:root{--bg:#101827;--card:#172235;--panel:#e6ebf5;--panel2:#f7fbff;--text:#10243b;--muted:#667085;--accent:#6d7cff;--accent2:#4ac7ff;--bar1:#1f4ea8;--bar2:#4d7de0;--border:#8793aa;--shadow:rgba(0,0,0,.22);--terminal:#00ff88;--terminalbg:#06140e}*{box-sizing:border-box}body{margin:0;font-family:Verdana,Arial,sans-serif;background:radial-gradient(circle at top,#263d65 0,#101827 45%,#080d16 100%);color:#fff;min-height:100vh}.kd-app{max-width:1120px;margin:0 auto;padding:28px 14px 44px}.hero-card{background:linear-gradient(135deg,rgba(109,124,255,.18),rgba(74,199,255,.12));border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:22px;margin-bottom:18px;box-shadow:0 18px 50px var(--shadow)}.badge{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:7px 12px;font-size:.82rem;font-weight:700}.hero-card h1{font-size:clamp(1.8rem,4vw,3.2rem);margin:12px 0 8px;line-height:1}.hero-card h1 span{color:var(--accent2)}.hero-card p{max-width:850px;line-height:1.7;color:#d9e4ff}.nick-window{border:2px solid var(--bar1);background:#cfd8e6;box-shadow:inset 1px 1px 0 #fff,inset -1px -1px 0 #8392ad,0 18px 50px var(--shadow);border-radius:12px;overflow:hidden;color:var(--text)}.titlebar{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(90deg,var(--bar1),var(--bar2));color:#fff;padding:10px 13px;font-weight:700;letter-spacing:.2px}.window-buttons{display:flex;gap:6px}.window-buttons i{display:block;width:16px;height:16px;background:#dce7ff;border:1px solid #17366d;box-shadow:inset 1px 1px 0 #fff}.toolbar{display:flex;gap:8px;flex-wrap:wrap;padding:12px;background:#dfe7f4;border-bottom:1px solid var(--border)}button{border:1px solid #6f7c92;background:#fff;color:#10243b;border-radius:8px;padding:9px 12px;font-weight:700;cursor:pointer;box-shadow:inset 1px 1px 0 rgba(255,255,255,.8)}button:hover{filter:brightness(.98);transform:translateY(-1px)}button.primary{background:linear-gradient(180deg,#fff,#dfe7ff);border-color:#4b63c4;color:#1b2c68}.nick-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;padding:16px}.panel{background:var(--panel);border:1px solid var(--border);box-shadow:inset 1px 1px 0 #fff,inset -1px -1px 0 #b0b9ca;border-radius:10px;padding:16px}.controls-panel label{display:block;margin:12px 0 6px;font-size:.88rem;color:var(--muted);font-weight:700}input,select{width:100%;border:1px solid #7d8799;border-radius:8px;background:#fff;color:#10243b;padding:12px;font-size:1rem;box-shadow:inset 1px 1px 0 rgba(0,0,0,.08)}.check-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin:12px 0}.check-row label{display:flex;align-items:center;gap:6px;background:var(--panel2);border:1px dashed #a4b2ca;border-radius:8px;padding:8px;margin:0;font-size:.82rem}.check-row input{width:auto}.actions,.presets,.list-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}.section-title{font-weight:900;color:#2f4f8f;margin-bottom:9px;text-transform:uppercase;font-size:.86rem;letter-spacing:.06em}.output{min-height:132px;border:1px solid #7d8799;border-radius:8px;background:linear-gradient(180deg,#fff,#f4f7fb);padding:14px;font-size:1.55rem;line-height:1.55;word-break:break-word;display:flex;align-items:center}.preview-box{margin-top:14px;padding:12px;border:1px dashed #8da1c1;border-radius:8px;background:#f8fbff}.preview-box small{display:block;color:var(--muted);margin-bottom:6px}.mini-status{margin-top:12px;font-size:.9rem;color:var(--muted)}.lists-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:0 16px 16px}.list-panel ol{min-height:120px;max-height:260px;overflow:auto;background:#fff;border:1px solid #c0cada;border-radius:8px;margin:12px 0 0;padding:10px 10px 10px 34px}.list-panel li{padding:7px 4px;border-bottom:1px solid #edf1f6;word-break:break-word}.list-panel li button{padding:3px 7px;margin-left:6px;font-size:.72rem}.about{margin:0 16px 16px;line-height:1.6}.about h2{margin-top:0;color:#2f4f8f}body.theme-terminal{background:#020805;color:#b7ffd7}body.theme-terminal .hero-card,body.theme-terminal .nick-window,body.theme-terminal .panel{background:#06140e;color:#00ff88;border-color:#00aa66;box-shadow:0 0 18px rgba(0,255,136,.12),inset 1px 1px 0 rgba(0,255,136,.2)}body.theme-terminal .titlebar{background:linear-gradient(90deg,#00351f,#00663f);color:#b7ffd7}body.theme-terminal input,body.theme-terminal select,body.theme-terminal .output,body.theme-terminal .preview-box,body.theme-terminal .list-panel ol{background:#020805;color:#00ff88;border-color:#00aa66}body.theme-amber{background:#120b00;color:#ffd37a}body.theme-amber .hero-card,body.theme-amber .nick-window,body.theme-amber .panel{background:#1f1300;color:#ffd37a;border-color:#c37b00}body.theme-amber .titlebar{background:linear-gradient(90deg,#5b3500,#a86400)}body.theme-amber input,body.theme-amber select,body.theme-amber .output,body.theme-amber .preview-box,body.theme-amber .list-panel ol{background:#140c00;color:#ffd37a;border-color:#c37b00}body.theme-xp{--bar1:#245edb;--bar2:#3f8cff;--accent:#23a4ff}body.theme-win95{background:#008080}body.theme-win95 .hero-card{background:#c0c0c0;color:#111;border-radius:0}body.theme-win95 .nick-window,body.theme-win95 .panel,body.theme-win95 .toolbar{border-radius:0;background:#c0c0c0}body.theme-win95 button,body.theme-win95 input,body.theme-win95 select,body.theme-win95 .output,body.theme-win95 .preview-box,body.theme-win95 .list-panel ol{border-radius:0}@media(max-width:860px){.nick-grid,.lists-grid{grid-template-columns:1fr}.check-row{grid-template-columns:1fr}.output{font-size:1.25rem}}