/* AI Product Manager portal — one stylesheet, no build step. */

:root {
  --bg: #f5f6f9;
  --surface: #ffffff;
  --surface-2: #fafbfd;
  --ink: #14161c;
  --ink-2: #414755;
  --muted: #646c7e;
  --border: #e0e4ec;
  --border-strong: #c9cfdb;
  --accent: #2f45cf;
  --accent-ink: #ffffff;
  --accent-soft: #eaedfb;
  --functional: #0d6e64;
  --functional-soft: #e3f4f1;
  --visual: #6b3bb8;
  --visual-soft: #f0e9fb;
  --add: #15683f;
  --add-soft: #e3f3ea;
  --remove: #a3282a;
  --remove-soft: #fbe9e9;
  --change: #8a5a05;
  --change-soft: #fcf1de;
  --shadow: 0 1px 2px rgba(16, 20, 32, .06), 0 8px 24px -12px rgba(16, 20, 32, .18);
  --radius: 12px;
  --radius-sm: 8px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1016;
    --surface: #171a22;
    --surface-2: #1d212b;
    --ink: #eef0f6;
    --ink-2: #c3c8d6;
    --muted: #949cb0;
    --border: #2a2f3c;
    --border-strong: #3b4252;
    --accent: #8d9bff;
    --accent-ink: #0e1016;
    --accent-soft: #212747;
    --functional: #64d8c6;
    --functional-soft: #12302d;
    --visual: #c4a5f5;
    --visual-soft: #2a2140;
    --add: #6fd99b;
    --add-soft: #14301f;
    --remove: #f39a9a;
    --remove-soft: #33191a;
    --change: #f0c377;
    --change-soft: #322612;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px -14px rgba(0, 0, 0, .7);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.015em; margin: 0; }
h1 { font-size: 1.75rem; font-weight: 650; }
h2 { font-size: 1.15rem; font-weight: 640; }
h3 { font-size: 1rem; font-weight: 620; }
p { margin: 0; }

/* --- chrome ------------------------------------------------------------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 640;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-right: 12px;
}
.brand:hover { text-decoration: none; }

.mark {
  width: 26px; height: 26px;
  border-radius: 8px;
  background: linear-gradient(140deg, var(--accent), var(--visual));
  display: grid; place-items: center;
  color: #fff; font-size: 12px; font-weight: 700;
  flex: none;
}

.nav { display: flex; gap: 2px; flex-wrap: wrap; }

.nav a {
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  color: var(--ink-2);
  font-weight: 520;
  font-size: .925rem;
}
.nav a:hover { background: var(--surface-2); color: var(--ink); text-decoration: none; }
.nav a.active { background: var(--accent-soft); color: var(--accent); }

.topbar .spacer { flex: 1; }

.who { color: var(--muted); font-size: .85rem; }

.linkbtn {
  background: none; border: 0; padding: 7px 10px; cursor: pointer;
  color: var(--muted); font: inherit; font-size: .875rem; border-radius: var(--radius-sm);
}
.linkbtn:hover { color: var(--ink); background: var(--surface-2); }

main { max-width: 1120px; margin: 0 auto; padding: 32px 24px 72px; }

.page-head { margin-bottom: 24px; }
.page-head .eyebrow {
  text-transform: uppercase; letter-spacing: .09em; font-size: .7rem;
  font-weight: 650; color: var(--muted); margin-bottom: 6px;
}
.page-head .sub { color: var(--muted); margin-top: 6px; max-width: 62ch; }

/* --- surfaces ----------------------------------------------------------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-pad { padding: 20px; }

.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.stat { padding: 18px 20px; }
.stat .label {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); font-weight: 650;
}
.stat .value { font-size: 2rem; font-weight: 660; letter-spacing: -.03em; margin-top: 4px; }
.stat .hint { color: var(--muted); font-size: .84rem; }

.section { margin-top: 32px; }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; margin-bottom: 12px; flex-wrap: wrap;
}

/* --- empty state -------------------------------------------------------- */

.empty {
  text-align: center;
  padding: 56px 28px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
}
.empty .glyph {
  width: 48px; height: 48px; margin: 0 auto 16px;
  border-radius: 14px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); font-size: 22px;
}
.empty h2 { margin-bottom: 8px; }
.empty p { color: var(--muted); max-width: 52ch; margin: 0 auto 20px; }

.steps {
  list-style: none; padding: 0; margin: 24px auto 0; max-width: 460px;
  text-align: left; display: grid; gap: 10px;
}
.steps li {
  display: flex; gap: 12px; align-items: flex-start;
  color: var(--ink-2); font-size: .92rem;
}
.steps .n {
  flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--surface-2); border: 1px solid var(--border);
  display: grid; place-items: center; font-size: .72rem; font-weight: 650; color: var(--muted);
}

/* --- buttons & forms ---------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: var(--radius-sm);
  border: 1px solid transparent; background: var(--accent); color: var(--accent-ink);
  font: inherit; font-weight: 580; font-size: .925rem; cursor: pointer;
}
.btn:hover { filter: brightness(1.06); text-decoration: none; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface-2); filter: none; }
.btn-sm { padding: 6px 12px; font-size: .85rem; }
.btn-block { width: 100%; justify-content: center; }

label { display: block; font-weight: 570; font-size: .875rem; margin-bottom: 6px; }
.field { margin-bottom: 18px; }
.field .help { color: var(--muted); font-size: .8rem; margin-top: 6px; }

input[type=text], input[type=email], input[type=password], input[type=url], textarea, select {
  width: 100%; padding: 10px 12px; font: inherit; font-size: .925rem;
  color: var(--ink); background: var(--surface);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
}
textarea { min-height: 96px; resize: vertical; }
input:focus-visible, textarea:focus-visible, select:focus-visible,
.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

fieldset { border: 0; margin: 0; padding: 0; }
legend { font-weight: 600; font-size: .95rem; padding: 0 0 8px; }

.radio-row { display: grid; gap: 10px; margin-bottom: 18px; }
.radio-card {
  display: flex; gap: 10px; align-items: flex-start;
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: 12px 14px; cursor: pointer; background: var(--surface);
}
.radio-card input { margin-top: 3px; accent-color: var(--accent); }
.radio-card .t { display: block; font-weight: 570; }
.radio-card .d { display: block; color: var(--muted); font-size: .84rem; font-weight: 400; }
.radio-card:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }

.competitor-row { display: flex; gap: 10px; margin-bottom: 10px; }
.competitor-row input { flex: 1; }
.competitor-row input.name { max-width: 34%; }

.alert {
  padding: 11px 14px; border-radius: var(--radius-sm); font-size: .9rem;
  border: 1px solid; margin-bottom: 18px;
}
.alert-error { background: var(--remove-soft); border-color: color-mix(in srgb, var(--remove) 35%, transparent); color: var(--remove); }
.alert-info { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 28%, transparent); color: var(--accent); }

/* --- login -------------------------------------------------------------- */

.login-wrap {
  min-height: 100vh; display: grid; place-items: center; padding: 32px 20px;
  background:
    radial-gradient(900px 480px at 50% -12%, var(--accent-soft), transparent 70%),
    var(--bg);
}
.login-card { width: 100%; max-width: 396px; padding: 32px; }
.login-head { text-align: center; margin-bottom: 24px; }
.login-head .mark { width: 40px; height: 40px; border-radius: 12px; font-size: 16px; margin: 0 auto 14px; }
.login-head h1 { font-size: 1.35rem; }
.login-head p { color: var(--muted); font-size: .9rem; margin-top: 6px; }
.login-foot { text-align: center; color: var(--muted); font-size: .78rem; margin-top: 20px; }

/* --- tables & lists ----------------------------------------------------- */

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); }
th {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .07em;
  color: var(--muted); font-weight: 650;
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface-2); }

.tag {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: .72rem; font-weight: 620; letter-spacing: .01em;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--border);
}
.tag-own { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.tag-functional { background: var(--functional-soft); color: var(--functional); border-color: transparent; }
.tag-visual { background: var(--visual-soft); color: var(--visual); border-color: transparent; }
.tag-add { background: var(--add-soft); color: var(--add); border-color: transparent; }
.tag-remove { background: var(--remove-soft); color: var(--remove); border-color: transparent; }
.tag-change { background: var(--change-soft); color: var(--change); border-color: transparent; }

/* --- visual profile ----------------------------------------------------- */

.swatches { display: flex; flex-wrap: wrap; gap: 12px; }
.swatch { width: 112px; }
.swatch .chip {
  height: 64px; border-radius: 10px; border: 1px solid var(--border-strong);
}
.swatch .role { font-size: .78rem; font-weight: 600; margin-top: 7px; }
.swatch .hex { font-family: var(--mono); font-size: .72rem; color: var(--muted); }

.type-row {
  display: flex; align-items: baseline; gap: 14px;
  padding: 9px 0; border-bottom: 1px solid var(--border);
}
.type-row:last-child { border-bottom: 0; }
.type-row .size {
  font-family: var(--mono); font-size: .72rem; color: var(--muted);
  width: 64px; flex: none;
}
.type-row .demo { line-height: 1.15; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.spacing-row { display: flex; align-items: center; gap: 12px; padding: 5px 0; }
.spacing-row .size { font-family: var(--mono); font-size: .72rem; color: var(--muted); width: 64px; flex: none; }
.spacing-row .bar { height: 12px; border-radius: 3px; background: var(--accent); opacity: .75; }

.kv { display: grid; grid-template-columns: 150px 1fr; gap: 6px 16px; font-size: .9rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.feature-group { margin-bottom: 22px; }
.feature-group h3 { text-transform: capitalize; margin-bottom: 8px; }
.feature-list { display: grid; gap: 8px; }
.feature {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 14px; background: var(--surface);
}
.feature .name { font-weight: 570; }
.feature .desc { color: var(--ink-2); font-size: .9rem; margin-top: 3px; }
.feature .meta { color: var(--muted); font-size: .78rem; margin-top: 6px; }

/* --- report ------------------------------------------------------------- */

.track-head {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 12px; border-bottom: 2px solid var(--border); margin-bottom: 20px;
}
.track-head .dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.track-functional .dot { background: var(--functional); }
.track-visual .dot { background: var(--visual); }
.track-head .count { color: var(--muted); font-size: .85rem; }

.action-group { margin-bottom: 26px; }
.action-group > h3 {
  display: flex; align-items: center; gap: 8px;
  font-size: .78rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); margin-bottom: 10px;
}

.rec {
  border: 1px solid var(--border); border-left: 3px solid var(--border-strong);
  border-radius: var(--radius-sm); background: var(--surface);
  padding: 16px 18px; margin-bottom: 10px;
}
.rec-add { border-left-color: var(--add); }
.rec-remove { border-left-color: var(--remove); }
.rec-change { border-left-color: var(--change); }
.rec-head { display: flex; gap: 12px; align-items: flex-start; }
.rec-head h4 { margin: 0; font-size: 1rem; font-weight: 600; flex: 1; line-height: 1.35; }
.prio {
  flex: none; font-size: .68rem; font-weight: 680; letter-spacing: .05em;
  padding: 3px 8px; border-radius: 6px; background: var(--surface-2);
  border: 1px solid var(--border); color: var(--muted); white-space: nowrap;
}
.prio-1, .prio-2 { background: var(--remove-soft); color: var(--remove); border-color: transparent; }
.rec .rationale { color: var(--ink-2); margin-top: 8px; font-size: .92rem; }

.rec-meta {
  display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center;
  margin-top: 12px; font-size: .8rem; color: var(--muted);
}
.adoption { display: flex; align-items: center; gap: 8px; }
.adoption .track-bar {
  display: block; width: 68px; height: 7px; flex: none;
  border-radius: 999px; background: var(--border-strong); overflow: hidden;
}
.adoption .fill { display: block; height: 100%; background: var(--accent); }

.evidence { margin-top: 12px; border-top: 1px solid var(--border); padding-top: 10px; }
.evidence summary {
  cursor: pointer; font-size: .8rem; color: var(--muted); font-weight: 570;
  list-style: none;
}
.evidence summary::-webkit-details-marker { display: none; }
.evidence summary::before { content: "▸ "; }
.evidence[open] summary::before { content: "▾ "; }
.evidence ul { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 10px; }
.evidence li {
  font-size: .85rem; border-left: 2px solid var(--border);
  padding-left: 12px; color: var(--ink-2);
}
.evidence .src { font-weight: 570; color: var(--ink); }
.evidence blockquote {
  margin: 4px 0 0; color: var(--muted); font-style: italic;
}
.evidence a { font-family: var(--mono); font-size: .76rem; word-break: break-all; }

/* --- job progress ------------------------------------------------------- */

.job { display: flex; gap: 14px; align-items: flex-start; }
.spinner {
  width: 18px; height: 18px; flex: none; margin-top: 2px;
  border: 2px solid var(--border-strong); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 900ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 3s; } }

.job .status { font-weight: 580; }
.job .detail { color: var(--muted); font-size: .88rem; margin-top: 3px; }
.job-log {
  margin-top: 14px; font-family: var(--mono); font-size: .78rem;
  color: var(--muted); display: grid; gap: 4px;
}

.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.small { font-size: .85rem; }

@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  main { padding: 24px 16px 56px; }
  .topbar-inner { padding: 0 16px; height: auto; min-height: 60px; flex-wrap: wrap; row-gap: 4px; padding-block: 8px; }
  .topbar .spacer { display: none; }
  .who { display: none; }
  .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .kv dd { margin-bottom: 8px; }
  .competitor-row { flex-direction: column; }
  .competitor-row input.name { max-width: none; }
  h1 { font-size: 1.45rem; }
}