/* Logbook: paper, ink, one cobalt accent. Numbers in mono, headings in a book serif. */
:root {
  --paper: #f4f1ea;
  --paper-2: #ebe6da;
  --card: #fbf9f4;
  --ink: #1b1a17;
  --ink-2: #57534a;
  --ink-3: #8a857a;
  --rule: #d6cfbf;
  --accent: #2a4bd7;
  --s-out: #2a4bd7;   /* outdoor cycling */
  --s-in: #c07a00;    /* indoor cycling  */
  --s-run: #8a5cc2;   /* running         */
  --s-oth: #2f8f5b;   /* other           */
  --bad: #b3261e;
  --hl: #e5e9fb;        /* highlighted row */
  --cloud: #eef0fb;     /* the "leaves the machine" lane */
  /* plan compliance, TrainingPeaks bands */
  --c-done: #2f7d4f;
  --c-partial: #9a6a00;
  --c-off: #b4541c;
  --c-missed: #b3261e;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.5 var(--sans); overflow-x: clip; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: 30px; line-height: 1.15; }
h2 { font-size: 17px; }
a { color: var(--accent); }
.hint { color: var(--ink-3); font-size: 12.5px; overflow-wrap: anywhere; }
.num, td.n { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* athlete tabs */
.athbar { display: flex; align-items: center; gap: 8px; padding: 8px 22px; border-bottom: 1px solid var(--rule); background: var(--paper-2); overflow-x: auto; }
.ath-tabs { display: flex; gap: 4px; }
.ath, .ath-add { font: 600 13.5px var(--sans); padding: 6px 12px; border: 1px solid var(--rule); background: var(--card); color: var(--ink-2); cursor: pointer; white-space: nowrap; }
.ath.on { color: var(--ink); border-color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }
.ath:disabled { cursor: default; opacity: .75; }
.ath-add { background: none; border-style: dashed; color: var(--accent); }
.dlg { border: 1.5px solid var(--ink); background: var(--card); padding: 22px; max-width: 440px; width: calc(100% - 32px); }
.dlg::backdrop { background: rgba(27, 26, 23, .35); }
.dlg form { display: flex; flex-direction: column; gap: 12px; }
.dlg label { display: flex; flex-direction: column; gap: 4px; font-size: 13.5px; font-weight: 600; }
.dlg input { font: inherit; font-weight: 400; padding: 7px 8px; border: 1px solid var(--rule); background: var(--paper); }
.dlg .err { color: var(--bad); margin: 0; min-height: 1em; font-size: 13px; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; }
.dlg-actions button { font: 600 14px var(--sans); padding: 8px 14px; border: 1.5px solid var(--ink); background: var(--ink); color: var(--paper); cursor: pointer; }
.dlg-actions .ghost { background: none; color: var(--ink); }

/* masthead */
.mast { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 22px;
  border-bottom: 2px solid var(--ink); background: var(--paper); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.brand { display: flex; align-items: baseline; gap: 10px; }
.mark { font-family: var(--mono); font-weight: 700; font-size: 13px; background: var(--ink); color: var(--paper); padding: 3px 6px; align-self: center; }
.title { font-family: var(--serif); font-size: 22px; font-weight: 600; }
.sub { color: var(--ink-3); font-size: 12.5px; }
nav { display: flex; gap: 2px; }
nav a { color: var(--ink-2); text-decoration: none; padding: 6px 12px; font-size: 14px; border-bottom: 2px solid transparent; }
nav a.on { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }

main { padding: 18px 22px 40px; }
.view[hidden] { display: none !important; }

/* chat view */
#view-chat { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 22px; align-items: start; }
.chat-col { display: flex; flex-direction: column; min-height: calc(100vh - 110px); position: sticky; top: 70px; max-height: calc(100vh - 90px); }
.thread { flex: 1; overflow-y: auto; padding-right: 6px; }
.intro p { color: var(--ink-2); max-width: 46ch; margin: 8px 0 14px; }
.examples { display: flex; flex-wrap: wrap; gap: 6px; }
.examples button { font: 13px var(--sans); background: var(--card); border: 1px solid var(--rule); color: var(--ink); padding: 5px 9px; cursor: pointer; text-align: left; }
.examples button:hover { border-color: var(--ink); }
.ask { display: flex; gap: 8px; border-top: 2px solid var(--ink); padding-top: 10px; margin-top: 8px; }
.ask textarea { flex: 1; font: 15px var(--sans); padding: 8px 10px; border: 1px solid var(--rule); background: var(--card); resize: vertical; color: var(--ink); }
.ask textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.ask button, button.primary { font: 600 14px var(--sans); background: var(--ink); color: var(--paper); border: 0; padding: 0 18px; cursor: pointer; }
.ask button:disabled { background: var(--ink-3); cursor: wait; }

.msg { margin: 14px 0; }
.msg.q { font-family: var(--serif); font-size: 18px; border-left: 3px solid var(--ink); padding-left: 10px; }
.msg.a { background: var(--card); border: 1px solid var(--rule); padding: 12px 14px; }
.msg.a p { margin: 0 0 8px; }
.msg.a ul { margin: 4px 0 8px; padding-left: 18px; }
.msg.a .err { color: var(--bad); }
.cite { font-family: var(--mono); font-size: 12px; background: var(--paper-2); border: 1px solid var(--rule); padding: 0 4px; cursor: pointer; white-space: nowrap; color: var(--ink); }
.cite:hover { border-color: var(--accent); color: var(--accent); }
.cite.bad { border-color: var(--bad); color: var(--bad); }
.meta { margin-top: 8px; font-size: 12px; color: var(--ink-3); display: flex; gap: 12px; flex-wrap: wrap; }
details.tools { margin-top: 6px; font-size: 12.5px; }
details.tools summary { cursor: pointer; color: var(--ink-2); }
details.tools pre { max-height: 220px; overflow: auto; background: var(--paper); border: 1px solid var(--rule); padding: 6px; font: 11.5px/1.4 var(--mono); white-space: pre-wrap; word-break: break-all; }
.thinking { color: var(--ink-3); font-style: italic; }
.thinking::after { content: "…"; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* panels */
.side-col { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.panel { background: var(--card); border: 1px solid var(--rule); padding: 12px 14px; min-width: 0; }
.panel-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.filters { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.filters select { font: 13px var(--sans); border: 1px solid var(--rule); background: var(--paper); padding: 3px 4px; color: var(--ink); }
.chk { font-size: 12.5px; color: var(--ink-2); display: flex; gap: 4px; align-items: center; }
.x { background: none; border: 0; font-size: 20px; cursor: pointer; color: var(--ink-2); }
.table-wrap { max-height: 420px; overflow: auto; border-top: 1px solid var(--ink); }
table { border-collapse: collapse; width: 100%; font-size: 12.5px; }
th { position: sticky; top: 0; background: var(--card); text-align: left; font-weight: 600; color: var(--ink-2); border-bottom: 1px solid var(--rule); padding: 5px 6px; cursor: pointer; white-space: nowrap; }
th.n, td.n { text-align: right; }
td { padding: 4px 6px; border-bottom: 1px solid var(--paper-2); white-space: nowrap; }
td.name { max-width: 210px; overflow: hidden; text-overflow: ellipsis; }
tr.hl td { background: var(--hl); }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--paper-2); }
.tag { font: 11.5px var(--sans); padding: 0 4px; border: 1px solid currentColor; }
.tag.dup, .tag.frag { color: var(--bad); }
.sw { display: inline-block; width: 9px; height: 9px; margin-right: 5px; vertical-align: baseline; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 2px 12px; font-size: 13px; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; font-family: var(--mono); }

/* dashboard */
.dash-head { margin-bottom: 14px; }
.dash-head p { max-width: 80ch; margin: 6px 0 0; }
.dash { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; }
.dash .panel { grid-column: span 6; }
.dash .panel.w12 { grid-column: span 12; }
.dash .panel.w4 { grid-column: span 4; }
.dash .panel.w8 { grid-column: span 8; }
.src { margin-top: 8px; font: 11px var(--mono); color: var(--ink-3); border-top: 1px dashed var(--rule); padding-top: 4px; word-break: break-all; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.tile { border-left: 3px solid var(--ink); padding: 2px 10px; }
.tile .v { font: 600 24px var(--mono); }
.tile .l { font-size: 12px; color: var(--ink-3); }
.legend { display: flex; gap: 12px; font-size: 12px; color: var(--ink-2); margin: 2px 0 4px; flex-wrap: wrap; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text { font: 10.5px var(--mono); fill: var(--ink-3); }
.chart .lbl { fill: var(--ink-2); }
.chart .grid { stroke: var(--paper-2); }
.chart .axis { stroke: var(--rule); }
.weeks { display: flex; flex-wrap: wrap; gap: 2px; padding-bottom: 4px; }
.dash .panel { overflow: hidden; }
.dash td.name, .how-detail td.name { max-width: 0; width: 100%; }
.split td { padding: 3px 6px; }
.split .bar { height: 10px; display: inline-block; vertical-align: middle; }
.tip { position: fixed; pointer-events: none; background: var(--ink); color: var(--paper); font: 12px/1.35 var(--mono); padding: 5px 7px; z-index: 50; max-width: 280px; white-space: pre-line; }

/* how it works */
.how { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.diagram { position: relative; padding: 8px 0; }
.diagram svg.wires { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.lane { position: relative; border: 1.5px dashed var(--ink-3); padding: 26px 14px 14px; margin-bottom: 44px; }
.lane > .lane-label { position: absolute; top: 4px; left: 10px; font: 600 12px var(--sans); color: var(--ink-2); }
.lane.cloud { border-color: var(--accent); background: var(--cloud); }
.lane.cloud > .lane-label { color: var(--accent); }
.row { display: grid; gap: 26px; grid-template-columns: repeat(var(--cols, 3), minmax(0, 1fr)); margin-bottom: 26px; }
.row:last-child { margin-bottom: 0; }
.block { position: relative; background: var(--card); border: 1.5px solid var(--ink); padding: 8px 10px; cursor: pointer; text-align: left; font: inherit; color: inherit; min-height: 84px; }
.block:hover, .block.on { box-shadow: 4px 4px 0 var(--ink); transform: translate(-2px, -2px); }
.block.on { border-color: var(--accent); box-shadow: 4px 4px 0 var(--accent); }
.block .k { font: 600 12px var(--sans); color: var(--ink-3); }
.block .t { font-family: var(--serif); font-size: 16px; font-weight: 600; }
.block .s { font: 12px var(--mono); color: var(--ink-2); margin-top: 2px; }
.block.cloudb { border-color: var(--accent); }
.wire { fill: none; stroke: var(--ink); stroke-width: 1.5; }
.wire.leaves { stroke: var(--accent); stroke-width: 2.5; }
.wire.loop { stroke: var(--ink-3); stroke-dasharray: 4 3; }
.wire-label { font: 600 10.5px var(--mono); fill: var(--accent); }
.how-detail { background: var(--card); border: 1px solid var(--rule); padding: 14px; position: sticky; top: 70px; max-height: calc(100vh - 90px); overflow: auto; }
.how-detail h3 { margin-bottom: 6px; }
.how-detail pre { background: var(--paper); border: 1px solid var(--rule); padding: 8px; font: 11.5px/1.4 var(--mono); white-space: pre-wrap; word-break: break-word; max-height: 300px; overflow: auto; }
.how-detail table td, .how-detail table th { font-size: 12px; }
.never { border-left: 3px solid var(--bad); padding-left: 8px; }
.leaves { border-left: 3px solid var(--accent); padding-left: 8px; }
ul.plain { padding-left: 16px; margin: 4px 0 10px; }

/* in-chat widgets: working surfaces the analyst opens under an answer */
.widgets:empty { display: none; }
.widget { border-top: 1px solid var(--ink); margin-top: 12px; padding-top: 8px; min-width: 0; }
.widget[aria-busy="true"] { opacity: .6; }
.w-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.w-head h3 { font-size: 16px; }
.w-nav { margin-left: auto; display: flex; gap: 6px; }
.widget button, #detail button { font: 13px var(--sans); min-height: 32px; padding: 0 10px; border: 1px solid var(--rule); background: var(--paper); color: var(--ink); cursor: pointer; }
.widget button:hover, #detail button:hover { border-color: var(--ink); }
.widget button.primary, #detail button.primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
button.link { background: none; border: 0; padding: 0 2px; min-height: 0; color: var(--accent); font: 12.5px var(--sans); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
.widget button.link { border: 0; min-height: 24px; background: none; color: var(--accent); }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible, .cite:focus-visible, tr.click:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
table.week th { position: static; width: 84px; vertical-align: top; font-weight: 600; color: var(--ink); cursor: default; background: none; }
table.week td { white-space: normal; vertical-align: top; }
table.week tr.today th, table.week tr.today td { background: var(--paper-2); }
.plan-item { padding: 2px 0 2px 8px; border-left: 3px solid var(--rule); margin: 2px 0; }
.plan-item .status { font: 600 12px var(--sans); margin-right: 4px; }
.s-done { border-left-color: var(--c-done); } .s-done .status { color: var(--c-done); }
.s-partial, .s-over { border-left-color: var(--c-partial); } .s-partial .status, .s-over .status { color: var(--c-partial); }
.s-off { border-left-color: var(--c-off); } .s-off .status { color: var(--c-off); }
.s-missed { border-left-color: var(--c-missed); } .s-missed .status { color: var(--c-missed); }
.s-planned .status { color: var(--ink-3); }
.done-item { font-size: 12.5px; margin: 2px 0; }
.done-item.excluded { color: var(--ink-3); }
.new { background: var(--hl); }
.undo { margin: 0 0 6px; font-size: 13px; color: var(--ink-2); }
.form-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: flex-end; margin-top: 8px; }
.form-row label { display: flex; flex-direction: column; font-size: 12px; color: var(--ink-2); gap: 2px; }
.form-row label.grow { flex: 1; min-width: 160px; }
.form-row input, .form-row select, .note-form textarea { font: 14px var(--sans); min-height: 32px; padding: 4px 6px; border: 1px solid var(--rule); background: var(--card); color: var(--ink); }
.form-row input[type=number] { width: 76px; }
.note-form { display: flex; gap: 8px; align-items: flex-end; margin-top: 8px; }
.note-form textarea { flex: 1; resize: vertical; }
ul.notes { list-style: none; padding: 0; margin: 0; }
ul.notes li { border-bottom: 1px solid var(--paper-2); padding: 6px 0; }
ul.notes .body { margin: 2px 0; }
ul.notes details summary { cursor: pointer; font-weight: 600; }
.widget .table-wrap { max-height: 320px; }
.widget .chart { max-width: 680px; }

button:active, .cite:active { transform: translateY(1px); }
@media (prefers-reduced-motion: reduce) {
  .thinking::after { animation: none; }
  .block:hover, .block.on, button:active, .cite:active { transform: none; }
}

@media (max-width: 900px) {
  main { padding: 12px; }
  #view-chat { grid-template-columns: 1fr; }
  .chat-col { position: static; min-height: 0; max-height: none; }
  .thread { max-height: none; }
  .dash .panel, .dash .panel.w4, .dash .panel.w8 { grid-column: span 12; }
  .how { grid-template-columns: 1fr; }
  .how-detail { position: static; max-height: none; }
  .row { grid-template-columns: 1fr !important; gap: 22px; }
  .row:not(.r2) { margin-bottom: 22px; }
  .row.r2 > :nth-child(1) { order: 3; }
  .row.r2 > :nth-child(3) { order: 1; }
  .row.r2 > :nth-child(2) { order: 2; }
  .lane { padding-right: 28px; }
  .sub { display: none; }
  h1 { font-size: 24px; }
}

/* morning draft */
#draft textarea { width: 100%; box-sizing: border-box; font: 14px/1.45 var(--sans); padding: 8px; border: 1px solid var(--rule); background: var(--paper); color: var(--ink); resize: vertical; }
#draft .d-text { font-size: 14px; line-height: 1.45; margin: 0 0 8px; white-space: pre-wrap; }
#draft .d-actions[hidden] { display: none; }
#draft .d-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 8px; }
#draft .d-actions button { font: 600 13.5px var(--sans); padding: 6px 12px; border: 1.5px solid var(--ink); background: var(--ink); color: var(--paper); cursor: pointer; }
#draft .d-actions button.ghost, #draft .d-actions a { background: none; color: var(--ink); }
#draft .d-actions a { font: 600 13.5px var(--sans); padding: 6px 12px; border: 1.5px solid var(--ink); text-decoration: none; }
#draft .d-actions input { flex: 1; min-width: 120px; font: 13.5px var(--sans); padding: 5px 6px; border: 1px solid var(--rule); background: var(--card); }
#draft .d-count.over { color: var(--bad); }
#draft .d-note { margin: 8px 0 0; font-size: 13px; color: var(--ink-2); border-left: 3px solid var(--accent); padding-left: 8px; }
#draft .err { color: var(--bad); font-size: 13px; }
#draft details { margin-top: 8px; font-size: 12.5px; }
#draft details pre { white-space: pre-wrap; overflow-wrap: anywhere; font: 11.5px var(--mono); margin: 4px 0; }

/* sign-in, first password and welcome pages */
.auth-card { max-width: 480px; margin: 40px auto; padding: 24px; background: var(--card); border: 1.5px solid var(--ink); display: flex; flex-direction: column; gap: 12px; }
.auth-card form { display: flex; flex-direction: column; gap: 12px; }
.auth-card section { display: flex; flex-direction: column; gap: 12px; }
.auth-card [hidden] { display: none !important; }
.auth-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13.5px; font-weight: 600; }
.auth-card input:not([type=checkbox]) { font: inherit; font-weight: 400; padding: 8px; border: 1px solid var(--rule); background: var(--paper); width: 100%; }
.auth-card button.primary { min-height: 40px; }
.auth-card button.primary:disabled { background: var(--ink-3); cursor: wait; }
.auth-card .err { color: var(--bad); margin: 0; min-height: 1em; font-size: 13px; }
.auth-card p { margin: 0; }
.auth-card label.check { flex-direction: row; align-items: flex-start; gap: 8px; font-weight: 400; }
.auth-card label.check input { margin-top: 4px; }
.pw { display: flex; gap: 8px; align-items: center; }
.eyebrow { color: var(--accent); font: 600 12.5px var(--sans); text-transform: uppercase; letter-spacing: .06em; }
.parts { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.parts span { display: block; color: var(--ink-2); font-size: 14px; }
.back { align-self: flex-start; }
.mast form { margin: 0; }
@media (max-width: 520px) { .auth-card { margin: 16px; } }
.signout { display: inline-flex; align-items: baseline; gap: 6px; margin-left: 8px; }
.dlg label.check { flex-direction: row; align-items: flex-start; gap: 8px; font-weight: 400; }
.dlg label.check input { margin-top: 4px; }
.dlg [hidden] { display: none !important; }
.dlg h3 { font-size: 15px; margin-top: 6px; }
.dlg-actions button.danger { background: var(--bad); border-color: var(--bad); }
.ath-wrap { display: inline-flex; }
.ath-del { font: 600 13.5px var(--sans); padding: 6px 8px; border: 1px solid var(--rule); border-left: 0; background: var(--card); color: var(--ink-3); cursor: pointer; }
.ath-del:hover { color: var(--bad); border-color: var(--bad); }
.linkbox { margin: 0; padding: 8px; background: var(--paper); border: 1px solid var(--rule); overflow-wrap: anywhere; font-size: 12.5px; }
.auth-card .danger-btn { font: 600 14px var(--sans); min-height: 40px; background: var(--bad); color: var(--paper); border: 0; cursor: pointer; }
.auth-card .primary-link { display: block; text-align: center; padding: 10px; background: var(--ink); color: var(--paper); text-decoration: none; font-weight: 600; }