(--bad);border-color:rgba(248,113,113,.3)}

/* ===== Footer / toast ===== */
.footer{border-top:1px solid var(--line);padding:28px 24px;text-align:center;color:var(--muted);font-size:.85rem;margin-top:40px}
.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);z-index:100;background:#1a2340;border:1px solid var(--line);color:var(--text);padding:12px 22px;border-radius:12px;font-size:.9rem;box-shadow:0 12px 40px rgba(0,0,0,.5);animation:toastIn .25s ease}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%,0)}}

/* ===== Responsive ===== */
@media(max-width:900px){
  .convert-grid{grid-template-columns:1fr}
  .preview-grid{grid-template-columns:1fr}
  .topnav{display:none}
  .hero-steps{flex-direction:column;align-items:flex-start}
  .step-arrow{transform:rotate(90deg);margin-left:14px}
  .dl-group{margin-left:0}
  .iframe-wrap{height:440px}
}