/* Plan tab, import dialog, timetable and assistant. Uses the base page's variables and look. */
:root{--on-brand:#fff;
  --e1:#2a6fc4;--e1b:#dce9fb;--e2:#d9632b;--e2b:#fde5d4;--e3:#1c8c5c;--e3b:#d8f0e3;--e4:#7a4bc0;--e4b:#e9e0f7;
  --e5:#b98a00;--e5b:#fbefc9;--e6:#17828c;--e6b:#d3eef0;--e7:#c23a5a;--e7b:#f9dde3;--e8:#6b7a2c;--e8b:#e4e6d4}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--on-brand:#1a0d0d;
  --e1:#6aa6ee;--e1b:#1b2d46;--e2:#f0894f;--e2b:#432a1a;--e3:#43c58d;--e3b:#173628;--e4:#a98be0;--e4b:#2e2446;
  --e5:#e0b42e;--e5b:#3b3213;--e6:#4cc0cc;--e6b:#14363a;--e7:#ee6f8c;--e7b:#43202b;--e8:#a7bb55;--e8b:#2d3216}}
:root[data-theme="dark"]{--on-brand:#1a0d0d;
  --e1:#6aa6ee;--e1b:#1b2d46;--e2:#f0894f;--e2b:#432a1a;--e3:#43c58d;--e3b:#173628;--e4:#a98be0;--e4b:#2e2446;
  --e5:#e0b42e;--e5b:#3b3213;--e6:#4cc0cc;--e6b:#14363a;--e7:#ee6f8c;--e7b:#43202b;--e8:#a7bb55;--e8b:#2d3216}

.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--surface);padding:8px 12px;z-index:100}
.skip:focus{left:8px}
.warn{color:var(--warn)}
.legend i.dash{background:none;border-top:2px dashed var(--ink);opacity:.55;height:0;vertical-align:3px}
.legend i.dot{border-radius:50%}
.legend i.ring{border:2px solid var(--series);border-radius:50%;background:none}
.hbtns .btn{padding:6px 12px}

/* Shared form bits */
#v-plan input:not([type=checkbox]),#v-plan textarea,#v-plan select,#importDlg textarea,.agent textarea,.add input{background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:9px 11px;font-size:14px;min-width:0}
#v-plan select{font-size:13.5px;padding:8px 10px}
#importDlg textarea{width:100%;resize:vertical;font-family:ui-monospace,Consolas,monospace;font-size:12.5px}
.field{display:flex;flex-direction:column;gap:5px;font-size:12.5px;font-weight:600;color:var(--ink-2);min-width:0}
.field-row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.field.grow{flex:1;min-width:220px}
.label{font-size:12px;font-weight:600;color:var(--ink-3);margin:0 0 6px}

/* Plan tab */
.page-head{margin:0 0 14px}
.page-head h1{font-size:24px;line-height:1.15}
.step{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 20px 20px;margin-bottom:16px}
.step>h2{font-size:19px;display:flex;align-items:center;gap:10px;margin:0 0 14px;font-family:"Source Serif 4","Noto Serif SC",Georgia,serif;font-weight:600}
.step .n{font-family:"Public Sans",sans-serif;font-size:12px;font-weight:700;color:var(--brand);border:1.5px solid var(--brand);border-radius:50%;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;flex:none}
.line{margin:10px 0 0;min-height:22px;color:var(--ink-2);font-size:13.5px}
.prog-sum{margin:16px 0 4px;display:flex;flex-wrap:wrap;gap:6px 16px;align-items:baseline;font-size:14px}
.prog-sum a{font-size:13px}
.meter{display:block;position:relative;height:6px;background:var(--line-2);border-radius:3px;overflow:hidden}
.meter.wide{flex:1 0 100%;height:8px;margin-top:6px;border-radius:4px}
.meter b{position:absolute;left:0;top:0;bottom:0;background:var(--ok);display:block}
.meter b.ip{background:color-mix(in srgb,var(--ok) 40%,var(--line-2))}
.reqs{margin-top:10px;border-top:1px solid var(--line-2)}
details.req{border-bottom:1px solid var(--line-2)}
details.req summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:1fr auto 90px;gap:16px;align-items:center;padding:11px 4px}
details.req summary::-webkit-details-marker{display:none}
details.req[open]>summary{border-bottom:1px dashed var(--line-2)}
details.req.met .req-title{color:var(--ink-3)}
.req-title{font-weight:600;font-size:14.5px}
.req-prog{font-size:13px;color:var(--ink-2);white-space:nowrap}
.req-note{font-size:13px;margin:8px 4px 2px}
.req-items{list-style:none;margin:6px 0 12px;padding:0}
.req-item{display:flex;gap:10px;padding:6px 4px;align-items:flex-start;font-size:14px}
.req-item .mark{width:18px;text-align:center;flex:none;color:var(--ink-3)}
.req-item.done .mark{color:var(--ok)}
.req-item.done .req-opts{color:var(--ink-3)}
.req-item.ip .mark{color:var(--warn)}
.req-opts{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline;min-width:0}
.req-opt{display:inline-flex;gap:8px;align-items:baseline;flex-wrap:wrap}
.or{color:var(--ink-3);font-size:12.5px;font-style:italic}
.mini-btn{width:22px;height:22px;border:1px solid var(--line);background:var(--surface);border-radius:6px;cursor:pointer;font-weight:700;line-height:1;padding:0;align-self:center}
.mini-btn:hover{background:var(--hover)}
.mini-btn.on{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.tag{font-size:11.5px;font-weight:600;color:var(--warn);border:1px solid color-mix(in srgb,var(--warn) 55%,transparent);border-radius:4px;padding:0 6px;white-space:nowrap}
.musts{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.musts .label{flex:1 0 100%;margin:0}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--surface-2);border:1px solid var(--line);border-left:4px solid var(--ec,var(--e1));border-radius:8px;padding:4px 4px 4px 10px;font-size:13.5px}
.pill.sm{border-left-width:1px;padding:2px 4px 2px 8px;font-size:12.5px}
.pill button{background:none;border:0;cursor:pointer;font-size:16px;line-height:1;color:var(--ink-3);padding:2px 6px}
.pill button:hover{color:var(--brand)}
.add{position:relative;margin-top:12px;max-width:440px}
.add input{width:100%}
.suggest{position:absolute;left:0;right:0;top:100%;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);z-index:12;max-height:320px;overflow:auto}
.suggest button{display:block;width:100%;text-align:left;border:0;background:none;padding:9px 12px;cursor:pointer;font-size:14px;border-bottom:1px solid var(--line-2)}
.suggest button:hover{background:var(--hover)}
.suggest .pad{display:block;padding:10px 12px}
.fill-row{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:16px 0 4px}
.num-field{display:inline-flex;gap:10px;align-items:center;font-size:13.5px;font-weight:600}
.num-field input{width:70px}
.prefs{margin:18px 0}
.prefs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;align-items:end}
.days{display:flex;gap:6px}
.day-btn{width:36px;height:36px;border:1px solid var(--line);background:var(--surface);border-radius:9px;cursor:pointer;font-weight:700}
.day-btn[aria-pressed="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.prefs-checks{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.btn.big{padding:11px 22px;font-size:14.5px}
.btn.big.primary{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}
.btn.big.primary:hover{filter:brightness(.92);background:var(--brand)}
.res-bar{display:flex;justify-content:space-between;gap:14px;align-items:center;flex-wrap:wrap}
.variants{display:flex;gap:6px;align-items:center}
.var-btn{width:34px;height:34px;border:1px solid var(--line);background:var(--surface);border-radius:9px;cursor:pointer;font-weight:700}
.var-btn[aria-pressed="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.variants .muted{margin-left:10px;font-size:13px}
.res-actions{display:flex;gap:18px}
.res-meta{display:flex;flex-wrap:wrap;gap:4px 20px;margin:12px 0 14px;font-weight:600;font-size:14px}
.reasons{margin:0;padding-left:20px}
.reasons li{margin:6px 0}
.cal{border:1px solid var(--line);border-radius:10px;background:var(--surface);overflow:hidden}
.cal-head,.cal-body{display:grid;grid-template-columns:46px repeat(var(--days),minmax(0,1fr))}
.cal-head span{padding:8px 4px;text-align:center;font-size:12px;font-weight:600;color:var(--ink-3);border-bottom:1px solid var(--line)}
.cal-hours span{display:block;font-size:11.5px;color:var(--ink-3);text-align:right;padding-right:6px;transform:translateY(-8px)}
.cal-col{position:relative;border-left:1px solid var(--line-2);background-image:repeating-linear-gradient(to bottom,transparent 0,transparent 45px,var(--line-2) 45px,var(--line-2) 46px)}
.ev{position:absolute;border-radius:6px;padding:3px 6px;font-size:12px;line-height:1.25;overflow:hidden;border-left:3px solid var(--ec,var(--e1));background:var(--eb,var(--e1b));color:var(--ink);display:flex;flex-direction:column}
.ev b{font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ev span,.ev i{font-style:normal;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:11.5px}
.c1{--ec:var(--e1);--eb:var(--e1b)}.c2{--ec:var(--e2);--eb:var(--e2b)}.c3{--ec:var(--e3);--eb:var(--e3b)}.c4{--ec:var(--e4);--eb:var(--e4b)}
.c5{--ec:var(--e5);--eb:var(--e5b)}.c6{--ec:var(--e6);--eb:var(--e6b)}.c7{--ec:var(--e7);--eb:var(--e7b)}.c8{--ec:var(--e8);--eb:var(--e8b)}
.sw{width:10px;border-radius:3px;background:var(--ec,var(--e1))}
.picks{list-style:none;margin:18px 0 0;padding:0;border-top:1px solid var(--line)}
.pick{display:grid;grid-template-columns:10px minmax(0,1fr) auto;gap:6px 14px;padding:14px 2px;border-bottom:1px solid var(--line-2)}
.pk-main .sec{font-size:13.5px;color:var(--ink-2);margin-top:3px}
.pk-side{display:flex;flex-direction:column;align-items:flex-end;gap:4px;font-size:13px}
.swap{grid-column:2/-1;display:flex;flex-direction:column;gap:6px;margin-top:6px}
.swap-opt{text-align:left;border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:8px 12px;cursor:pointer;font-size:13.5px}
.swap-opt:hover{background:var(--hover)}
.swap-opt.on{border-color:var(--ink)}

/* Import dialog */
#importDlg{width:min(620px,96vw)}
.dlg{overflow:auto;padding:20px 22px;max-height:92vh;display:block}
.dlg>*+*{margin-top:14px}
.dlg-foot{display:flex;justify-content:flex-end}
.draft .chips-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}

/* Assistant (below the drawer so a linked course opens on top) */
.agent{position:fixed;right:0;top:0;bottom:0;width:min(430px,100%);background:var(--surface);border-left:1px solid var(--line);box-shadow:var(--shadow);z-index:18;display:flex;flex-direction:column}
.ag-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line)}
.ag-head h2{font-size:19px;margin:0}
.ag-tools{display:flex;gap:14px;align-items:center}
.ag-log{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:12px}
.ag-empty p{color:var(--ink-2);margin:0 0 12px}
.sug{display:block;width:100%;text-align:left;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px;margin-bottom:8px;cursor:pointer;font-size:14px}
.sug:hover{background:var(--hover)}
.msg{max-width:92%;font-size:14.5px;line-height:1.5}
.msg p{margin:0 0 8px}.msg p:last-child,.msg ul:last-child{margin-bottom:0}
.msg ul{margin:0 0 8px;padding-left:20px}
.msg.user{align-self:flex-end;background:var(--ink);color:var(--surface);padding:8px 12px;border-radius:12px 12px 3px 12px}
.msg.user p{margin:0}
.msg.assistant .tw{margin:6px 0}
.msg.assistant table{font-size:13px;border-collapse:collapse}
.msg.assistant td,.msg.assistant th{border-bottom:1px solid var(--line-2);padding:5px 8px;text-align:left}
.msg code{background:var(--surface-2);padding:0 4px;border-radius:4px;font-size:12.5px}
.msg a.cc{font-weight:600}
.msg.status{color:var(--ink-3);font-style:italic}
.msg.err{color:var(--bad)}
.ag-form{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line);align-items:flex-end}
.ag-form textarea{flex:1;font-family:inherit;font-size:14.5px;resize:none;min-height:40px;max-height:140px}

@media(max-width:640px){
  .step{padding:14px 14px 16px}
  .pick{grid-template-columns:8px minmax(0,1fr)}
  .pk-side{grid-column:2;flex-direction:row;align-items:center;flex-wrap:wrap;gap:6px 14px}
  .swap{grid-column:2}
  details.req summary{grid-template-columns:1fr auto}
  .meter:not(.wide){display:none}
  .cal-head,.cal-body{grid-template-columns:34px repeat(var(--days),minmax(0,1fr))}
  .ev{padding:2px 3px}.ev span,.ev i{display:none}
  .hbtns .btn{padding:6px 10px}
}