@import url('/static/css/theme.css');

/* ── Design tokens ── */
:root {
  --nav-w:       240px;
  --filter-w:    280px;
  --detail-w:    340px;
  --r-card:      12px;
  --r-btn:       8px;
  --r-chip:      6px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text1);height:100vh;overflow:hidden;display:flex}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}

/* ── Sidebar ── */
#nav{width:var(--nav-w);min-width:var(--nav-w);height:100vh;background:var(--card);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}
#nav-logo{padding:20px 16px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.logo-mark{width:32px;height:32px;background:linear-gradient(135deg,var(--purple),var(--blue));border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;color:#fff;flex-shrink:0}
.logo-word{font-size:18px;font-weight:700;color:var(--text1);letter-spacing:-.3px}
#nav-items{flex:1;padding:12px 0;display:flex;flex-direction:column;gap:2px}
.nav-item{display:flex;align-items:center;gap:12px;padding:0 16px;height:44px;cursor:pointer;color:var(--text2);font-size:14px;font-weight:500;border-left:3px solid transparent;transition:background .12s,color .12s;user-select:none}
.nav-item:hover{background:var(--surface);color:var(--text1)}
.nav-item.active{border-left-color:var(--purple);background:var(--surface);color:var(--text1)}
.nav-item svg{width:18px;height:18px;flex-shrink:0}
#nav-user{padding:14px 16px;border-top:1px solid var(--border);display:flex;align-items:center;gap:10px}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--purple-dim);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.user-name{font-size:13px;font-weight:600;color:var(--text1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-email{font-size:11px;color:var(--text3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ── Main ── */
#main{flex:1;height:100vh;overflow:hidden;position:relative}
.screen{display:none;width:100%;height:100%}
.screen.active{display:flex}

/* ── Auth / Landing ── */
#screen-auth{background:var(--bg);width:100%;height:100vh;position:fixed;inset:0;z-index:100}
.auth-hero{flex:1;display:flex;flex-direction:column;justify-content:center;padding:60px 72px;position:relative;overflow:hidden}
.auth-panel{width:420px;min-width:420px;background:var(--card);border-left:1px solid var(--border);display:flex;flex-direction:column;justify-content:center;padding:48px 44px;overflow-y:auto}
.auth-feat{display:flex;align-items:flex-start;gap:14px;margin-bottom:24px}
.auth-feat-icon{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:17px}
.auth-label{font-size:12px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.8px;margin-bottom:6px}
.auth-input{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-btn);color:var(--text1);font-size:14px;padding:10px 12px;outline:none;transition:border-color .15s;font-family:monospace;box-sizing:border-box}
.auth-input:focus{border-color:var(--purple)}
.auth-error{font-size:12px;color:var(--red);margin-top:6px;min-height:16px}
.btn-primary{width:100%;background:var(--purple);color:#fff;border:none;border-radius:var(--r-btn);font-size:14px;font-weight:600;padding:11px;cursor:pointer;margin-top:20px;transition:opacity .15s}
.btn-primary:hover{opacity:.88}
.btn-primary:disabled{opacity:.4;cursor:default}
.ob-entry-row{display:flex;align-items:stretch;gap:8px;margin-bottom:12px}
.ob-entry-row .auth-input{flex:1;min-width:0;margin-bottom:0}
.ob-entry-row .btn-primary{width:auto;min-width:72px;flex:0 0 auto;margin-top:0;padding:10px 16px}

/* ── Graph screen ── */
#screen-graph{flex-direction:row;overflow:hidden}
#filter-panel{width:var(--filter-w);min-width:var(--filter-w);height:100%;background:var(--card);border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}
.filter-section{padding:14px 16px;border-bottom:1px solid var(--border)}
.filter-title{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.7px;margin-bottom:10px}
.search-input{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-btn);color:var(--text1);font-size:13px;padding:8px 10px;outline:none;transition:border-color .15s}
.search-input:focus{border-color:var(--purple)}
.search-input::placeholder{color:var(--text3)}
.view-toggle{display:flex;background:var(--surface);border-radius:var(--r-btn);padding:3px;gap:3px}
.vtbtn{flex:1;padding:6px;border:none;border-radius:6px;background:transparent;color:var(--text2);font-size:12px;font-weight:500;cursor:pointer;transition:background .12s,color .12s}
.vtbtn.active{background:var(--card);color:var(--text1)}
.edge-row{display:flex;align-items:center;justify-content:space-between;padding:6px 0}
.edge-label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text2)}
.edge-dot{width:10px;height:10px;border-radius:50%}
.tog{width:34px;height:18px;border-radius:9px;background:var(--surface);border:1px solid var(--border);cursor:pointer;position:relative;transition:background .2s;flex-shrink:0}
.tog.on{background:var(--purple);border-color:var(--purple)}
.tog-k{position:absolute;top:2px;left:2px;width:12px;height:12px;border-radius:50%;background:#fff;transition:transform .2s}
.tog.on .tog-k{transform:translateX(16px)}
.range-sl{width:100%;accent-color:var(--purple)}
.overlay-btn{flex:1;padding:7px 10px;border-radius:var(--r-btn);border:1px solid var(--border);background:transparent;color:var(--text3);font-size:12px;font-weight:500;cursor:pointer;transition:all .15s;display:flex;align-items:center;justify-content:center;gap:5px}
.overlay-btn:hover{background:var(--surface)}
.overlay-btn.active{background:rgba(53,107,70,.1);border-color:var(--color-success);color:var(--color-success)}
.overlay-btn.active-amber{background:rgba(132,96,30,.1);border-color:var(--amber);color:var(--amber)}
.edge-count{font-size:11px;font-weight:600;color:var(--text2);background:var(--surface);border-radius:4px;padding:1px 6px;min-width:20px;text-align:center}
.graph-stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.graph-stat{background:var(--surface);border-radius:var(--r-chip);padding:10px 12px}
.graph-stat-val{font-size:20px;font-weight:700;color:var(--text1)}
.graph-stat-lbl{font-size:10px;color:var(--text3);margin-top:2px}
#graph-wrap{flex:1;position:relative;overflow:hidden;background:var(--bg)}
#graph-svg{width:100%;height:100%}
#temporal-bar{position:absolute;bottom:0;left:0;right:0;background:rgba(246,245,239,.95);border-top:1px solid var(--border);padding:8px 16px 12px;display:flex;align-items:center;gap:10px}
.year-lbl{font-size:12px;font-weight:600;color:var(--purple);min-width:72px;text-align:right;white-space:nowrap}
.tl-chip{padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text2);transition:all .12s;white-space:nowrap}
.tl-chip:hover{border-color:var(--purple);color:var(--text1)}
.tl-chip.active{background:var(--purple);border-color:var(--purple);color:#fff}
.tl-chip.month{font-weight:500;font-size:10px}
.play-btn{width:32px;height:32px;border-radius:50%;background:var(--purple);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:12px}
#gap-banner{position:absolute;top:12px;left:50%;transform:translateX(-50%);background:rgba(132,96,30,.15);border:1px solid var(--amber);border-radius:var(--r-btn);padding:7px 16px;font-size:12px;font-weight:600;color:var(--amber);display:none;white-space:nowrap;pointer-events:none}
#detail-panel{width:0;min-width:0;height:100%;background:var(--card);border-left:1px solid var(--border);overflow-y:auto;overflow-x:hidden;transition:width .25s,min-width .25s;flex-shrink:0}
#detail-panel.open{width:var(--detail-w);min-width:var(--detail-w)}
.detail-inner{padding:20px;min-width:var(--detail-w)}
.det-close{float:right;background:none;border:none;color:var(--text3);cursor:pointer;font-size:18px}
.det-close:hover{color:var(--text1)}
.score-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:var(--r-chip);font-size:11px;font-weight:700;letter-spacing:.5px;margin-bottom:12px}
.score-badge.HIGH{background:rgba(53,107,70,.15);color:var(--green)}
.score-badge.MEDIUM{background:rgba(66,105,103,.15);color:var(--blue)}
.score-badge.LOW{background:rgba(110,118,129,.15);color:var(--text3)}
.det-title{font-size:15px;font-weight:700;color:var(--text1);line-height:1.4;margin-bottom:7px}
.det-meta{font-size:12px;color:var(--text3);margin-bottom:12px}
.det-abstract{font-size:13px;color:var(--text2);line-height:1.6;margin-bottom:14px}
.sec-lbl{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.7px;margin-bottom:7px}
.chip-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.chip{padding:3px 8px;border-radius:var(--r-chip);font-size:11px;font-weight:500}
.chip-c{background:rgba(37,75,53,.15);color:var(--color-primary);cursor:pointer}
.chip-c:hover{background:rgba(37,75,53,.3)}
.sbar-row{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.sbar-lbl{font-size:11px;color:var(--text3);width:110px;flex-shrink:0}
.sbar-track{flex:1;height:4px;background:var(--surface);border-radius:2px;overflow:hidden}
.sbar-fill{height:100%;border-radius:2px;background:var(--purple)}
.sbar-val{font-size:11px;color:var(--text2);width:28px;text-align:right}
.det-actions{display:flex;gap:10px;margin-top:14px}
.btn-save{flex:1;padding:9px;border-radius:var(--r-btn);border:none;cursor:pointer;font-size:13px;font-weight:600;background:var(--green);color:#fff;transition:opacity .15s}
.btn-save:hover{opacity:.85}
.btn-save:disabled{opacity:.5}
.btn-pass{flex:1;padding:9px;border-radius:var(--r-btn);border:1px solid var(--border);cursor:pointer;font-size:13px;font-weight:600;background:var(--surface);color:var(--text1);transition:background .15s}
.btn-pass:hover{background:var(--border)}
.open-link{display:block;text-align:center;color:var(--blue);font-size:12px;text-decoration:none;margin-top:10px}
.open-link:hover{text-decoration:underline}

/* ── Collections ── */
#screen-collections{flex-direction:row;overflow:hidden}
#coll-list-panel{width:300px;min-width:300px;height:100%;background:var(--card);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}
.panel-hdr{padding:18px 16px 10px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.panel-ttl{font-size:16px;font-weight:700;color:var(--text1)}
.icon-btn{width:30px;height:30px;border-radius:var(--r-btn);background:var(--purple);border:none;color:#fff;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;transition:opacity .15s}
.icon-btn:hover{opacity:.85}
.coll-item{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;cursor:pointer;border-left:3px solid transparent;transition:background .1s}
.coll-item:hover{background:var(--surface)}
.coll-item.active{border-left-color:var(--purple);background:var(--surface)}
.coll-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;margin-top:3px}
.coll-nm{font-size:14px;font-weight:600;color:var(--text1);line-height:1.3}
.coll-ct{font-size:11px;color:var(--text3);margin-top:1px}
.coll-time{font-size:11px;color:var(--text3)}
#coll-detail{flex:1;height:100%;overflow:hidden;display:flex;flex-direction:column}
.coll-det-hdr{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--border);gap:12px;flex-shrink:0}
.coll-det-ttl-wrap{display:flex;align-items:center;gap:10px}
.coll-det-ttl{font-size:18px;font-weight:700;color:var(--text1)}
.coll-count-badge{font-size:12px;color:var(--text3);background:var(--surface);border-radius:20px;padding:2px 10px;font-weight:500}
.btn-gen{display:flex;align-items:center;gap:7px;padding:9px 16px;border-radius:var(--r-btn);border:none;cursor:pointer;font-size:13px;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--purple),var(--blue));transition:opacity .15s;white-space:nowrap;flex-shrink:0}
.btn-gen:hover{opacity:.88}
.btn-gen:disabled{opacity:.4;cursor:default}
.coll-det-body{flex:1;overflow-y:auto;padding:20px 24px}
.paper-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px}
.pgcard{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:14px;transition:border-color .15s}
.pgcard:hover{border-color:var(--purple)}
.pgcard-score-badge{display:inline-block;font-size:11px;font-weight:700;color:var(--color-primary);background:rgba(37,75,53,.15);border-radius:4px;padding:2px 7px;margin-bottom:8px}
.pgcard-title{font-size:13px;font-weight:600;color:var(--text1);line-height:1.4;margin-bottom:6px}
.pgcard-authors{font-size:11px;color:var(--text3);margin-bottom:7px}
.pgcard-tags{display:flex;gap:5px;flex-wrap:wrap}
.pgcard-tag{font-size:10px;color:var(--text3);background:var(--card);border-radius:4px;padding:2px 6px}

/* ── Review Builder ── */
#screen-review{flex-direction:column;overflow-y:auto}
.rev-body{flex:1;padding:36px 24px 24px}
.rev-inner{max-width:680px;margin:0 auto}
.rev-tabs{display:flex;background:var(--surface);border-radius:var(--r-btn);padding:3px;gap:3px;margin-bottom:28px}
.rtab{padding:8px 20px;border:none;border-radius:6px;background:transparent;color:var(--text2);font-size:13px;font-weight:500;cursor:pointer;transition:background .12s,color .12s;display:flex;align-items:center;gap:6px}
.rtab.active{background:var(--purple);color:#fff}
.rev-coll-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:18px;margin-bottom:22px}
.rev-coll-label{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.7px;margin-bottom:10px}
.rev-coll-row{display:flex;gap:10px;align-items:center;margin-bottom:10px}
.select-inp{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-btn);color:var(--text1);font-size:13px;padding:9px 10px;outline:none;flex:1;transition:border-color .15s}
.select-inp:focus{border-color:var(--purple)}
.rev-coll-hint{font-size:12px;color:var(--text3)}
.rev-paper-sel{margin-top:14px;border-top:1px solid var(--border);padding-top:14px}
.rev-paper-sel-hdr{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.rev-paper-sel-lbl{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.7px}
.rev-paper-sel-actions{display:flex;gap:12px}
.rev-paper-sel-action{background:none;border:none;color:var(--purple);font-size:11px;cursor:pointer;padding:0;font-weight:500}
.rev-paper-item{display:flex;align-items:flex-start;gap:9px;padding:6px 0;border-bottom:1px solid var(--border)}
.rev-paper-item:last-child{border-bottom:none}
.rev-paper-item input[type=checkbox]{margin-top:2px;accent-color:var(--purple);flex-shrink:0;cursor:pointer}
.rev-paper-item label{font-size:12px;color:var(--text2);line-height:1.45;cursor:pointer}
.rev-focus-row{margin-top:14px;border-top:1px solid var(--border);padding-top:14px}
.rev-focus-lbl{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.7px;margin-bottom:6px}
.rev-focus-lbl span{font-weight:400;text-transform:none;letter-spacing:0;color:var(--text3);margin-left:3px}
.rev-gen-row{margin-top:16px;display:flex;align-items:center;gap:12px}
.rev-paper-count{font-size:12px;color:var(--text3)}
.skel-line{height:13px;border-radius:7px;margin-bottom:10px;background:linear-gradient(90deg,var(--surface) 25%,var(--border) 50%,var(--surface) 75%);background-size:200% 100%;animation:shimmer 1.4s ease-in-out infinite}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.skel-line.w100{width:100%}.skel-line.w90{width:90%}.skel-line.w75{width:75%}
.rev-result{font-size:14px;line-height:1.8;color:var(--text2);white-space:pre-wrap}
.rev-result h2{font-size:15px;font-weight:700;color:var(--text1);margin:20px 0 7px}
.path-phase{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:18px;margin-bottom:14px}
.ph-hdr{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.ph-num{width:26px;height:26px;border-radius:50%;background:var(--purple);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ph-name{font-size:14px;font-weight:700;color:var(--text1)}
.ph-desc{font-size:11px;color:var(--text3)}
.ph-paper{display:flex;gap:9px;padding:9px 0;border-bottom:1px solid var(--border)}
.ph-paper:last-child{border-bottom:none}
.ph-pnum{width:18px;height:18px;border-radius:50%;background:var(--surface);color:var(--text3);font-size:9px;font-weight:600;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}
.ph-ptitle{font-size:13px;font-weight:600;color:var(--text1);line-height:1.3}
.ph-preason{font-size:11px;color:var(--text3);margin-top:2px}
.copy-btn{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:var(--r-btn);border:1px solid var(--border);background:var(--surface);color:var(--text2);font-size:12px;cursor:pointer;transition:background .12s}
.copy-btn:hover{background:var(--border);color:var(--text1)}

/* ── Settings ── */
#screen-settings{overflow-y:auto;flex-direction:column}
.set-inner{max-width:960px;margin:0 auto;padding:36px 32px;width:100%}
.set-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:28px;align-items:start}
.set-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:22px}
.set-card-ttl{font-size:15px;font-weight:700;color:var(--text1);margin-bottom:3px}
.set-card-sub{font-size:12px;color:var(--text3);margin-bottom:18px}
.set-section-lbl{font-size:10px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.8px;margin-bottom:7px;margin-top:16px}
.set-section-lbl:first-of-type{margin-top:0}
.chip-ed{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:9px}
.chip-e{display:flex;align-items:center;gap:4px;padding:4px 8px;border-radius:var(--r-chip);background:var(--surface);font-size:12px;color:var(--text2)}
.chip-e.primary{background:rgba(66,105,103,.15);color:var(--color-info)}
.chip-e.author{background:rgba(53,107,70,.15);color:var(--color-success)}
.chip-e.exclude{background:rgba(164,61,53,.15);color:var(--color-danger)}
.chip-rm{background:none;border:none;color:inherit;opacity:.6;cursor:pointer;font-size:14px;padding:0;line-height:1}
.chip-rm:hover{opacity:1}
.chip-add-row{display:flex;gap:6px}
.chip-add-inp{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-btn);color:var(--text1);font-size:12px;padding:6px 9px;outline:none}
.chip-add-inp:focus{border-color:var(--purple)}
.chip-add-btn{width:30px;height:30px;border-radius:var(--r-btn);background:var(--surface);border:1px solid var(--border);color:var(--text2);font-size:17px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0}
.chip-add-btn:hover{background:var(--purple);border-color:var(--purple);color:#fff}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:0}
.stat-item{background:var(--surface);border-radius:var(--r-chip);padding:14px}
.stat-icon{font-size:15px;margin-bottom:6px}
.stat-val{font-size:22px;font-weight:700;color:var(--text1)}
.stat-lbl{font-size:11px;color:var(--text3);margin-top:2px}
.pipe-row{display:flex;align-items:center;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--border);font-size:13px}
.pipe-row:last-child{border-bottom:none}
.pipe-key{color:var(--text2)}
.pipe-val{color:var(--text1);font-family:monospace;font-size:12px}
.user-row{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:16px 20px;display:flex;align-items:center;gap:12px;margin-top:0}
.btn-signout{padding:7px 14px;border-radius:var(--r-btn);border:1px solid var(--red);background:transparent;color:var(--red);font-size:12px;font-weight:600;cursor:pointer;margin-left:auto;white-space:nowrap;transition:background .12s;display:flex;align-items:center;gap:5px}
.btn-signout:hover{background:rgba(164,61,53,.1)}

/* ── Tooltip ── */
.tooltip{position:fixed;background:var(--card);border:1px solid var(--border);border-radius:var(--r-chip);padding:7px 10px;font-size:12px;color:var(--text1);pointer-events:none;opacity:0;transition:opacity .15s;max-width:220px;z-index:1000;line-height:1.4}
.tooltip.vis{opacity:1}

/* ── SHEAF wordmark with canonical Pull artwork ── */
.motif-wordmark{font-weight:900;letter-spacing:-.5px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--text1);display:inline-flex;align-items:center;gap:.3em}
.motif-wordmark b{color:var(--purple-lt);font-weight:900}   /* mark + period bracket the word */
.motif-wordmark .mk{width:1em;height:1em;color:var(--purple-lt);flex-shrink:0}

/* ── Loading ── */
#loader{position:fixed;inset:0;background:var(--bg);display:flex;align-items:center;justify-content:center;z-index:999;transition:opacity .3s}
#loader.gone{opacity:0;pointer-events:none}