:root{--bg:#0b0e14;--bg-soft:#11151f;--card:#151a26;--card-2:#1a2030;--border:#232b3d;--text:#e8ecf4;--text-dim:#8b94a8;--accent:#6c7cff;--accent-hover:#8391ff;--green:#34c77b;--red:#ff5c6c;--yellow:#f2b84b}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif;font-size:15px;line-height:1.5}a{color:inherit;text-decoration:none}.shell{display:flex;min-height:100vh}.sidebar{width:230px;flex-shrink:0;background:var(--bg-soft);border-right:1px solid var(--border);padding:24px 14px;display:flex;flex-direction:column;gap:4px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.logo{font-size:17px;font-weight:700;padding:0 12px 20px;letter-spacing:.2px}.logo span{color:var(--accent)}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--text-dim);font-weight:500;transition:background .15s,color .15s}.nav-item:hover{background:var(--card);color:var(--text)}.nav-item.active{background:var(--card-2);color:var(--text)}.main{flex:1 1;padding:32px 40px 80px;max-width:1300px}.page-title{font-size:24px;font-weight:700;margin-bottom:4px}.page-sub{color:var(--text-dim);margin-bottom:28px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:22px;margin-bottom:20px}.card h3{font-size:16px;margin-bottom:4px;display:flex;align-items:center;gap:8px}.card .hint{color:var(--text-dim);font-size:13px;margin-bottom:14px}label.field{display:block;margin-bottom:14px}label.field span{display:block;font-size:13px;font-weight:600;color:var(--text-dim);margin-bottom:6px}input[type=password],input[type=text],select,textarea{width:100%;background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;padding:10px 12px;color:var(--text);font-size:14px;font-family:inherit;outline:none;transition:border-color .15s}input:focus,textarea:focus{border-color:var(--accent)}textarea{resize:vertical;min-height:90px}.row{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;border:none;border-radius:10px;padding:10px 18px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;transition:background .15s,opacity .15s}.btn:hover{background:var(--accent-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:var(--card-2);border:1px solid var(--border);color:var(--text)}.btn.secondary:hover{background:var(--border)}.btn.success{background:var(--green);color:#06281a}.btn.danger{background:transparent;border:1px solid var(--red);color:var(--red)}.platform-checks{display:flex;flex-wrap:wrap;gap:10px}.platform-check{display:flex;align-items:center;gap:8px;background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;padding:9px 14px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;font-weight:500;transition:border-color .15s,background .15s}.platform-check.checked{border-color:var(--accent);background:rgba(108,124,255,.1)}.platform-check input{accent-color:var(--accent)}.switch-line{display:flex;align-items:center;gap:10px;margin:10px 0 14px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.switch-line input{accent-color:var(--accent);width:16px;height:16px}.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:3px 11px;font-size:12px;font-weight:600}.chip.draft{background:rgba(139,148,168,.15);color:var(--text-dim)}.chip.published{background:rgba(52,199,123,.15);color:var(--green)}.chip.partial{background:rgba(242,184,75,.15);color:var(--yellow)}.chip.failed{background:rgba(255,92,108,.15);color:var(--red)}.post-row{display:flex;align-items:center;gap:16px;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px 18px;margin-bottom:12px;transition:border-color .15s}.post-row:hover{border-color:var(--accent)}.post-thumb{width:56px;height:56px;border-radius:10px;object-fit:cover;background:var(--bg-soft);flex-shrink:0}.post-row .meta{flex:1 1;min-width:0}.post-row .meta .prompt{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.post-row .meta .sub{color:var(--text-dim);font-size:13px}.dropzone{border:2px dashed var(--border);border-radius:14px;padding:30px;text-align:center;color:var(--text-dim);cursor:pointer;transition:border-color .15s;margin-bottom:14px}.dropzone:hover{border-color:var(--accent)}.dropzone img{max-width:100%;max-height:320px;border-radius:10px}.alert{border-radius:10px;padding:12px 14px;font-size:14px;margin-bottom:16px}.alert.error{background:rgba(255,92,108,.12);color:var(--red);border:1px solid rgba(255,92,108,.35)}.alert.ok{background:rgba(52,199,123,.12);color:var(--green);border:1px solid rgba(52,199,123,.35)}.alert.warn{background:rgba(242,184,75,.12);color:var(--yellow);border:1px solid rgba(242,184,75,.35)}.previews{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));grid-gap:26px;gap:26px;align-items:start}.preview-col .platform-tag{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;font-weight:700;font-size:14px}.phone{background:#000;border-radius:34px;padding:10px;border:1px solid #2a3040;box-shadow:0 12px 40px rgba(0,0,0,.45);max-width:320px;margin:0 auto}.phone-screen{border-radius:26px;overflow:hidden;min-height:480px;display:flex;flex-direction:column;position:relative}.phone-notch{width:90px;height:20px;background:#000;border-radius:0 0 14px 14px;position:absolute;top:0;left:50%;transform:translateX(-50%);z-index:5}.caption-edit{margin-top:12px}.caption-edit textarea{font-size:13px;min-height:110px}.charcount{font-size:12px;color:var(--text-dim);text-align:right;margin-top:4px}.charcount.over{color:var(--red);font-weight:700}.pub-result{margin-top:8px;font-size:13px}.pub-result.ok{color:var(--green)}.pub-result.err{color:var(--red)}.mock{font-size:12.5px;flex:1 1;display:flex;flex-direction:column}.mock img.post-img{width:100%;aspect-ratio:1;object-fit:cover;display:block}.mock .avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:14px;flex-shrink:0}.spinner{display:inline-block;width:15px;height:15px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}