:root{
  --bg:#07080d;--s1:#0f1018;--s2:#161822;--s3:#1e2030;
  --border:#272a3f;--accent:#4fffb0;--violet:#8b5cf6;
  --amber:#fbbf24;--blue:#38bdf8;--text:#dde1f0;
  --muted:#5a5f7a;--danger:#fb4c6a;--ok:#22d3a5;--r:14px;
}
*{box-sizing:border-box;margin:0;padding:0;}
button,a{-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;}
body{font-family:'Outfit',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;}
body::before{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(79,255,176,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(79,255,176,.018) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;z-index:0;}
.orb1{position:fixed;top:-220px;left:-180px;width:580px;height:580px;background:radial-gradient(circle,rgba(139,92,246,.13) 0%,transparent 68%);pointer-events:none;z-index:0;}
.orb2{position:fixed;bottom:-160px;right:-120px;width:520px;height:520px;background:radial-gradient(circle,rgba(79,255,176,.08) 0%,transparent 68%);pointer-events:none;z-index:0;}
.wrap{position:relative;z-index:1;max-width:880px;margin:0 auto;padding:44px 20px 90px;}
header{text-align:center;margin-bottom:48px;animation:fadeDown .8s ease both;}
.badge{display:inline-flex;align-items:center;gap:7px;background:rgba(79,255,176,.06);border:1px solid rgba(79,255,176,.16);border-radius:999px;padding:5px 15px;font-family:'DM Mono',monospace;font-size:10px;letter-spacing:2px;color:var(--accent);margin-bottom:16px;text-transform:uppercase;}
.badge .dot{width:5px;height:5px;background:var(--accent);border-radius:50%;animation:blink 2s infinite;}
h1{font-size:clamp(1.9rem,4.5vw,3rem);font-weight:800;letter-spacing:-.5px;line-height:1.1;background:linear-gradient(130deg,#fff 10%,var(--accent) 55%,var(--violet) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:9px;}
.subtitle{color:var(--muted);font-size:12.5px;font-family:'DM Mono',monospace;}
.card{background:var(--s1);border:1px solid var(--border);border-radius:var(--r);padding:22px 24px;margin-bottom:14px;animation:fadeUp .65s ease both;transition:border-color .3s;}
.card:hover{border-color:rgba(79,255,176,.1);}
.card-hd{font-size:10px;font-weight:600;letter-spacing:3px;text-transform:uppercase;color:var(--muted);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.card-hd::before{content:'';width:3px;height:12px;background:var(--accent);border-radius:2px;flex-shrink:0;}
.lbl{font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin-bottom:8px;display:block;}
.main-tabs{display:flex;background:var(--s2);border:1px solid var(--border);border-radius:12px;padding:4px;gap:4px;margin-bottom:14px;animation:fadeUp .6s ease .05s both;}
.tab-btn{flex:1;padding:10px 8px;border:none;border-radius:9px;font-family:'Outfit',sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:all .28s cubic-bezier(.34,1.56,.64,1);background:transparent;color:var(--muted);display:flex;align-items:center;justify-content:center;gap:7px;}
.tab-btn.t-enc{background:linear-gradient(135deg,var(--violet),#a78bfa);color:#fff;box-shadow:0 3px 18px rgba(139,92,246,.35);transform:translateY(-1px);}
.tab-btn.t-dec{background:linear-gradient(135deg,var(--accent),#00d68f);color:#07080d;box-shadow:0 3px 18px rgba(79,255,176,.25);transform:translateY(-1px);}
.tab-btn.t-fenc{background:linear-gradient(135deg,var(--amber),#f97316);color:#07080d;box-shadow:0 3px 18px rgba(251,191,36,.25);transform:translateY(-1px);}
.tab-btn.t-fdec{background:linear-gradient(135deg,var(--blue),#0ea5e9);color:#07080d;box-shadow:0 3px 18px rgba(56,189,248,.25);transform:translateY(-1px);}
.kl-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px;}
.kl-btn{padding:6px 13px;background:var(--s2);border:1px solid var(--border);border-radius:7px;color:var(--muted);font-family:'DM Mono',monospace;font-size:11px;cursor:pointer;transition:all .2s cubic-bezier(.34,1.56,.64,1);}
.kl-btn:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px);}
.kl-btn.on{background:rgba(79,255,176,.07);border-color:var(--accent);color:var(--accent);}
.key-hex-row{margin-bottom:14px;}
.key-hex-lbl{font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin-bottom:6px;display:block;}
.key-hex-val{font-family:'DM Mono',monospace;font-size:11px;color:var(--violet);word-break:break-all;line-height:1.7;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:8px 12px;}
.key-hex-bits{display:inline-flex;align-items:center;gap:5px;margin-top:6px;font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);}
.key-hex-bits b{color:var(--amber);}
.key-hex-bits .kw-count{color:var(--accent);}
.key-acts{display:flex;gap:8px;flex-wrap:wrap;}
.btn-key-action{flex:1;padding:10px 14px;border-radius:9px;font-family:'Outfit',sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;border:1px solid;display:flex;align-items:center;justify-content:center;gap:6px;min-width:110px;}
.btn-gen{background:rgba(79,255,176,.06);border-color:rgba(79,255,176,.22);color:var(--accent);}
.btn-gen:hover{background:rgba(79,255,176,.14);}
.btn-gen:disabled{opacity:.5;cursor:not-allowed;}
.btn-copy-key{background:rgba(139,92,246,.07);border-color:rgba(139,92,246,.25);color:var(--violet);}
.btn-copy-key:hover{background:rgba(139,92,246,.16);}
.btn-paste-key{background:rgba(56,189,248,.07);border-color:rgba(56,189,248,.22);color:var(--blue);}
.btn-paste-key:hover{background:rgba(56,189,248,.14);}
.mnemonic-display{font-family:'DM Mono',monospace;font-size:13px;color:var(--accent);background:var(--bg);border:1px solid rgba(79,255,176,.18);border-radius:8px;padding:10px 14px;word-break:break-all;line-height:1.8;letter-spacing:.3px;margin-bottom:14px;min-height:42px;}

/* PASTE MODAL */
.overlay{position:fixed;inset:0;background:rgba(7,8,13,.9);backdrop-filter:blur(10px);z-index:500;display:none;align-items:center;justify-content:center;padding:16px;}
.overlay.open{display:flex;animation:fadeIn .2s ease both;}
.paste-box{background:var(--s1);border:1px solid rgba(79,255,176,.18);border-radius:18px;padding:26px;width:100%;max-width:560px;box-shadow:0 30px 80px rgba(0,0,0,.7);}
.paste-box h3{font-size:15px;font-weight:700;margin-bottom:5px;}
.pm-sub{font-size:11px;color:var(--muted);font-family:'DM Mono',monospace;margin-bottom:16px;line-height:1.65;}
.pm-sub span{color:var(--accent);}
.pm-inline-wrap{position:relative;margin-bottom:10px;}
.pm-inline-inp{width:100%;background:var(--s2);border:1px solid var(--border);border-radius:10px;padding:13px 16px;color:var(--accent);font-family:'DM Mono',monospace;font-size:13px;letter-spacing:.5px;outline:none;transition:border-color .2s;}
.pm-inline-inp:focus{border-color:rgba(79,255,176,.4);box-shadow:0 0 0 3px rgba(79,255,176,.06);}
.pm-inline-inp.inv{border-color:rgba(251,76,106,.4);}
.pm-inline-inp::placeholder{color:var(--muted);font-size:11px;}
.pm-ac{position:absolute;top:calc(100%+6px);left:0;right:0;background:var(--s1);border:1px solid rgba(79,255,176,.25);border-radius:11px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.75);z-index:600;display:none;max-height:220px;overflow-y:auto;}
.pm-ac.open{display:block;animation:dropIn .12s ease both;}
.pm-ac::-webkit-scrollbar{width:3px;}.pm-ac::-webkit-scrollbar-thumb{background:var(--border);}
.pm-aci{display:flex;align-items:center;padding:9px 16px;cursor:pointer;transition:background .1s;border-bottom:1px solid rgba(255,255,255,.03);}
.pm-aci:last-child{border-bottom:none;}
.pm-aci:hover,.pm-aci.hi{background:rgba(79,255,176,.08);}
.pm-aci-w{font-family:'DM Mono',monospace;font-size:13px;color:var(--text);}
.pm-aci-w em{color:var(--accent);font-style:normal;font-weight:600;}
.pm-ac-none{padding:12px 16px;font-family:'DM Mono',monospace;font-size:12px;color:var(--danger);display:flex;align-items:center;gap:6px;}
.pm-status-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;flex-wrap:wrap;gap:6px;}
.pm-ctr{font-size:10px;font-family:'DM Mono',monospace;color:var(--muted);}
.pm-ctr b{color:var(--accent);}
.pm-ctr .pm-bit{color:var(--amber);}
.pm-validation{font-size:10px;font-family:'DM Mono',monospace;}
.pm-validation.ok{color:var(--ok);}
.pm-validation.err{color:var(--danger);}
.pm-hint{font-size:10px;color:var(--muted);font-family:'DM Mono',monospace;margin-bottom:14px;line-height:1.6;}
.pm-hint span{color:var(--accent);}
.pm-btns{display:flex;gap:8px;justify-content:flex-end;}
.btn-cancel{padding:8px 16px;background:transparent;border:1px solid var(--border);border-radius:8px;color:var(--muted);font-family:'Outfit',sans-serif;font-size:12px;font-weight:600;cursor:pointer;}
.btn-confirm{padding:8px 18px;background:rgba(79,255,176,.1);border:1px solid rgba(79,255,176,.25);border-radius:8px;color:var(--accent);font-family:'Outfit',sans-serif;font-size:12px;font-weight:700;cursor:pointer;}
.btn-confirm:hover{background:rgba(79,255,176,.18);}
.btn-confirm:disabled{opacity:.4;cursor:not-allowed;}

/* COPY FORMAT MODAL */
.copy-format-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px;}
@media(max-width:580px){.copy-format-grid{grid-template-columns:1fr;}}
.copy-format-btn{background:var(--s2);border:1px solid var(--border);border-radius:10px;padding:16px;cursor:pointer;transition:all .25s;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;}
.copy-format-btn:hover{border-color:var(--accent);background:rgba(79,255,176,.05);transform:translateY(-2px);}
.copy-format-btn i{font-size:28px;color:var(--accent);margin-bottom:4px;}
.cf-title{font-size:13px;font-weight:700;color:var(--text);}
.cf-desc{font-size:10px;color:var(--muted);font-family:'DM Mono',monospace;margin-bottom:6px;}
.cf-preview{font-family:'DM Mono',monospace;font-size:9px;color:var(--violet);background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:6px 8px;line-height:1.4;width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* TEXT PANEL */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media(max-width:580px){.two-col{grid-template-columns:1fr;}}
.ta-wrap{position:relative;}
textarea{width:100%;background:var(--s2);border:1px solid var(--border);border-radius:9px;padding:13px;color:var(--text);font-family:'DM Mono',monospace;font-size:12px;line-height:1.65;resize:vertical;min-height:118px;outline:none;transition:border-color .2s;}
textarea:focus{border-color:rgba(79,255,176,.32);}
textarea::placeholder{color:var(--muted);}
.char-c{position:absolute;bottom:8px;right:10px;font-family:'DM Mono',monospace;font-size:9px;color:var(--muted);pointer-events:none;}
.fmt-col{display:flex;flex-direction:column;gap:7px;}
.fmt-btn{flex:1;padding:9px 12px;background:var(--s2);border:1px solid var(--border);border-radius:8px;color:var(--muted);font-family:'DM Mono',monospace;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s;text-align:center;}
.fmt-btn.on{background:rgba(251,191,36,.07);border-color:var(--amber);color:var(--amber);}

/* FILE ZONE */
.file-zone{border:2px dashed var(--border);border-radius:12px;padding:28px 20px;text-align:center;cursor:pointer;transition:all .25s;background:var(--s2);position:relative;}
.file-zone:hover,.file-zone.drag{border-color:var(--accent);background:rgba(79,255,176,.04);}
.file-zone i.fz-icon{font-size:36px;color:var(--muted);margin-bottom:8px;display:block;}
.file-zone .fz-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:4px;}
.file-zone .fz-sub{font-size:12px;color:var(--muted);font-family:'DM Mono',monospace;}
.file-zone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer;}

/* BATCH LIST */
.batch-list{margin-top:12px;display:flex;flex-direction:column;gap:6px;}
.bf-item{display:flex;align-items:center;gap:10px;background:var(--s2);border:1px solid var(--border);border-radius:10px;padding:10px 12px;transition:border-color .25s;animation:fadeUp .2s ease both;}
.bf-item.st-processing{border-color:rgba(251,191,36,.3);}
.bf-item.st-done{border-color:rgba(34,211,165,.22);}
.bf-item.st-error{border-color:rgba(251,76,106,.22);}
.bf-icon{font-size:20px;color:var(--muted);flex-shrink:0;}
.bf-item.st-done .bf-icon{color:var(--ok);}
.bf-item.st-error .bf-icon{color:var(--danger);}
.bf-item.st-processing .bf-icon{color:var(--amber);}
.bf-info{flex:1;min-width:0;}
.bf-name{font-size:12px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text);}
.bf-meta{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);margin-top:2px;}
.bf-prog-wrap{height:15px;background:var(--s3);border-radius:999px;overflow:hidden;margin-top:5px;}
.bf-prog{height:15px;background:linear-gradient(90deg,var(--amber),#f97316);border-radius:999px;width:0%;transition:width .25s;}
.bf-item.st-done .bf-prog{background:linear-gradient(90deg,var(--ok),var(--accent));width:100%;}
.bf-item.st-error .bf-prog{background:var(--danger);width:100%;}
.bf-status{font-family:'DM Mono',monospace;font-size:10px;white-space:nowrap;flex-shrink:0;}
.bf-item.st-pending .bf-status{color:var(--muted);}
.bf-item.st-processing .bf-status{color:var(--amber);}
.bf-item.st-done .bf-status{color:var(--ok);}
.bf-item.st-error .bf-status{color:var(--danger);}
.bf-dl{width:28px;height:28px;border:1px solid rgba(79,255,176,.2);border-radius:7px;background:rgba(79,255,176,.05);color:var(--accent);display:none;align-items:center;justify-content:center;cursor:pointer;text-decoration:none;transition:all .18s;flex-shrink:0;font-size:16px;}
.bf-dl:hover{background:rgba(79,255,176,.15);}
.bf-item.st-done .bf-dl{display:flex;}
.bf-preview{width:28px;height:28px;border:1px solid rgba(139,92,246,.25);border-radius:7px;background:rgba(139,92,246,.06);color:var(--violet);display:none;align-items:center;justify-content:center;cursor:pointer;transition:all .18s;flex-shrink:0;font-size:15px;}
.bf-preview:hover{background:rgba(139,92,246,.18);}
.bf-rm{width:26px;height:26px;border:none;background:none;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:17px;transition:color .15s;padding:0;}
.bf-rm:hover{color:var(--danger);}
.bf-item.st-processing .bf-rm,.bf-item.st-done .bf-rm{display:none;}

.btn-clear-batch{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;background:transparent;border:1px solid var(--border);border-radius:9px;color:var(--muted);font-family:'Outfit',sans-serif;font-size:12px;font-weight:600;cursor:pointer;transition:all .2s;margin-top:10px;}
.btn-clear-batch:hover{border-color:var(--danger);color:var(--danger);}

/* GLOBAL PROGRESS */
.global-prog-wrap{margin-top:12px;display:none;}
.global-prog-wrap.show{display:block;}
.prog-bar-bg{background:var(--s3);border-radius:999px;height:6px;overflow:hidden;}
.prog-bar{height:6px;background:linear-gradient(90deg,var(--accent),var(--violet));border-radius:999px;width:0%;transition:width .3s;}
.prog-lbl{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);margin-top:5px;}

/* ACTION BTN */
.act-btn{width:100%;padding:14px;border:none;border-radius:12px;font-family:'Outfit',sans-serif;font-size:14px;font-weight:700;letter-spacing:.3px;cursor:pointer;transition:all .28s cubic-bezier(.34,1.56,.64,1);display:flex;align-items:center;justify-content:center;gap:9px;animation:fadeUp .65s ease .38s both;position:relative;overflow:hidden;margin-bottom:14px;}
.act-btn::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.1),transparent);opacity:0;transition:opacity .3s;}
.act-btn:hover::before{opacity:1;}
.act-btn:hover{transform:translateY(-2px);}
.act-btn:active{transform:scale(.98);}
.act-btn:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.act-btn.enc{background:linear-gradient(135deg,var(--violet),#a78bfa);color:#fff;box-shadow:0 7px 24px rgba(139,92,246,.28);}
.act-btn.dec{background:linear-gradient(135deg,var(--accent),#00d68f);color:#07080d;box-shadow:0 7px 24px rgba(79,255,176,.2);}
.act-btn.fenc{background:linear-gradient(135deg,var(--amber),#f97316);color:#07080d;box-shadow:0 7px 24px rgba(251,191,36,.22);}
.act-btn.fdec{background:linear-gradient(135deg,var(--blue),#0ea5e9);color:#07080d;box-shadow:0 7px 24px rgba(56,189,248,.2);}
.act-btn i{font-size:18px;}

/* TEXT RESULT */
.result-sec{display:none;}
.result-sec.on{display:block;animation:fadeUp .4s ease both;}
.res-box{background:var(--s2);border:1px solid var(--border);border-radius:10px;padding:15px;position:relative;}
.res-box.ok{border-color:rgba(34,211,165,.22);}
.res-box.err{border-color:rgba(251,76,106,.22);}
.res-lbl{font-size:10px;font-weight:600;letter-spacing:2px;text-transform:uppercase;margin-bottom:8px;display:flex;align-items:center;gap:6px;}
.res-lbl.ok{color:var(--ok);}
.res-lbl.err{color:var(--danger);}
.res-lbl i{font-size:14px;}
.res-txt{font-family:'DM Mono',monospace;font-size:12px;line-height:1.7;word-break:break-all;color:var(--text);white-space:pre-wrap;}
.copy-res{position:absolute;top:12px;right:12px;padding:5px 10px;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--muted);font-family:'DM Mono',monospace;font-size:10px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:4px;}
.copy-res:hover{border-color:var(--accent);color:var(--accent);}
.copy-res.done{border-color:var(--ok);color:var(--ok);}
.stats{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px;}
.stat{background:var(--s2);border:1px solid var(--border);border-radius:6px;padding:4px 10px;font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);display:flex;align-items:center;gap:4px;}
.stat.engine{border-color:rgba(79,255,176,.3);color:var(--accent);}
.stat b{color:var(--amber);font-weight:500;}

/* MEDIA MODAL */
.media-overlay{position:fixed;inset:0;background:rgba(3,4,8,.95);backdrop-filter:blur(16px);z-index:700;display:none;align-items:center;justify-content:center;padding:16px;}
.media-overlay.open{display:flex;animation:fadeIn .22s ease both;}
.media-inner{position:relative;background:var(--s1);border:1px solid rgba(79,255,176,.1);border-radius:20px;overflow:hidden;max-width:92vw;max-height:92vh;box-shadow:0 40px 100px rgba(0,0,0,.85);display:flex;flex-direction:column;animation:scaleIn .28s cubic-bezier(.34,1.56,.64,1) both;min-width:320px;}
.media-hdr{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;border-bottom:1px solid var(--border);background:var(--s1);flex-shrink:0;gap:10px;}
.media-title{font-size:13px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;}
.media-close{width:32px;height:32px;border:1px solid var(--border);border-radius:8px;background:var(--s2);color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;font-size:18px;flex-shrink:0;}
.media-close:hover{border-color:var(--danger);color:var(--danger);background:rgba(251,76,106,.08);}
.media-body{flex:1;overflow:auto;display:flex;align-items:center;justify-content:center;background:#000;min-height:180px;}
.media-body img{display:block;max-width:88vw;max-height:76vh;object-fit:contain;}
.media-body video{display:block;max-width:88vw;max-height:76vh;background:#000;}
.media-body audio{padding:28px 24px;min-width:300px;}
.media-body iframe{display:block;width:84vw;height:76vh;border:none;background:#fff;}
.media-ftr{padding:9px 18px;border-top:1px solid var(--border);background:var(--s1);font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);display:flex;align-items:center;gap:10px;flex-shrink:0;}
.mf-badge{padding:3px 8px;border-radius:4px;background:rgba(79,255,176,.08);border:1px solid rgba(79,255,176,.15);color:var(--accent);}

.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(16px);background:var(--s1);border:1px solid rgba(251,76,106,.35);border-radius:10px;padding:9px 17px;font-family:'DM Mono',monospace;font-size:12px;color:var(--danger);box-shadow:0 8px 28px rgba(0,0,0,.5);z-index:900;opacity:0;pointer-events:none;transition:all .28s;white-space:nowrap;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
.toast.ok-toast{border-color:rgba(34,211,165,.35);color:var(--ok);}

@keyframes fadeDown{from{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:none}}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
@keyframes dropIn{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes scaleIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:none}}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:580px){.wrap{padding:22px 14px 60px}.card{padding:16px 18px}h1{font-size:1.8rem}}