:root{--bg:#f4f6f9;--card:#fff;--text:#20242a;--muted:#6b7280;--line:#e2e7ee;--accent:#d92332;--accent-dark:#b91624;--dark:#20242a;--green:#17864b;--orange:#d88416;--shadow:0 12px 34px rgba(20,28,40,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#f7f8fa 0,#f1f4f7 100%);color:var(--text);font-family:Inter,"Segoe UI",Arial,sans-serif;font-size:15px;font-weight:400;line-height:1.5}a{text-decoration:none;color:inherit}.top{background:rgba(27,30,35,.98);color:#fff;padding:14px 24px;display:flex;justify-content:space-between;align-items:center;font-size:13px;box-shadow:0 4px 16px rgba(0,0,0,.14);position:sticky;top:0;z-index:20}.top strong{font-size:15px;font-weight:650;letter-spacing:.2px}.top span{color:#d9dde3}.app-shell{max-width:1180px;margin:28px auto;padding:0 18px 60px}.sheet-tabs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:12px;padding:9px;box-shadow:var(--shadow)}.sheet-tab,.sheet-add{border:0;background:transparent;font-weight:600;padding:9px 13px;cursor:pointer;border-radius:8px;transition:.18s ease;font-size:14px}.sheet-tab:hover{background:#f2f4f7}.sheet-tab.active{background:var(--dark);color:#fff;box-shadow:0 5px 13px rgba(25,29,35,.2)}.sheet-add{color:var(--accent)}.sheet-add:hover{background:#fff0f2}.inline{display:inline}.sheet-title{display:flex;justify-content:space-between;align-items:center;margin:24px 2px 8px}.sheet-title h1{font-size:25px;font-weight:650;letter-spacing:-.3px;margin:0}.status-pill{border-radius:999px;padding:7px 13px;font-weight:600;font-size:12px;background:#e8ebef;color:#515966}.status-running{background:#fff0c9;color:#7a5704}.status-completed{background:#ddf6e8;color:#12613a}.status-completed_errors{background:#ffe4e6;color:#8b1822}.completed-banner{background:linear-gradient(135deg,#168449,#20a861);color:#fff;font-size:20px;font-weight:700;text-align:center;padding:15px;border-radius:12px;margin:16px 0;box-shadow:0 10px 24px rgba(22,132,73,.18)}.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;margin:18px 0;box-shadow:var(--shadow)}.panel h2{margin:0 0 17px;font-size:19px;font-weight:650;letter-spacing:-.15px}.panel h3{font-size:16px;font-weight:650}.panel-head,.row-between{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.editor-tabs{display:flex;background:#f1f3f6;padding:3px;border-radius:9px}.editor-mode{background:transparent;border:0;padding:8px 12px;font-weight:600;cursor:pointer;border-radius:7px;color:#5d6571}.editor-mode.active{background:#fff;color:#20242a;box-shadow:0 2px 8px rgba(0,0,0,.09)}.toolbar{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.toolbar button,.upload-btn{border:1px solid #d6dbe2;background:#f8f9fb;padding:8px 11px;font-weight:550;cursor:pointer;border-radius:7px;color:#414852;transition:.15s}.toolbar button:hover,.upload-btn:hover{background:#edf0f4;border-color:#c5cbd4}.visual-editor,.html-editor,.mail-list{width:100%;border:1px solid #d5dbe3;border-radius:10px;min-height:260px;padding:18px;background:#fff;overflow:auto;outline:none;transition:.15s;box-shadow:inset 0 1px 2px rgba(0,0,0,.025)}.visual-editor:focus,.html-editor:focus,.mail-list:focus,input:focus,select:focus,textarea:focus{border-color:#9ca7b5;box-shadow:0 0 0 3px rgba(70,83,102,.08)}.html-editor{font-family:Consolas,"Courier New",monospace;font-size:13px}.mail-list{min-height:220px}.visual-editor img{max-width:100%;height:auto}.right{text-align:right;margin-top:14px}.btn{border:0;background:linear-gradient(135deg,var(--accent),#ec3543);color:#fff;padding:10px 16px;font-weight:650;border-radius:8px;cursor:pointer;box-shadow:0 5px 13px rgba(217,35,50,.18);transition:.17s}.btn:hover{transform:translateY(-1px);background:linear-gradient(135deg,var(--accent-dark),var(--accent))}.btn.secondary{background:#454b55;box-shadow:none}.btn.green-bg{background:linear-gradient(135deg,#158148,#20a760)}.btn.warning{background:linear-gradient(135deg,#cc750e,#e6962d)}.btn.pdf{background:linear-gradient(135deg,#c91c2b,#e63442)}.btn.tiny{padding:5px 9px;font-size:11px}.alert{padding:12px 14px;border-radius:9px;margin:11px 0;border:1px solid transparent}.alert.ok{background:#e4f7ec;color:#145e37;border-color:#c6ebd5}.alert.err{background:#ffeaeb;color:#8d1721;border-color:#f6cdd0}.hint{color:var(--muted);font-size:14px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px 20px}label{font-weight:600;display:block;color:#31363d;font-size:14px}input,select,textarea{font:inherit;color:var(--text)}label input,label select,.test-form input{width:100%;padding:11px 12px;border:1px solid #d1d7df;border-radius:8px;margin-top:6px;background:#fff;outline:none}small{display:block;color:#777f8a;margin-top:6px;font-weight:400}.test-box{border-top:1px solid var(--line);margin-top:25px;padding-top:18px;background:#fafbfc;border-radius:0 0 10px 10px}.test-form{display:flex;gap:11px}.test-form input{flex:1;margin:0}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:14px 0}.stats-grid>div{background:linear-gradient(180deg,#fafbfc,#f4f6f8);border:1px solid #e4e8ed;padding:16px;text-align:center;border-radius:10px}.stats-grid b{display:block;font-size:25px;font-weight:650}.stats-grid span{font-size:12px;color:#737b86}.green,.q-sent{color:#11904c}.red,.q-failed{color:#d51e2e}.q-pending{color:#a46f00}.q-sending{color:#1769aa}.send-actions{margin:17px 0}.queue-list{border:1px solid var(--line);border-radius:10px;max-height:390px;overflow:auto;background:#fff}.queue-row{display:flex;justify-content:space-between;gap:20px;padding:10px 13px;border-bottom:1px solid #edf0f3;font-size:14px}.queue-row:nth-child(even){background:#fafbfc}.queue-row strong{font-weight:600}.login-bg{min-height:100vh;display:grid;place-items:center}.login-card{width:min(480px,92vw);background:#fff;padding:30px;border-radius:16px;box-shadow:0 20px 55px rgba(20,28,40,.15)}.login-card h1{font-weight:650}.login-card input{width:100%;padding:11px;margin:6px 0 13px;border:1px solid #d2d8df;border-radius:8px}.login-card label{display:block}.login-card hr{margin:14px 0;border:0;border-top:1px solid var(--line)}
@media(max-width:760px){.top{align-items:flex-start;flex-direction:column;gap:8px;position:static}.form-grid,.stats-grid{grid-template-columns:1fr}.panel{padding:17px;border-radius:11px}.test-form{flex-direction:column}.sheet-title{align-items:flex-start;flex-direction:column;gap:10px}.row-between{align-items:stretch}.row-between .btn{width:100%}.queue-row{flex-direction:column;gap:3px}.app-shell{padding:0 12px 40px;margin-top:16px}}