/* DubMetric web MVP styles (Mission 7B - premium real product UI).
 * Visual system mirrors the validated landing identity:
 * graphite stage, off-white ink, champagne accent. Presentation only;
 * every displayed value comes from the trusted QCReport payload. */

:root {
  color-scheme: dark;
  --bg: #08090b;
  --bg-soft: #0d0f12;
  --panel-solid: #121418;
  --panel-raised: #171a1f;
  --ink: #f4f1ea;
  --muted: #98999d;
  --muted-strong: #bebfc2;
  --line: rgba(244, 241, 234, 0.08);
  --champagne: #d8bd89;
  --champagne-soft: rgba(216, 189, 137, 0.12);
  --pass: #74c99c;
  --warn: #e0b461;
  --fail: #df7474;
  --neutral: #98999d;
}

* { box-sizing: border-box; }

html { height: 100%; }

body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1100px 640px at 82% 108%, #10131c 0%, transparent 62%),
    radial-gradient(900px 540px at 50% 118%, #14110b 0%, transparent 58%),
    var(--bg);
  color: var(--ink);
  font-family: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: 0.01em;
}

/* ---------------------------------------------------------------- layout */

.fold {
  min-height: 100vh;
  max-width: 1440px;
  margin: 0 auto;
  padding: clamp(24px, 4vw, 56px) clamp(20px, 3.2vw, 48px);
  display: grid;
  grid-template-columns: minmax(380px, 0.92fr) minmax(520px, 1.08fr);
  gap: clamp(28px, 4vw, 72px);
  align-items: center;
}

/* ------------------------------------------------------------------ hero */

.stage {
  position: relative;
  min-height: clamp(420px, calc(100vh - 128px), 860px);
  border-radius: 30px;
  background:
    radial-gradient(72% 52% at 68% 22%, rgba(216, 189, 137, 0.13) 0%, transparent 64%),
    radial-gradient(58% 46% at 26% 86%, rgba(112, 146, 176, 0.12) 0%, transparent 62%),
    linear-gradient(168deg, var(--panel-solid) 0%, #0e1014 58%, var(--bg-soft) 100%);
  box-shadow:
    inset 0 0 120px rgba(4, 5, 7, 0.55),
    0 30px 80px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.stage::after {
  /* subtle grounding light pool under the bust - no mirrored reflection */
  content: "";
  position: absolute;
  left: 50%;
  bottom: 7%;
  width: 46%;
  height: 34px;
  transform: translateX(-50%);
  background: radial-gradient(50% 100% at 50% 0%, rgba(0, 0, 0, 0.55) 0%, transparent 78%);
  pointer-events: none;
}

.brandline {
  position: absolute;
  top: 28px;
  left: 32px;
  z-index: 2;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--muted);
}

.bust-zone {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px 32px 44px;
}

.bust {
  width: auto;
  height: 92%;
  max-height: 700px;
  object-fit: contain;
  filter:
    drop-shadow(0 34px 44px rgba(0, 0, 0, 0.55))
    drop-shadow(0 8px 14px rgba(0, 0, 0, 0.45));
}

/* ---------------------------------------------------------- product side */

.side { display: flex; justify-content: center; }

.panel {
  width: 100%;
  max-width: 680px;
  padding: clamp(28px, 3.4vw, 48px) clamp(24px, 3vw, 52px) clamp(24px, 2.6vw, 40px);
}

.eyebrow {
  margin: 0 0 18px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--champagne);
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(30px, 2.6vw, 42px);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.14;
}

h1 span { color: #85878b; }

.lede {
  margin: 0 0 30px;
  color: var(--muted);
  font-size: 15px;
  max-width: 54ch;
}

/* ------------------------------------------------------------ drop zones */

.zones {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}

.zone {
  position: relative;
  display: block;
  cursor: pointer;
  background: var(--panel-raised);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px 22px;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.zone:hover,
.zone:focus-within {
  border-color: rgba(216, 189, 137, 0.35);
  background: #191d23;
}

.zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.zone-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.zone-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--muted);
}

.zone-name {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-top: 6px;
}

.zone-hint {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 2px;
}

.zone-filename {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--champagne);
  overflow-wrap: anywhere;
  min-height: 1em;
}

.zone.is-filled {
  border-color: rgba(116, 201, 156, 0.35);
  background: #171c1f;
}

.zone.is-filled .zone-hint { color: var(--pass); }

/* ------------------------------------------------------------------- CTA */

.cta-row { display: flex; align-items: center; gap: 16px; }

#analyze-btn,
.btn-primary {
  font: inherit;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #14161a;
  background: var(--ink);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 15px 34px;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
}

#analyze-btn:hover:not(:disabled),
.btn-primary:hover {
  filter: brightness(1.04);
  box-shadow: 0 6px 26px rgba(216, 189, 137, 0.22);
}

#analyze-btn:focus-visible,
.btn-primary:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: 3px;
}

#analyze-btn:disabled {
  background: rgba(244, 241, 234, 0.05);
  color: rgba(244, 241, 234, 0.38);
  border-color: var(--line);
  cursor: not-allowed;
}

.helper {
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.privacy-note {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.privacy-note a {
  color: var(--muted-strong);
}

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

.login-fold {
  grid-template-columns: minmax(360px, 560px);
  justify-content: center;
}

.login-side { justify-content: center; }

.login-form { margin-bottom: 6px; }

.login-field {
  display: block;
  margin-bottom: 20px;
}

.login-field input[type="password"] {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 13px 16px;
  font: inherit;
  color: var(--ink);
  background: var(--panel-raised);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.login-field input[type="password"]:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: 2px;
}

#error-box {
  margin: 16px 0 0;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(223, 116, 116, 0.1);
  border: 1px solid rgba(223, 116, 116, 0.35);
  color: var(--fail);
  font-size: 13.5px;
}

/* --------------------------------------------------------------- results */

#result { margin-top: 4px; }

.verdict {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 6px;
}

#status-word {
  font-size: clamp(34px, 2.9vw, 46px);
  font-weight: 650;
  letter-spacing: 0.02em;
  outline: none;
}

#status-label {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.verdict-pass #status-word { color: var(--pass); }
.verdict-warn #status-word { color: var(--warn); }
.verdict-fail #status-word { color: var(--fail); }
.verdict-inconclusive #status-word { color: var(--neutral); }

#inconclusive-note {
  margin: 4px 0 14px;
  font-size: 13px;
  color: var(--muted-strong);
}

.metrics {
  display: grid;
  gap: 14px;
  margin: 20px 0 22px;
}

.metric {
  background: var(--panel-raised);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px 22px;
}

.metric h2 {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted-strong);
}

.metric dl {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 20px;
  row-gap: 6px;
  margin: 0;
}

.metric dt { color: var(--muted); font-size: 13px; }

.metric dd {
  margin: 0;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
  text-align: right;
}

.metric dd.value {
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.metric dd.is-insufficient { color: var(--neutral); font-weight: 500; }

.metric.insufficient dd { color: var(--neutral); }

#a-ranges { margin: 0; padding-left: 18px; }
#a-ranges li { font-size: 13px; font-variant-numeric: tabular-nums; }

/* report actions */

.actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

.actions button {
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  background: var(--panel-raised);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 11px 22px;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.actions button:hover { border-color: rgba(216, 189, 137, 0.4); background: #191d23; }

.actions button:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: 3px;
}

#new-analysis-btn {
  color: var(--muted-strong);
  background: transparent;
}

.logout-form { display: contents; }

.btn-quiet {
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 11px 8px;
  transition: color 160ms ease;
}

.btn-quiet:hover { color: var(--fail); }

.btn-quiet:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: 3px;
}

footer {
  margin-top: 26px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  font-size: 12px;
  color: var(--muted);
}

footer p { margin: 4px 0; }

/* ---------------------------------------------------------------- motion */

.reveal {
  animation: reveal 220ms ease-out both;
}

@keyframes reveal {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

[hidden] { display: none !important; }

.hidden { display: none; }

/* ------------------------------------------------------------- responsive */

@media (max-width: 64rem) {
  .fold {
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: stretch;
    padding-top: 24px;
  }
  .stage { order: -1; min-height: 46vh; }
  .bust-zone { padding: 48px 24px 36px; }
  .bust { max-height: 46vh; }
  .side { justify-content: stretch; }
  .panel { max-width: none; }
}

@media (max-width: 30rem) {
  body { font-size: 14px; }
  .fold { padding: 16px 14px 24px; }
  .brandline { top: 20px; left: 22px; }
  .zone { padding: 14px 16px; border-radius: 16px; }
  .metric { padding: 14px 16px; border-radius: 16px; }
  .metric dl { grid-template-columns: 1fr; }
  .metric dd { text-align: left; }
  #analyze-btn,
.btn-primary { width: 100%; }
}

/* --- Legal pages (LEGAL-1): sober, reuses existing identity --- */
.legal-fold { padding-top: 72px; }
.legal-panel { max-width: 46rem; text-align: left; }
.legal-body h2 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 22px 0 6px;
}
.legal-body p { margin: 6px 0; }
.legal-list { margin: 10px 0 0; padding-left: 20px; }
.legal-list li { margin: 7px 0; }
.legal-body a { color: #d8bd89; }
.back-note { margin-top: 26px; }