:root{--green-primary: #146c38;--green-hover: #0f532a;--green-active: #0a3d1e;--green-accent: #1b9e4b;--green-soft: #e8f6ec;--green-tab-active: #e6f4eb;--table-header-bg: #e8f0eb;--grid-line: #b8d9c4;--grid-border: #a3cdb3;--row-hover: #f0faf3;--blue: #1565c0;--red: #c62828;--red-hover: #a31f1f;--red-active: #801818;--amber: #d97706;--bg: #f4f6f5;--surface: #ffffff;--border: #d5dbe0;--border-light: #e5e9ec;--text: #1f2933;--muted: #52606d}*{box-sizing:border-box;margin:0;padding:0}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#f0f3f5}::-webkit-scrollbar-thumb{background:#c4cdd5}::-webkit-scrollbar-thumb:hover{background:var(--green-accent)}body{font-family:Segoe UI,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);font-size:12.5px;line-height:1.4}.app-shell{max-width:1440px;margin:0 auto;padding:12px 16px 28px}.topbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;background:var(--surface);border:1px solid var(--border);padding:10px 14px;margin-bottom:10px}.brand{display:flex;align-items:center;gap:10px}.brand-badge{background:var(--green-primary);color:#fff;font-weight:700;font-size:12.5px;padding:5px 9px;border-radius:2px;letter-spacing:.4px}.brand-title{font-size:15px;font-weight:700;color:var(--green-primary);letter-spacing:.2px}.brand-sub{font-size:11px;color:var(--muted)}.topbar-right{display:flex;flex-wrap:wrap;align-items:center;gap:6px}.api-box{display:flex;align-items:center;gap:6px;background:var(--green-soft);padding:3px 6px;border-radius:2px;font-size:11.5px;color:var(--green-primary);font-weight:600}.btn{display:inline-flex;align-items:center;justify-content:center;gap:5px;border:none;outline:none;background:var(--green-primary);color:#fff;font-family:inherit;font-weight:600;font-size:11.5px;height:28px;padding:0 10px;border-radius:2px;cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none;transition:background .12s}.btn:hover{background:var(--green-hover)}.btn:active{background:var(--green-active)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-danger{background:var(--red)}.btn-danger:hover{background:var(--red-hover)}.btn-danger:active{background:var(--red-active)}.btn-sm{height:25px;padding:0 8px;font-size:11px}.btn-icon-only{width:26px;height:25px;padding:0}.btn-svg{width:13px;height:13px;flex-shrink:0}.input{border:1px solid var(--border);border-radius:2px;background:#fff;color:var(--text);font-family:inherit;font-size:12px;height:28px;padding:0 8px;outline:none}.input:focus{border-color:var(--green-accent);background:#f0faf3}.kpi-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:10px}@media(max-width:1024px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}.kpi-card{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--green-primary);padding:9px 12px;display:flex;align-items:center;justify-content:space-between}.kpi-card.kpi-active{border-left-color:var(--green-accent)}.kpi-card.kpi-pending{border-left-color:var(--amber)}.kpi-card.kpi-stopped{border-left-color:var(--red)}.kpi-label{font-size:10.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.3px}.kpi-value{font-size:20px;font-weight:800;color:var(--text);line-height:1.15;margin-top:2px}.kpi-card.kpi-active .kpi-value{color:var(--green-primary)}.kpi-card.kpi-pending .kpi-value{color:var(--amber)}.kpi-card.kpi-stopped .kpi-value{color:var(--red)}.kpi-tag{font-size:10.5px;font-weight:600;padding:2px 6px;border-radius:2px;background:var(--green-soft);color:var(--green-primary)}.tab-bar{display:grid;grid-template-columns:repeat(2,1fr);background:var(--surface);border:1px solid var(--border);margin-bottom:10px}.tab-item{position:relative;display:flex;align-items:center;justify-content:center;gap:6px;height:36px;border:none;border-right:1px solid var(--border);background:var(--surface);color:var(--muted);font-family:inherit;font-size:12px;font-weight:600;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .12s,color .12s}.tab-item:last-child{border-right:none}.tab-item:hover{background:var(--row-hover);color:var(--green-primary)}.tab-item.active{background:var(--green-tab-active);color:var(--green-hover);font-weight:700}.tab-item.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--green-primary)}.tab-count{font-size:10.5px;font-weight:700;padding:1px 6px;border-radius:2px;background:var(--table-header-bg);color:var(--green-primary)}.tab-count.pending{background:#fef3c7;color:#b45309}.card{background:var(--surface);border:1px solid var(--border);display:flex;flex-direction:column}.card-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;background:var(--green-soft);border-bottom:1px solid var(--green-accent);padding:7px 12px}.card-title{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--green-primary);text-transform:uppercase}.card-body{padding:10px 12px}.device-grid{display:grid;grid-template-columns:1fr 410px;gap:10px;align-items:start}@media(max-width:1120px){.device-grid{grid-template-columns:1fr}}.device-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.quick-add-form{display:flex;flex-wrap:wrap;align-items:center;gap:6px}.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:4px}.filter-pill{border:none;background:var(--table-header-bg);color:var(--muted);font-family:inherit;font-size:11px;font-weight:600;height:26px;padding:0 9px;border-radius:2px;cursor:pointer}.filter-pill:hover{background:#ddf0e2;color:var(--green-primary)}.filter-pill.active{background:var(--green-primary);color:#fff}.table-wrap{border:1px solid var(--grid-border);max-height:520px;overflow-y:auto}.data-table{width:100%;border-collapse:collapse;font-size:11.5px}.data-table th{background:var(--table-header-bg);color:var(--green-accent);font-weight:600;font-size:11px;height:32px;padding:0 8px;text-align:left;border-right:1px solid var(--grid-line);border-bottom:1px solid var(--grid-line);position:sticky;top:0;z-index:1;white-space:nowrap}.data-table th:last-child,.data-table td:last-child{border-right:none}.data-table td{height:34px;padding:4px 8px;border-right:1px solid var(--grid-line);border-bottom:1px solid var(--grid-line);vertical-align:middle}.data-table tbody tr{background:#fff;cursor:pointer}.data-table tbody tr:nth-child(2n){background:#fafcfb}.data-table tbody tr:hover{background:var(--row-hover)}.data-table tbody tr.selected{background:var(--green-soft)}.machine-code{font-family:Consolas,monospace;font-weight:700;font-size:12px;color:var(--green-primary)}.sub-text{font-size:10.5px;color:var(--muted)}.badge{display:inline-flex;align-items:center;font-size:10.5px;font-weight:700;padding:2px 6px;border-radius:2px;white-space:nowrap}.badge-active,.badge-play{background:#dcfce7;color:#146c38}.badge-pending,.badge-wait{background:#fef3c7;color:#b45309}.badge-stopped,.badge-done{background:#fee2e2;color:#b91c1c}.row-actions{display:flex;align-items:center;gap:4px}.games-summary-bar{display:flex;align-items:center;justify-content:space-between;background:#f7fbf8;border:1px solid var(--border);padding:6px 10px;margin-bottom:8px;font-size:11.5px}.games-list{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;max-height:480px;overflow-y:auto}.game-item{border:1px solid var(--border);background:#fafcfb;padding:6px 8px;display:flex;flex-direction:column;gap:4px}.game-item.played{border-color:var(--grid-border);background:#fff}.game-item-top{display:flex;align-items:center;justify-content:space-between;gap:4px}.game-name{font-weight:700;font-size:11.5px;color:var(--text)}.game-cmd{font-family:Consolas,monospace;font-size:10px;color:var(--muted)}.game-count{font-weight:800;font-size:12.5px;color:var(--green-primary)}.game-bar-track{height:4px;background:#e5e9ec;overflow:hidden}.game-bar-fill{height:100%;background:var(--green-primary)}.main-grid{display:grid;grid-template-columns:290px 1fr 310px;gap:10px;align-items:start}@media(max-width:1120px){.main-grid{grid-template-columns:1fr}}.create-row{display:flex;gap:6px;margin-bottom:8px}.create-row .input{width:96px;text-align:center;font-weight:700;letter-spacing:1px}.room-list{display:flex;flex-direction:column;gap:6px;max-height:500px;overflow-y:auto}.room-item{border:1px solid var(--border);padding:8px 10px;cursor:pointer;background:#fafcfb}.room-item:hover{border-color:var(--green-accent);background:var(--row-hover)}.room-item.active{border-color:var(--green-primary);background:var(--green-soft)}.room-item-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}.room-code{font-family:Consolas,monospace;font-size:14px;font-weight:700;color:var(--green-primary)}.room-meta{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted)}.board-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px;background:#f7fbf8;border:1px solid var(--border);padding:6px 10px}.turn-indicator{font-size:12.5px;font-weight:700}.turn-x{color:var(--red)}.turn-o{color:var(--blue)}.board-wrap{display:flex;flex-direction:column;align-items:center;overflow-x:auto;padding:2px 0}.caro-grid{display:grid;grid-template-columns:20px repeat(25,22px);grid-template-rows:20px repeat(25,22px);border:1px solid var(--grid-border);background:#fff;-webkit-user-select:none;user-select:none}.coord-cell{display:flex;align-items:center;justify-content:center;font-size:9.5px;font-family:Consolas,monospace;color:var(--green-primary);font-weight:600;background:var(--table-header-bg);border-right:1px solid var(--grid-line);border-bottom:1px solid var(--grid-line)}.board-cell{width:22px;height:22px;border-right:1px solid #dce5df;border-bottom:1px solid #dce5df;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;cursor:pointer}.board-cell:hover{background:var(--green-soft)}.board-cell.cell-x{color:var(--red)}.board-cell.cell-o{color:var(--blue)}.board-cell.last-move{background:#fef08a;box-shadow:inset 0 0 0 1.5px var(--green-primary)}.latest-row{background:#fef9c3!important;font-weight:600}.error-banner{background:#fee2e2;border-left:4px solid var(--red);color:var(--red);padding:6px 10px;font-size:11.5px;font-weight:600;margin-bottom:8px}.empty-state{text-align:center;padding:28px 12px;color:var(--muted);font-size:12px}.login-wrap{display:flex;justify-content:center;padding:36px 12px}.login-card{width:100%;max-width:390px;background:var(--surface);border:1px solid var(--border);box-shadow:0 8px 24px #00000014}.login-header{display:flex;align-items:center;gap:8px;height:36px;background:#f0f3f5;border-bottom:1px solid var(--border);padding-right:12px;font-size:12px;font-weight:700;color:var(--green-primary);letter-spacing:.3px}.login-header-accent{width:4px;height:100%;background:var(--green-primary);margin-right:4px}.login-body{padding:16px;display:flex;flex-direction:column;gap:12px}.login-field{display:flex;flex-direction:column;gap:4px}.login-field label{font-size:11.5px;font-weight:600;color:var(--muted)}.login-field .input{width:100%;height:32px}.login-error{background:#fee2e2;border-left:3px solid var(--red);color:var(--red);padding:6px 8px;font-size:11.5px;font-weight:600}.login-actions{display:flex;gap:6px;margin-top:2px}.login-actions .btn{height:32px}.pwd-bar{display:flex;flex-wrap:wrap;align-items:center;gap:6px;background:var(--green-soft);border:1px solid var(--green-accent);padding:7px 12px;margin-bottom:10px}.pwd-title{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:700;color:var(--green-primary);margin-right:4px}.pwd-error{font-size:11.5px;font-weight:600;color:var(--red);margin-left:6px}