:root {
  --bg: #f3f2ec;
  --paper: #f7f6f0;
  --paper-strong: #fffef9;
  --ink: #292d2b;
  --muted: #686e69;
  --faint: #969c95;
  --brand: #5f7766;
  --brand-dark: #435948;
  --brand-soft: #dfe4dc;
  --line: rgba(82, 105, 89, .25);
  --line-soft: rgba(82, 105, 89, .14);
  --danger: #b85e4e;
  --danger-soft: #f6ded8;
  --warning: #b47a1c;
  --warning-soft: #f6e7c9;
  --success: #4e7c5b;
  --success-soft: #dce8dd;
  --shadow: 0 16px 42px rgba(52, 62, 54, .08);
  --radius: 7px;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --shell: 1500px;
}

html[data-theme="dark"] {
  --bg: #1e2420;
  --paper: #252c27;
  --paper-strong: #2a322c;
  --ink: #edf0ec;
  --muted: #b4bcb4;
  --faint: #899189;
  --brand: #93ad99;
  --brand-dark: #b0c5b4;
  --brand-soft: #344138;
  --line: rgba(178, 202, 184, .24);
  --line-soft: rgba(178, 202, 184, .12);
  --danger-soft: #49302c;
  --warning-soft: #463a23;
  --success-soft: #2d4032;
  --shadow: 0 18px 50px rgba(0, 0, 0, .25);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  background:
    radial-gradient(circle at 9% 12%, rgba(105, 130, 111, .10), transparent 26%),
    radial-gradient(circle at 88% 3%, rgba(105, 130, 111, .06), transparent 27%),
    var(--bg);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
[hidden] { display: none !important; }
.shell { width: min(calc(100% - 64px), var(--shell)); margin-inline: auto; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(16px);
}
.topbar-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.wordmark {
  display: inline-block;
  color: var(--ink);
  font-size: 1.45rem;
  font-style: italic;
  font-weight: 750;
  letter-spacing: -.055em;
  line-height: 1;
  text-decoration: none;
}
.wordmark span { color: var(--brand); }
.topbar-actions { display: flex; align-items: center; gap: 18px; }
.topbar-label,
.eyebrow {
  color: var(--brand);
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.icon-button {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--brand);
  background: transparent;
  cursor: pointer;
}
.logout {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .11em;
  text-decoration: none;
  text-transform: uppercase;
}
.logout:hover { color: var(--brand); }

.page { flex: 1 0 auto; padding: 42px 0 80px; }
.page-heading { margin-bottom: 34px; }
.section-title { display: grid; grid-template-columns: auto auto 1fr; align-items: center; gap: 24px; }
.section-title > span {
  color: var(--brand);
  font-family: var(--mono);
  font-size: .88rem;
  font-weight: 800;
  letter-spacing: .15em;
}
.section-title h1 {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-weight: 750;
  letter-spacing: -.025em;
  text-transform: lowercase;
}
.section-title i { height: 1px; background: var(--line-soft); }
.page-heading p { margin: 20px 0 0; color: var(--muted); font-size: 1rem; }

.scan-console {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, .8fr);
  gap: clamp(30px, 6vw, 90px);
  align-items: end;
  margin-bottom: 26px;
  padding: clamp(30px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(247, 246, 240, .76);
  box-shadow: var(--shadow);
}
html[data-theme="dark"] .scan-console { background: rgba(37, 44, 39, .9); }
.scan-console h2 {
  margin: 12px 0 15px;
  max-width: 720px;
  font-size: clamp(2.2rem, 4.4vw, 4.7rem);
  line-height: .96;
  letter-spacing: -.055em;
}
.scan-console p { margin: 0; max-width: 720px; color: var(--muted); font-size: 1.02rem; }
.scan-form { display: grid; gap: 10px; }
.scan-form label {
  color: var(--brand);
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.scan-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.scan-row input {
  min-width: 0;
  min-height: 56px;
  padding: 15px 17px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--paper-strong);
  font-family: var(--mono);
  outline: none;
}
.scan-row input::placeholder { color: var(--faint); }
.scan-row input:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(95, 119, 102, .12); }
.scan-row button {
  min-height: 56px;
  padding: 0 24px;
  border: 1px solid var(--brand-dark);
  border-radius: var(--radius);
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  font-size: .79rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
}
html[data-theme="dark"] .scan-row button { color: #1e2420; }
.scan-row button:hover { transform: translateY(-1px); }
.scan-row button:disabled { opacity: .55; transform: none; cursor: wait; }
.scan-row button span { margin-left: 8px; font-size: 1rem; }
.form-note { font-size: .83rem !important; color: var(--faint) !important; }

.status {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: var(--paper);
  font-size: .9rem;
}
.status.is-error { border-color: rgba(184, 94, 78, .4); color: #8e3f33; background: var(--danger-soft); font-weight: 650; }
.spinner {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  border: 2px solid var(--brand-soft);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.dashboard { margin-top: 28px; }
.dashboard-meta {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-bottom: 18px;
  padding: 14px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--paper) 62%, transparent);
}
.analyzed { min-width: 0; }
.analyzed .label,
.meta .m-label {
  display: block;
  color: var(--faint);
  font-family: var(--mono);
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.analyzed .url {
  display: block;
  margin-top: 2px;
  overflow: hidden;
  color: var(--ink);
  font-size: .92rem;
  font-weight: 750;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.analyzed .url:hover { color: var(--brand); }
.meta { margin-left: auto; color: var(--muted); font-family: var(--mono); font-size: .74rem; text-align: right; }

.panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  box-shadow: 0 12px 32px rgba(48, 58, 50, .055);
}
.device-scores { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.device-panel { margin: 0; padding: 28px; }
.device-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.device-name { margin: 0; font-size: 1.45rem; letter-spacing: -.035em; }
.scores { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.gauge {
  min-width: 0;
  padding: 18px 10px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--paper-strong);
  text-align: center;
}
.gauge .ring { position: relative; width: 76px; height: 76px; margin: 0 auto 12px; }
.gauge svg { display: block; width: 76px; height: 76px; }
.gauge .val {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -.05em;
}
.gauge .name {
  overflow: hidden;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}
.gauge.g-good .val, .rating.r-good, .r-good .v { color: var(--success); }
.gauge.g-avg .val, .rating.r-avg, .r-avg .v { color: var(--warning); }
.gauge.g-poor .val, .rating.r-poor, .r-poor .v { color: var(--danger); }
.gauge.g-null .val { color: var(--faint); font-size: 1rem; }
.device-empty { margin: 0; padding: 20px; color: var(--muted); border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; }

.detail-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
  padding: 14px 18px;
}
.detail-label,
.section-sub {
  color: var(--faint);
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.segmented {
  display: inline-flex;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-strong);
}
.seg {
  min-height: 36px;
  padding: 0 14px;
  border: 0;
  color: var(--muted);
  background: transparent;
  font-family: var(--mono);
  font-size: .67rem;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
  cursor: pointer;
}
.seg + .seg { border-left: 1px solid var(--line); }
.seg.is-active { color: #fff; background: var(--brand-dark); }
html[data-theme="dark"] .seg.is-active { color: #1e2420; }

.field-block,
.lab-block,
.opps-block,
.diag-block { margin-top: 20px; padding: 28px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.section-head h2 { margin: 5px 0 0; font-size: 1.45rem; letter-spacing: -.035em; }

.cwv-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.cwv {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--paper-strong);
}
.cwv .k { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--muted); font-family: var(--mono); font-size: .69rem; font-weight: 800; letter-spacing: .08em; }
.cwv .badge { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); }
.cwv.r-good .badge { background: var(--success); }
.cwv.r-avg .badge { background: var(--warning); }
.cwv.r-poor .badge { background: var(--danger); }
.cwv .v { margin-top: 12px; font-size: 1.65rem; font-weight: 800; letter-spacing: -.045em; }
.cwv .full { margin-top: 5px; color: var(--faint); font-size: .76rem; line-height: 1.35; }
.field-note { margin: 16px 0 0; color: var(--muted); font-size: .82rem; }

.lab-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.lab {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--paper-strong);
}
.lab .k { color: var(--muted); font-family: var(--mono); font-size: .67rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.lab .v { margin-top: 7px; font-size: 1.35rem; font-weight: 800; letter-spacing: -.04em; }

.opps, .diags { margin: 0; padding: 0; list-style: none; }
.opps li, .diags li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}
.opps li:first-child, .diags li:first-child { border-top: 1px solid var(--line-soft); }
.opp-title, .diag-title { color: var(--ink); font-size: .9rem; font-weight: 650; }
.opp-sub, .diag-sub { margin-top: 3px; color: var(--faint); font-family: var(--mono); font-size: .72rem; }
.opp-save {
  flex: 0 0 auto;
  padding: 6px 9px;
  border-radius: 999px;
  color: var(--danger);
  background: var(--danger-soft);
  font-family: var(--mono);
  font-size: .69rem;
  font-weight: 800;
}
.diag-flag {
  flex: 0 0 auto;
  padding: 6px 9px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: .65rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.diag-flag.r-avg { color: #8e6218; background: var(--warning-soft); }
.diag-flag.r-poor { color: #9e4334; background: var(--danger-soft); }

.footer { flex: 0 0 auto; padding: 26px 0 40px; color: var(--faint); font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }

/* Login */
.login-page { display: grid; min-height: 100vh; place-items: center; padding: 24px; }
.login-page .login-shell { width: min(100%, 470px); }
.login-card {
  display: grid;
  gap: 12px;
  padding: clamp(30px, 7vw, 52px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}
.login-mark { margin-bottom: 22px; }
.login-card h1 { margin: 2px 0 0; font-size: clamp(2.5rem, 10vw, 4.4rem); line-height: .95; letter-spacing: -.06em; }
.login-card p { margin: 0 0 10px; color: var(--muted); }
.login-card label { color: var(--brand); font-family: var(--mono); font-size: .72rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.login-card input { min-height: 54px; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); background: var(--paper-strong); outline: none; }
.login-card input:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(95, 119, 102, .12); }
.login-card button { min-height: 54px; margin-top: 4px; border: 0; border-radius: var(--radius); color: #fff; background: var(--brand-dark); font-size: .78rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; cursor: pointer; }
html[data-theme="dark"] .login-card button { color: #1e2420; }
.login-error { padding: 10px 12px; border: 1px solid rgba(184, 94, 78, .36); border-radius: var(--radius); color: #8e3f33; background: var(--danger-soft); }

@media (max-width: 1180px) {
  .scan-console { grid-template-columns: 1fr; align-items: start; }
  .lab-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cwv-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .device-scores { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .shell { width: min(calc(100% - 30px), var(--shell)); }
  .topbar-label { display: none; }
  .page { padding-top: 28px; }
  .section-title { gap: 12px; }
  .scan-console { padding: 25px 20px; }
  .scan-row { grid-template-columns: 1fr; }
  .dashboard-meta { align-items: flex-start; flex-direction: column; gap: 12px; }
  .meta { margin-left: 0; text-align: left; }
  .analyzed .url { white-space: normal; overflow-wrap: anywhere; }
  .scores { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cwv-grid, .lab-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-head { align-items: flex-start; flex-direction: column; gap: 8px; }
  .device-panel, .field-block, .lab-block, .opps-block, .diag-block { padding: 24px 20px; }
}
@media (max-width: 480px) {
  .topbar-actions { gap: 12px; }
  .logout { font-size: .68rem; }
  .scan-console h2 { font-size: 2.4rem; }
  .device-head { align-items: flex-start; flex-direction: column; gap: 6px; }
  .cwv-grid, .lab-grid { grid-template-columns: 1fr; }
  .opps li, .diags li { align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .spinner { animation-duration: 2s; }
  * { transition: none !important; }
}