/* ── TaskFlow AI Plugin Styles ── */
#taskflow-root {
  --tf-bg:#F7F5F0;--tf-surface:#fff;--tf-surface2:#F0EDE6;
  --tf-border:rgba(0,0,0,.08);--tf-border2:rgba(0,0,0,.15);
  --tf-text:#1A1A18;--tf-text2:#6B6860;--tf-text3:#AAA89E;
  --tf-green:#2D6A4F;--tf-green-bg:#D8F3DC;
  --tf-amber:#7D5A00;--tf-amber-bg:#FFF3CD;
  --tf-red:#9B2335;--tf-red-bg:#FDDDE6;
  --tf-blue:#1A3A6B;--tf-blue-bg:#D6E8FF;
  --tf-r:12px;--tf-rs:8px;--tf-rl:18px;
  font-family:'Instrument Sans',sans-serif;
}
#taskflow-root[data-theme="dark"] {
  --tf-bg:#111110;--tf-surface:#1C1C1A;--tf-surface2:#242422;
  --tf-border:rgba(255,255,255,.08);--tf-border2:rgba(255,255,255,.15);
  --tf-text:#F0EDE6;--tf-text2:#8A8880;--tf-text3:#555450;
  --tf-green:#74C69D;--tf-green-bg:#1B3A2D;
  --tf-amber:#F5C842;--tf-amber-bg:#2E2400;
  --tf-red:#FF8FA3;--tf-red-bg:#3A0D18;
  --tf-blue:#90B8F8;--tf-blue-bg:#0D1E38;
}
#taskflow-root *{box-sizing:border-box;margin:0;padding:0}

/* AUTH */
#taskflow-root .tf-auth-screen{display:flex;align-items:center;justify-content:center;min-height:520px;background:var(--tf-bg);padding:40px 20px}
#taskflow-root .tf-auth-card{background:var(--tf-surface);border:1px solid var(--tf-border2);border-radius:var(--tf-rl);padding:36px;width:420px;max-width:100%}
#taskflow-root .tf-auth-logo{font-family:'Syne',sans-serif;font-size:24px;font-weight:700;color:var(--tf-text);text-align:center;letter-spacing:-.5px;margin-bottom:4px}
#taskflow-root .tf-auth-sub{font-size:12px;color:var(--tf-text3);text-align:center;margin-bottom:24px}
#taskflow-root .tf-auth-tabs{display:flex;gap:0;margin-bottom:24px;background:var(--tf-surface2);border-radius:var(--tf-rs);padding:4px}
#taskflow-root .tf-tab-btn{flex:1;padding:8px;border:none;background:transparent;border-radius:calc(var(--tf-rs) - 2px);font-family:'Instrument Sans',sans-serif;font-size:13px;font-weight:500;color:var(--tf-text2);cursor:pointer;transition:all .15s}
#taskflow-root .tf-tab-btn.active{background:var(--tf-surface);color:var(--tf-text);box-shadow:0 1px 3px rgba(0,0,0,.08)}
#taskflow-root .tf-field{margin-bottom:14px}
#taskflow-root .tf-field label{display:block;font-size:12px;font-weight:500;color:var(--tf-text2);margin-bottom:5px}
#taskflow-root .tf-field input{width:100%;background:var(--tf-surface2);border:1px solid var(--tf-border);border-radius:var(--tf-rs);padding:10px 13px;color:var(--tf-text);font-family:'Instrument Sans',sans-serif;font-size:14px;outline:none;transition:border-color .15s}
#taskflow-root .tf-field input:focus{border-color:var(--tf-border2)}
#taskflow-root .tf-field input::placeholder{color:var(--tf-text3)}
#taskflow-root .tf-error{font-size:12px;color:var(--tf-red);background:var(--tf-red-bg);padding:8px 12px;border-radius:var(--tf-rs);margin-bottom:12px;display:none}
#taskflow-root .tf-error.show{display:block}

/* BUTTONS */
#taskflow-root .tf-btn{font-family:'Instrument Sans',sans-serif;cursor:pointer;border-radius:var(--tf-rs);font-size:13px;font-weight:500;transition:all .15s;border:1px solid var(--tf-border2);background:transparent;color:var(--tf-text);padding:8px 16px}
#taskflow-root .tf-btn:hover{background:var(--tf-surface2)}
#taskflow-root .tf-btn:active{transform:scale(.98)}
#taskflow-root .tf-btn:disabled{opacity:.4;cursor:not-allowed}
#taskflow-root .tf-btn-primary{background:var(--tf-text);color:var(--tf-bg);border-color:var(--tf-text)}
#taskflow-root .tf-btn-primary:hover{opacity:.85}
#taskflow-root .tf-btn-ghost{background:transparent;border-color:var(--tf-border2);color:var(--tf-text)}
#taskflow-root .tf-btn-danger{color:var(--tf-red);border-color:var(--tf-red-bg)}
#taskflow-root .tf-btn-danger:hover{background:var(--tf-red-bg)}
#taskflow-root .tf-full{width:100%;margin-top:6px}
#taskflow-root .tf-small{font-size:12px;padding:6px 12px}

/* LAYOUT */
#taskflow-root .tf-layout{display:flex;min-height:600px;background:var(--tf-bg)}
#taskflow-root .tf-sidebar{width:230px;background:var(--tf-surface);border-right:1px solid var(--tf-border);display:flex;flex-direction:column;flex-shrink:0}
#taskflow-root .tf-sb-logo{padding:20px 18px 14px;border-bottom:1px solid var(--tf-border)}
#taskflow-root .tf-sb-name{font-family:'Syne',sans-serif;font-size:17px;font-weight:700;color:var(--tf-text);letter-spacing:-.5px}
#taskflow-root .tf-sb-powered{display:inline-flex;align-items:center;gap:5px;margin-top:4px;font-size:11px;color:var(--tf-text3)}
#taskflow-root .tf-ai-dot{width:6px;height:6px;background:#2D6A4F;border-radius:50%;animation:tfblink 2s ease-in-out infinite}
@keyframes tfblink{0%,100%{opacity:1}50%{opacity:.3}}
#taskflow-root .tf-sb-user{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--tf-border);background:var(--tf-surface2)}
#taskflow-root .tf-user-avatar{width:34px;height:34px;border-radius:50%;background:var(--tf-text);color:var(--tf-bg);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex-shrink:0}
#taskflow-root .tf-user-name{font-size:13px;font-weight:500;color:var(--tf-text)}
#taskflow-root .tf-user-role{font-size:11px;color:var(--tf-text3)}
#taskflow-root .tf-logout-btn{margin-left:auto;background:transparent;border:none;color:var(--tf-text3);cursor:pointer;font-size:16px;padding:4px;border-radius:4px;transition:color .15s}
#taskflow-root .tf-logout-btn:hover{color:var(--tf-red)}
#taskflow-root .tf-sb-section{padding:12px 10px 4px}
#taskflow-root .tf-sb-lbl{font-size:10px;color:var(--tf-text3);letter-spacing:.12em;text-transform:uppercase;padding:0 8px;margin-bottom:4px}
#taskflow-root .tf-nav{display:flex;align-items:center;gap:8px;width:100%;padding:8px 10px;border-radius:var(--tf-rs);background:transparent;border:none;color:var(--tf-text2);font-family:'Instrument Sans',sans-serif;font-size:13px;cursor:pointer;text-align:left;transition:all .15s}
#taskflow-root .tf-nav:hover{background:var(--tf-surface2);color:var(--tf-text)}
#taskflow-root .tf-nav.active{background:var(--tf-text);color:var(--tf-bg)}
#taskflow-root .tf-ico{font-size:13px;width:16px;text-align:center}
#taskflow-root .tf-badge{margin-left:auto;font-size:11px;background:var(--tf-surface2);color:var(--tf-text3);padding:1px 7px;border-radius:99px;min-width:20px;text-align:center}
#taskflow-root .tf-nav.active .tf-badge{background:rgba(255,255,255,.15);color:rgba(255,255,255,.7)}
#taskflow-root .tf-proj-item{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:var(--tf-rs);cursor:pointer;font-size:12px;color:var(--tf-text2);border:none;background:transparent;width:100%;text-align:left;font-family:'Instrument Sans',sans-serif;transition:all .15s}
#taskflow-root .tf-proj-item:hover{background:var(--tf-surface2);color:var(--tf-text)}
#taskflow-root .tf-pdot{width:7px;height:7px;border-radius:50%;flex-shrink:0}
#taskflow-root .tf-pname{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#taskflow-root .tf-pcnt{font-size:11px;color:var(--tf-text3)}
#taskflow-root .tf-sb-bottom{margin-top:auto;padding:12px 10px;border-top:1px solid var(--tf-border);display:flex;flex-direction:column;gap:8px}
#taskflow-root .tf-theme-toggle{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;border-radius:var(--tf-rs);background:var(--tf-surface2);font-size:12px;color:var(--tf-text2);cursor:pointer;border:none;font-family:'Instrument Sans',sans-serif;transition:all .15s}
#taskflow-root .tf-theme-toggle:hover{color:var(--tf-text)}
#taskflow-root .tf-toggle-switch{width:30px;height:17px;background:var(--tf-border2);border-radius:99px;position:relative;transition:background .2s}
#taskflow-root .tf-toggle-switch.on{background:var(--tf-text)}
#taskflow-root .tf-toggle-knob{width:12px;height:12px;background:white;border-radius:50%;position:absolute;top:2.5px;left:2.5px;transition:left .2s}
#taskflow-root .tf-toggle-switch.on .tf-toggle-knob{left:15.5px}

/* MAIN */
#taskflow-root .tf-main{flex:1;display:flex;flex-direction:column;min-width:0}
#taskflow-root .tf-topbar{background:var(--tf-bg);border-bottom:1px solid var(--tf-border);padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
#taskflow-root .tf-topbar-title{font-family:'Syne',sans-serif;font-size:22px;font-weight:700;color:var(--tf-text);letter-spacing:-.5px}
#taskflow-root .tf-topbar-sub{font-size:12px;color:var(--tf-text3);margin-top:2px}
#taskflow-root .tf-topbar-right{display:flex;gap:8px}
#taskflow-root .tf-content{padding:22px 24px;flex:1}
#taskflow-root .tf-tab-page{display:block}

/* STATS */
#taskflow-root .tf-stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:20px}
#taskflow-root .tf-3col{grid-template-columns:repeat(3,minmax(0,1fr))}
#taskflow-root .tf-stat{background:var(--tf-surface);border:1px solid var(--tf-border);border-radius:var(--tf-r);padding:14px 16px}
#taskflow-root .tf-stat-lbl{font-size:11px;color:var(--tf-text3);text-transform:uppercase;letter-spacing:.07em;margin-bottom:5px}
#taskflow-root .tf-stat-val{font-family:'Syne',sans-serif;font-size:28px;font-weight:700;color:var(--tf-text)}
#taskflow-root .tf-stat-hint{font-size:11px;color:var(--tf-text3);margin-top:2px}
#taskflow-root .tf-sec-lbl{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--tf-text3);margin-bottom:10px}

/* AI PANEL */
#taskflow-root .tf-ai-panel{background:var(--tf-surface);border:1px solid var(--tf-border);border-radius:var(--tf-rl);margin-bottom:16px;overflow:hidden}
#taskflow-root .tf-ai-head{padding:10px 16px;background:var(--tf-surface2);border-bottom:1px solid var(--tf-border);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
#taskflow-root .tf-ai-tag{font-family:'Syne',sans-serif;font-size:10px;font-weight:600;letter-spacing:.1em;background:var(--tf-text);color:var(--tf-bg);padding:3px 9px;border-radius:99px}
#taskflow-root .tf-ai-hint{font-size:12px;color:var(--tf-text2)}
#taskflow-root .tf-ai-body{display:flex;gap:10px;padding:12px 16px;align-items:flex-end}
#taskflow-root .tf-ai-ta{flex:1;background:transparent;border:none;outline:none;color:var(--tf-text);font-family:'Instrument Sans',sans-serif;font-size:13px;line-height:1.6;resize:none;min-height:56px;max-height:180px}
#taskflow-root .tf-ai-ta::placeholder{color:var(--tf-text3)}
#taskflow-root .tf-ai-loading{display:none;align-items:center;gap:8px;font-size:13px;color:var(--tf-text2);padding:6px 16px 12px}
#taskflow-root .tf-ai-loading.show{display:flex}
#taskflow-root .tf-spinner{width:14px;height:14px;border:2px solid var(--tf-border2);border-top-color:var(--tf-text);border-radius:50%;animation:tfspin .7s linear infinite;flex-shrink:0}
@keyframes tfspin{to{transform:rotate(360deg)}}

/* QUICK ADD / FILTERS */
#taskflow-root .tf-quick-row{display:flex;gap:8px;margin-bottom:14px}
#taskflow-root .tf-quick-row input{flex:1;background:var(--tf-surface);border:1px solid var(--tf-border);border-radius:var(--tf-rs);padding:9px 13px;color:var(--tf-text);font-family:'Instrument Sans',sans-serif;font-size:13px;outline:none;transition:border-color .15s}
#taskflow-root .tf-quick-row input:focus{border-color:var(--tf-border2)}
#taskflow-root .tf-quick-row input::placeholder{color:var(--tf-text3)}
#taskflow-root .tf-filter-row{display:flex;gap:5px;margin-bottom:14px;flex-wrap:wrap}
#taskflow-root .tf-fchip{font-family:'Instrument Sans',sans-serif;font-size:12px;font-weight:500;padding:4px 13px;border-radius:99px;border:1px solid var(--tf-border);background:transparent;color:var(--tf-text2);cursor:pointer;transition:all .15s}
#taskflow-root .tf-fchip:hover{border-color:var(--tf-border2);color:var(--tf-text)}
#taskflow-root .tf-fchip.active{background:var(--tf-text);color:var(--tf-bg);border-color:var(--tf-text)}

/* TASKS */
#taskflow-root .tf-task-group{margin-bottom:22px}
#taskflow-root .tf-tg-head{display:flex;align-items:center;gap:8px;margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid var(--tf-border)}
#taskflow-root .tf-tg-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}
#taskflow-root .tf-tg-name{font-family:'Syne',sans-serif;font-size:13px;font-weight:600;color:var(--tf-text)}
#taskflow-root .tf-tg-meta{font-size:12px;color:var(--tf-text3)}
#taskflow-root .tf-tg-prog{margin-left:auto;font-size:11px;color:var(--tf-text3);background:var(--tf-surface2);padding:2px 9px;border-radius:99px}
#taskflow-root .tf-task-row{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;background:var(--tf-surface);border:1px solid var(--tf-border);border-radius:var(--tf-rs);margin-bottom:5px;cursor:pointer;transition:border-color .15s}
#taskflow-root .tf-task-row:hover{border-color:var(--tf-border2)}
#taskflow-root .tf-task-row.tf-done{opacity:.45}
#taskflow-root .tf-chk{width:17px;height:17px;border-radius:4px;border:1.5px solid var(--tf-border2);flex-shrink:0;margin-top:1px;display:flex;align-items:center;justify-content:center;transition:all .15s;background:transparent}
#taskflow-root .tf-chk.on{background:var(--tf-green);border-color:var(--tf-green)}
#taskflow-root .tf-chk.on::after{content:'';display:block;width:4px;height:8px;border:2px solid #fff;border-top:none;border-left:none;transform:rotate(45deg) translateY(-1px)}
#taskflow-root .tf-tbody{flex:1;min-width:0}
#taskflow-root .tf-ttitle{font-size:13px;color:var(--tf-text);line-height:1.4;margin-bottom:4px}
#taskflow-root .tf-task-row.tf-done .tf-ttitle{text-decoration:line-through;color:var(--tf-text3)}
#taskflow-root .tf-tags{display:flex;gap:4px;flex-wrap:wrap}
#taskflow-root .tf-tag{font-size:11px;font-weight:500;padding:2px 8px;border-radius:99px}
#taskflow-root .tf-tag-high{background:var(--tf-red-bg);color:var(--tf-red)}
#taskflow-root .tf-tag-medium{background:var(--tf-amber-bg);color:var(--tf-amber)}
#taskflow-root .tf-tag-low{background:var(--tf-green-bg);color:var(--tf-green)}
#taskflow-root .tf-tag-type{background:var(--tf-surface2);color:var(--tf-text2)}
#taskflow-root .tf-tag-who{background:var(--tf-blue-bg);color:var(--tf-blue)}
#taskflow-root .tf-tag-date{background:transparent;border:1px solid var(--tf-border2);color:var(--tf-text3)}
#taskflow-root .tf-tdel{background:transparent;border:none;color:var(--tf-text3);font-size:16px;cursor:pointer;padding:1px 4px;border-radius:4px;opacity:0;transition:opacity .15s;line-height:1;font-family:inherit}
#taskflow-root .tf-task-row:hover .tf-tdel{opacity:1}
#taskflow-root .tf-tdel:hover{color:var(--tf-red);background:var(--tf-red-bg)}

/* PROJECTS CARDS */
#taskflow-root .tf-proj-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
#taskflow-root .tf-proj-card{background:var(--tf-surface);border:1px solid var(--tf-border);border-radius:var(--tf-rl);padding:18px;cursor:pointer;transition:border-color .15s}
#taskflow-root .tf-proj-card:hover{border-color:var(--tf-border2)}
#taskflow-root .tf-pc-top{display:flex;align-items:center;gap:9px;margin-bottom:12px}
#taskflow-root .tf-pc-dot{width:11px;height:11px;border-radius:50%;flex-shrink:0}
#taskflow-root .tf-pc-name{font-family:'Syne',sans-serif;font-size:14px;font-weight:600;color:var(--tf-text)}
#taskflow-root .tf-pc-cnt{margin-left:auto;font-size:12px;color:var(--tf-text3)}
#taskflow-root .tf-pc-bar{height:4px;background:var(--tf-surface2);border-radius:99px;margin-bottom:8px;overflow:hidden}
#taskflow-root .tf-pc-fill{height:100%;border-radius:99px;transition:width .4s}
#taskflow-root .tf-pc-meta{display:flex;justify-content:space-between;font-size:11px;color:var(--tf-text3);margin-bottom:12px}
#taskflow-root .tf-pc-preview{border-top:1px solid var(--tf-border);padding-top:10px}
#taskflow-root .tf-pc-task{font-size:12px;color:var(--tf-text2);padding:3px 0;display:flex;align-items:center;gap:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#taskflow-root .tf-pc-task.done{color:var(--tf-text3);text-decoration:line-through}
#taskflow-root .tf-mini-chk{width:9px;height:9px;border-radius:2px;flex-shrink:0;border:1px solid var(--tf-border2)}
#taskflow-root .tf-mini-chk.on{background:var(--tf-green);border-color:var(--tf-green)}

/* EMPTY / DATE GROUP */
#taskflow-root .tf-empty{text-align:center;padding:50px 20px;color:var(--tf-text3)}
#taskflow-root .tf-empty .ei{font-size:36px;margin-bottom:10px;opacity:.4}
#taskflow-root .tf-empty .et{font-size:13px;line-height:1.6}
#taskflow-root .tf-date-group{margin-bottom:20px}
#taskflow-root .tf-date-lbl{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--tf-text3);margin-bottom:8px;padding-bottom:7px;border-bottom:1px solid var(--tf-border)}

/* MODAL */
#taskflow-root .tf-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:9999;display:flex;align-items:center;justify-content:center}
#taskflow-root .tf-modal{background:var(--tf-surface);border:1px solid var(--tf-border2);border-radius:var(--tf-rl);padding:28px;width:440px;max-width:95vw}
#taskflow-root .tf-modal h3{font-family:'Syne',sans-serif;font-size:20px;font-weight:700;color:var(--tf-text);margin-bottom:6px}
#taskflow-root .tf-modal p{font-size:13px;color:var(--tf-text2);margin-bottom:18px;line-height:1.6}
#taskflow-root .tf-modal label{font-size:12px;color:var(--tf-text2);font-weight:500;display:block;margin-bottom:5px}
#taskflow-root .tf-modal input{width:100%;background:var(--tf-surface2);border:1px solid var(--tf-border);border-radius:var(--tf-rs);padding:10px 13px;color:var(--tf-text);font-family:'Instrument Sans',sans-serif;font-size:14px;outline:none;margin-bottom:12px;transition:border-color .15s}
#taskflow-root .tf-modal input:focus{border-color:var(--tf-border2)}
#taskflow-root .tf-link{font-size:12px;color:var(--tf-blue);text-decoration:none;display:block;margin-bottom:18px}
#taskflow-root .tf-link:hover{text-decoration:underline}
#taskflow-root .tf-modal-actions{display:flex;gap:8px;justify-content:flex-end}

/* TOAST */
#taskflow-root .tf-toast{position:fixed;bottom:22px;right:22px;background:var(--tf-text);color:var(--tf-bg);font-size:13px;font-family:'Instrument Sans',sans-serif;padding:9px 16px;border-radius:var(--tf-rs);z-index:99999;opacity:0;transform:translateY(6px);transition:all .25s;pointer-events:none}
#taskflow-root .tf-toast.show{opacity:1;transform:translateY(0)}

/* RESPONSIVE */
@media(max-width:680px){
  #taskflow-root .tf-layout{flex-direction:column}
  #taskflow-root .tf-sidebar{width:100%;flex-direction:row;flex-wrap:wrap}
  #taskflow-root .tf-sb-section{flex:1}
  #taskflow-root .tf-stats-grid{grid-template-columns:1fr 1fr}
  #taskflow-root .tf-content{padding:14px}
  #taskflow-root .tf-topbar{padding:12px 14px}
}