:root{--bg: #0c0f14;--surface: #151b26;--surface-raised: #1c2433;--border: #2a3548;--border-subtle: #222b3a;--text: #e8edf4;--muted: #8b9cb3;--link: #a8b4c4;--link-hover: #e8edf4;--emphasis: #c8d0dc;--active-bg: #2a3548;--focus-ring: #5a6578;--success: #3ecf8e;--warn: #e8b84a;--danger: #e85d6a;--radius: 8px;--radius-sm: 6px;font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}.layout{max-width:960px;margin:0 auto;padding:0 1.5rem 1rem}.app-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.25rem 0;margin-bottom:.5rem;border-bottom:1px solid var(--border)}.app-header__brand{font-size:1.125rem;font-weight:600;color:var(--text);text-decoration:none}.app-header__brand:hover{text-decoration:none;color:var(--link-hover)}.app-header__right{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.app-header__user{font-size:.875rem;color:var(--muted);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.subject-workspace-header{margin-bottom:1.25rem}.subject-workspace-header .page-header{margin-bottom:.75rem}.subject-workspace-header .subject-tabs{margin-bottom:0}.subject-tabs{display:flex;gap:.25rem;margin-bottom:1.5rem;padding:.25rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:fit-content}.subject-tabs a{padding:.4rem .85rem;border-radius:var(--radius-sm);color:var(--muted);text-decoration:none;font-size:.875rem;font-weight:500}.subject-tabs a:hover{color:var(--text);background:var(--surface-raised);text-decoration:none}.subject-tabs a.active{color:var(--text);background:var(--active-bg)}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1.5rem;margin-bottom:1.25rem;flex-wrap:wrap}.page-header__back{display:inline-block;font-size:.8125rem;color:var(--muted);margin-bottom:.35rem;text-decoration:none}.page-header__back:hover{color:var(--link-hover)}.page-header__title{margin:0;font-size:1.5rem;font-weight:600;letter-spacing:-.02em}.page-header__desc{margin:.35rem 0 0;font-size:.9375rem;color:var(--muted);max-width:42ch}.page-header__actions{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.page-content{margin-top:0}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.panel+.panel{margin-top:1rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem}.card h2{margin:0 0 .75rem;font-size:.75rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.subject-list{list-style:none;margin:0;padding:0}.subject-list__head{display:grid;grid-template-columns:minmax(8rem,1fr) auto 2.25rem;gap:1rem;align-items:center;padding:.65rem 1.25rem;font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--surface-raised);border-bottom:1px solid var(--border)}.subject-list__head-workspace{display:flex;justify-content:flex-end;align-items:center}.subject-list__sort{display:inline-flex;align-items:center;gap:.35rem;padding:0;border:none;background:none;font:inherit;font-size:inherit;font-weight:inherit;letter-spacing:inherit;text-transform:inherit;color:var(--muted);cursor:pointer;text-align:left}.subject-list__sort:hover{color:var(--text)}.subject-list__sort-icon{font-size:.75rem;opacity:.7}.subject-list__head-actions{width:2.25rem}.subject-filter{position:relative}.subject-filter__trigger{display:flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;padding:0;border:1px solid var(--border);border-radius:var(--radius-sm);background:transparent;color:var(--muted);cursor:pointer}.subject-filter__trigger:hover{color:var(--text);background:var(--bg);border-color:var(--border-subtle)}.subject-filter__trigger--active{color:var(--text);border-color:var(--focus-ring);background:var(--active-bg)}.subject-filter__icon{display:block}.subject-filter__dropdown{position:absolute;top:calc(100% + .35rem);right:0;z-index:20;min-width:10rem;max-height:14rem;overflow-y:auto;padding:.35rem 0;background:var(--surface-raised);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:0 8px 24px #00000059}.subject-filter__option{display:block;width:100%;padding:.5rem .85rem;border:none;background:none;color:var(--text);font-size:.875rem;text-align:left;cursor:pointer}.subject-filter__option:hover{background:var(--border-subtle)}.subject-filter__option--selected{color:var(--text);background:var(--active-bg)}.subject-filter__empty{margin:0;padding:.5rem .85rem;font-size:.8125rem}.subject-row{display:grid;grid-template-columns:minmax(8rem,1fr) auto 2.25rem;gap:1rem;align-items:center;padding:1rem 1.25rem;border-bottom:1px solid var(--border-subtle)}.subject-row:last-child{border-bottom:none}.subject-row__name{font-size:1rem;font-weight:600;color:var(--text);text-decoration:none}.subject-row__name:hover{color:var(--link-hover);text-decoration:none}.subject-row__links{display:flex;flex-wrap:wrap;gap:.35rem;justify-content:flex-end}.subject-row__menu{display:flex;justify-content:flex-end}.subject-menu{position:relative}.subject-menu__trigger{display:flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;padding:0;border:1px solid var(--border);border-radius:var(--radius-sm);background:transparent;color:var(--muted);font-size:1.125rem;line-height:1;cursor:pointer}.subject-menu__trigger:hover{color:var(--text);background:var(--surface-raised);border-color:var(--border)}.subject-menu__dropdown{position:absolute;top:calc(100% + .35rem);right:0;z-index:20;min-width:11rem;padding:.35rem 0;background:var(--surface-raised);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:0 8px 24px #00000059}.subject-menu__dropdown--portal{position:fixed;top:0;left:0;transform:translate(-100%);z-index:1000}.subject-menu__item{display:block;width:100%;padding:.5rem .85rem;border:none;background:none;color:var(--text);font-size:.875rem;text-align:left;text-decoration:none;cursor:pointer}.subject-menu__item:hover{background:var(--border-subtle);text-decoration:none;color:var(--text)}.subject-menu__item--danger{color:var(--danger)}.subject-menu__item--danger:hover{background:#e85d6a1a;color:var(--danger)}.empty-state{padding:2.5rem 1.25rem;text-align:center}.empty-state__filter{display:flex;justify-content:flex-end;margin-bottom:1rem}.empty-state p{margin:0 0 1rem;color:var(--muted)}.form-panel{max-width:28rem}.form-panel__body{padding:1.25rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius) var(--radius) 0 0}.form-panel__footer{display:flex;align-items:center;justify-content:flex-end;gap:.5rem;padding:.85rem 1.25rem;background:var(--surface-raised);border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius) var(--radius)}.form-panel__error{padding:0 1.25rem;margin:.75rem 0 0}.field{display:flex;flex-direction:column;gap:.35rem}.field label{font-size:.8125rem;font-weight:500;color:var(--muted)}.field-hint{font-size:.8125rem;color:var(--muted);margin:.35rem 0 0}input,textarea,select,button{font:inherit}input,select{width:100%;padding:.55rem .75rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--focus-ring)}textarea{width:100%;min-height:160px;padding:.75rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);resize:vertical}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.35rem;padding:.5rem 1rem;font-size:.875rem;font-weight:500;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap}.btn:hover{filter:brightness(1.08);text-decoration:none}.btn-primary{background:var(--active-bg);color:var(--text);border-color:var(--border)}.btn-primary:hover{background:var(--surface-raised);border-color:var(--focus-ring)}.btn-secondary{background:transparent;color:var(--text);border-color:var(--border)}.btn-secondary:hover{background:var(--surface-raised);color:var(--text)}.btn-danger{background:transparent;color:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:#e85d6a1f;color:var(--danger)}.btn-sm{padding:.35rem .65rem;font-size:.8125rem}.btn:disabled{opacity:.55;cursor:not-allowed}button:not(.btn){padding:.5rem 1rem;background:var(--active-bg);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer}button.secondary:not(.btn){background:transparent;border:1px solid var(--border);color:var(--text)}button.danger:not(.btn){background:var(--danger)}.form-row{display:flex;gap:.75rem;margin-bottom:.75rem;flex-wrap:wrap}.form-row label{display:flex;flex-direction:column;gap:.25rem;font-size:.85rem;color:var(--muted)}.list{list-style:none;padding:0;margin:0}.list li{padding:.75rem;border-bottom:1px solid var(--border)}.list li:last-child{border-bottom:none}.badge{display:inline-block;font-size:.7rem;padding:.15rem .5rem;border-radius:4px;background:var(--border);margin-left:.5rem}.badge.ready{background:var(--warn);color:#000}.badge.committed{background:var(--success);color:#000}.review-toolbar{align-items:center;margin-top:.75rem}.review-card{transition:border-color .15s ease}.review-card--approved{border-color:var(--success)}.review-card--rejected{border-color:var(--danger);opacity:.75}.review-card__header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:.75rem;flex-wrap:wrap}.review-card__actions{display:flex;gap:.35rem}.review-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem}.review-badge-rejected{background:var(--danger);color:#fff}@media(max-width:720px){.review-fields{grid-template-columns:1fr}}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.login-panel{max-width:22rem;margin:3rem auto;padding:1.5rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.login-panel h2{margin:0 0 1.25rem;font-size:1.25rem;font-weight:600}.chat-page{display:flex;flex-direction:column;height:calc(100dvh - 5rem);max-height:calc(100dvh - 5rem)}.chat-page .subject-workspace-header{flex-shrink:0;margin-bottom:.75rem}.chat-layout{flex:1;min-height:0;display:flex;flex-direction:column;gap:.75rem}.chat-output-panel{flex:1;min-height:0;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.chat-panel-header{flex-shrink:0;padding:.5rem 1rem;font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--surface-raised);border-bottom:1px solid var(--border-subtle)}.chat-messages{flex:1;overflow-y:auto;padding:1rem;min-height:0}.chat-msg{padding:.85rem 1rem;margin-bottom:.65rem;border-radius:var(--radius-sm)}.chat-msg--user{background:var(--surface-raised);border:1px solid var(--border-subtle);margin-left:2rem}.chat-msg--assistant{background:var(--bg);border:1px solid var(--border);margin-right:2rem}.chat-msg__label{font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:.35rem}.chat-msg__typing{margin:0;font-size:.9375rem}.chat-msg__body{white-space:pre-wrap;line-height:1.55;font-size:.9375rem}.chat-input-panel{flex-shrink:0;height:9.5rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;overflow:hidden}.chat-input-panel .chat-input-form{flex:1;min-height:0;padding:.75rem 1rem}.chat-input-form{display:flex;flex-direction:column;gap:.5rem}.chat-input-field{flex:1;min-height:0;width:100%;padding:.65rem .75rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font:inherit;font-size:.9375rem;line-height:1.45;resize:none}.chat-input-field:focus{outline:none;border-color:var(--focus-ring)}.chat-input-field:disabled{opacity:.65}.chat-input-footer{display:flex;align-items:center;gap:.75rem;flex-shrink:0}.chat-input-hint{flex:1;font-size:.75rem}.chat-input-error{margin:0;font-size:.8125rem;flex:1}.citation-item{margin-top:.35rem;font-size:.8125rem;color:var(--muted)}.citations{font-size:.85rem;color:var(--muted);margin-top:.5rem}@media(max-width:720px){.chat-page{height:calc(100dvh - 4rem);max-height:calc(100dvh - 4rem)}.chat-msg--user{margin-left:0}.chat-msg--assistant{margin-right:0}.chat-input-panel{height:8.5rem}.chat-input-hint{display:none}}.error{color:var(--danger);font-size:.875rem}.muted{color:var(--muted);font-size:.9rem}.loading-block{padding:2rem;text-align:center;color:var(--muted)}.collapsible{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);overflow:hidden}button.collapsible__toggle{display:flex;align-items:center;gap:.5rem;width:100%;padding:.65rem .85rem;background:transparent;border:none;color:var(--muted);font-size:.8125rem;font-weight:400;text-align:left;cursor:pointer;transition:color .15s ease,background .15s ease}button.collapsible__toggle:hover{color:var(--text);background:var(--surface-raised)}.collapsible__chevron{color:var(--border);font-size:.6875rem;width:1rem;flex-shrink:0;opacity:.85}button.collapsible__toggle:hover .collapsible__chevron{color:var(--muted)}.collapsible__body{padding:1rem .85rem .25rem;border-top:1px solid var(--border-subtle)}.ingest-guide-card{padding:0;overflow:hidden}.ingest-guide-card .collapsible{border:none;border-radius:0}.guide-sections{display:flex;flex-direction:column;gap:1.25rem}.guide-section h3{margin:0 0 .4rem;font-size:.8125rem;font-weight:600;color:var(--text);text-transform:uppercase;letter-spacing:.04em}.guide-section p{margin:0 0 .5rem}.guide-section ul{margin:0;padding-left:1.25rem;font-size:.875rem;color:var(--text)}.guide-section li{margin-bottom:.4rem}.guide-section li:last-child{margin-bottom:0}.guide-dl{margin:0;display:flex;flex-direction:column;gap:.6rem;font-size:.875rem}.guide-dl dt{font-weight:600;color:var(--link-hover);margin:0}.guide-dl dd{margin:.15rem 0 0;color:var(--muted)}@media(max-width:720px){.subject-list__head{display:none}.subject-row{grid-template-columns:1fr auto;gap:.75rem}.subject-row__links{grid-column:1 / -1;justify-content:flex-start}.subject-row__menu{grid-column:2;grid-row:1;align-self:start}.page-header{flex-direction:column}}
