:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --ink: #142033;
  --ink-2: #4a5568;
  --ink-3: #8592a6;
  --line: #e2e7ef;
  --brand: #1d5fd1;
  --brand-ink: #ffffff;
  --brand-soft: #e8f0fd;
  --nav: #0f1b2d;
  --nav-ink: #c9d4e5;
  --nav-active: #1d5fd1;
  --ok: #16794c;
  --ok-soft: #e4f5ec;
  --warn: #9a6200;
  --warn-soft: #fdf3dc;
  --bad: #b42318;
  --bad-soft: #fdecea;
  /* Learning is deliberately its own color family so it never reads as a task. */
  --learn: #6d3fc0;
  --learn-soft: #f1ebfb;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  color: var(--ink);
  background: var(--bg);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); min-height: 100vh; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.45rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 0 0 10px; }
h3 { font-size: .95rem; margin: 0 0 8px; color: var(--ink-2); text-transform: uppercase; letter-spacing: .04em; }
p { margin: 0 0 8px; }
.muted { color: var(--ink-3); }
.small { font-size: .85rem; }
.nowrap { white-space: nowrap; }
.right { margin-left: auto; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.stack > * + * { margin-top: 12px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid-2 { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

/* Shell */
.shell { display: grid; grid-template-columns: 220px minmax(0, 1fr); min-height: 100vh; background: linear-gradient(to right, var(--nav) 220px, var(--bg) 220px); }
.nav { background: var(--nav); color: var(--nav-ink); padding: 16px 10px; display: flex; flex-direction: column; gap: 2px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.nav .brand { color: #fff; font-weight: 700; font-size: 1.05rem; padding: 6px 10px 16px; letter-spacing: .02em; }
.nav .brand span { color: #7fb0ff; }
.nav a { color: var(--nav-ink); padding: 9px 12px; border-radius: 8px; display: flex; align-items: center; gap: 8px; text-decoration: none; }
.nav a:hover { background: rgba(255, 255, 255, .06); }
.nav a.active { background: var(--nav-active); color: #fff; }
.nav a .count { margin-left: auto; background: var(--bad); color: #fff; border-radius: 99px; font-size: .72rem; padding: 1px 7px; }
.nav .spacer { flex: 1; }
.nav .me { padding: 10px 12px; font-size: .85rem; border-top: 1px solid rgba(255, 255, 255, .08); margin-top: 8px; }
.main { padding: 24px 28px 60px; max-width: 1400px; width: 100%; min-width: 0; }
.page-head { display: flex; align-items: flex-end; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head .actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.menu-btn { display: none; }
@media (max-width: 800px) {
  .shell { grid-template-columns: minmax(0, 1fr); background: var(--bg); }
  .nav { position: fixed; z-index: 30; left: 0; top: 0; width: 240px; transform: translateX(-100%); transition: transform .2s; }
  .nav.open { transform: none; box-shadow: 0 0 0 100vmax rgba(0, 0, 0, .35); }
  .menu-btn { display: inline-flex; }
  .main { padding: 14px 16px 60px; }
}

/* Panels */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; min-width: 0; }
.card.flush { padding: 0; }
.card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.card-head h2 { margin: 0; }
.card-head .right { display: flex; gap: 6px; }
.card.learn { border-color: #d9c9f3; background: linear-gradient(0deg, #fff, #fff), var(--learn-soft); border-left: 4px solid var(--learn); }
.empty { color: var(--ink-3); padding: 14px 0; text-align: center; font-size: .9rem; }

/* Buttons & inputs */
button, .btn { font: inherit; border: 1px solid var(--line); background: #fff; color: var(--ink); padding: 7px 13px; border-radius: 8px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
button:hover, .btn:hover { border-color: #c4cdda; text-decoration: none; }
button.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
button.primary:hover { filter: brightness(1.07); }
button.danger { color: var(--bad); }
button.learn { background: var(--learn); color: #fff; border-color: var(--learn); }
button.link { border: 0; background: none; color: var(--brand); padding: 0; }
button.sm { padding: 4px 9px; font-size: .85rem; }
button:disabled { opacity: .5; cursor: not-allowed; }
input, select, textarea { font: inherit; color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; background: #fff; width: 100%; min-width: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand-soft); border-color: var(--brand); }
input[type=checkbox] { width: auto; accent-color: var(--brand); transform: scale(1.15); }
textarea { min-height: 80px; resize: vertical; }
label.field { display: flex; flex-direction: column; gap: 4px; font-size: .85rem; color: var(--ink-2); }
label.field.missing input, label.field.missing select { border-color: var(--bad); background: var(--bad-soft); }
label.check { display: flex; gap: 8px; align-items: center; font-size: .9rem; }
.form-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.toolbar input[type=search] { max-width: 280px; }
.toolbar select { width: auto; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }
.seg button { border: 0; border-radius: 0; }
.seg button.on { background: var(--brand-soft); color: var(--brand); font-weight: 600; }

/* Pills, badges */
.pill { display: inline-flex; align-items: center; gap: 4px; border-radius: 99px; padding: 2px 9px; font-size: .78rem; background: #eef1f6; color: var(--ink-2); white-space: nowrap; }
.pill.brand { background: var(--brand-soft); color: var(--brand); }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.learn { background: var(--learn-soft); color: var(--learn); }
.pill.auto { background: #eef6ff; color: #2a5a9e; }

/* Tables / lists */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .78rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
tr.click { cursor: pointer; }
tr.click:hover td { background: #f8fafd; }
.table-wrap { overflow-x: auto; }
.list-item { display: flex; gap: 10px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--line); }
.list-item:last-child { border-bottom: 0; }
.list-item .grow { flex: 1; min-width: 0; }
.list-item .title { font-weight: 500; }
.overdue { color: var(--bad); font-weight: 600; }
.due-today { color: var(--warn); font-weight: 600; }

/* Lead stage groups */
.section-title { margin: 22px 0 8px; display: flex; align-items: center; gap: 8px; }
.stage-group { margin-bottom: 8px; }
.stage-group > summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); font-weight: 600; }
.stage-group > summary::-webkit-details-marker { display: none; }
.stage-group > summary::before { content: "▸"; color: var(--ink-3); transition: transform .15s; }
.stage-group[open] > summary::before { transform: rotate(90deg); }
.stage-group[open] > summary { border-bottom-left-radius: 0; border-bottom-right-radius: 0; }
.stage-group .body { background: #fff; border: 1px solid var(--line); border-top: 0; border-bottom-left-radius: var(--radius); border-bottom-right-radius: var(--radius); }
.stage-group .count { background: #eef1f6; border-radius: 99px; padding: 1px 9px; font-size: .8rem; color: var(--ink-2); font-weight: 500; }

/* Whiteboard */
.board { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(250px, 1fr); gap: 12px; overflow-x: auto; padding-bottom: 12px; }
.col { background: #eaeef4; border-radius: var(--radius); padding: 10px; min-height: 300px; display: flex; flex-direction: column; gap: 8px; }
.col.drop { outline: 2px dashed var(--brand); }
.col-head { font-weight: 600; font-size: .9rem; display: flex; gap: 8px; align-items: center; padding: 2px 4px 6px; }
.col-head .sum { margin-left: auto; font-weight: 500; color: var(--ink-2); font-size: .8rem; }
.deal-card { background: #fff; border-radius: 8px; padding: 10px 12px; box-shadow: var(--shadow); cursor: pointer; border: 1px solid transparent; }
.deal-card:hover { border-color: var(--brand); }
.deal-card[draggable=true] { cursor: grab; }
.deal-card .t { font-weight: 600; margin-bottom: 4px; }
.deal-card .meta { font-size: .8rem; color: var(--ink-2); display: flex; gap: 6px; flex-wrap: wrap; }

/* KPI tiles */
.kpis { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
.kpi { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.kpi .label { font-size: .78rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: .04em; }
.kpi .value { font-size: 1.5rem; font-weight: 700; margin-top: 2px; }
.kpi .sub { font-size: .8rem; color: var(--ink-2); }
.bar { height: 8px; background: #eef1f6; border-radius: 99px; overflow: hidden; margin-top: 8px; }
.bar > i { display: block; height: 100%; background: var(--brand); border-radius: 99px; }
.bar.good > i { background: var(--ok); }
.bar.learn > i { background: var(--learn); }

/* Timeline */
.timeline { border-left: 2px solid var(--line); margin-left: 6px; padding-left: 14px; }
.timeline .ev { position: relative; padding: 4px 0 10px; font-size: .88rem; }
.timeline .ev::before { content: ""; position: absolute; left: -20px; top: 9px; width: 10px; height: 10px; border-radius: 50%; background: var(--brand); border: 2px solid #fff; }
.note { background: #fafbfd; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; white-space: pre-wrap; }
.note .by { font-size: .78rem; color: var(--ink-3); margin-bottom: 4px; }

/* Learning steps */
.step { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-bottom: 1px dashed #e3d8f5; }
.step:last-child { border-bottom: 0; }
.step input[type=checkbox] { accent-color: var(--learn); margin-top: 3px; }
.step .grow { flex: 1; }
.step.done .title { text-decoration: line-through; color: var(--ink-3); }

/* Modal, toast */
.modal-bg { position: fixed; inset: 0; background: rgba(15, 27, 45, .45); display: flex; align-items: flex-start; justify-content: center; padding: 6vh 16px; z-index: 50; overflow-y: auto; }
.modal { background: #fff; border-radius: 12px; width: 100%; max-width: 640px; padding: 20px; box-shadow: 0 20px 60px rgba(0, 0, 0, .25); }
.modal.wide { max-width: 900px; }
.modal .foot { display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px; }
.toast-wrap { position: fixed; bottom: 18px; right: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 60; }
.toast { background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow); max-width: 380px; }
.toast.bad { background: var(--bad); }
.alert { padding: 10px 12px; border-radius: 8px; background: var(--warn-soft); color: var(--warn); font-size: .9rem; }
.alert.bad { background: var(--bad-soft); color: var(--bad); }
.alert.ok { background: var(--ok-soft); color: var(--ok); }
.secret { font-family: ui-monospace, Menlo, monospace; background: #0f1b2d; color: #a8f0c6; padding: 10px; border-radius: 8px; word-break: break-all; user-select: all; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; background: linear-gradient(160deg, #0f1b2d, #1d5fd1); }
.login { background: #fff; padding: 28px; border-radius: 14px; width: 100%; max-width: 380px; box-shadow: 0 20px 60px rgba(0, 0, 0, .3); }
.login h1 { margin-bottom: 14px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; overflow-x: auto; }
.tabs a { padding: 8px 12px; color: var(--ink-2); border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs a.on { color: var(--brand); border-color: var(--brand); font-weight: 600; text-decoration: none; }
.perm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 4px 16px; }
.perm-grid .grp { grid-column: 1 / -1; margin-top: 10px; font-weight: 600; font-size: .85rem; color: var(--ink-2); }
.perm-grid label { font-size: .85rem; }
.perm-grid .sens { color: var(--warn); }
pre.diff { background: #fafbfd; border: 1px solid var(--line); padding: 8px; border-radius: 6px; font-size: .78rem; max-height: 220px; overflow: auto; white-space: pre-wrap; margin: 4px 0 0; }

.brief-section p { margin: 0 0 8px; line-height: 1.55; }
.brief-section ul { margin: 0 0 8px; padding-left: 20px; line-height: 1.55; }
.brief-section li + li { margin-top: 4px; }