:root {
  --ink: #f5f1e8;
  --muted: rgba(245, 241, 232, 0.68);
  --line: rgba(245, 241, 232, 0.24);
  --panel: rgba(8, 10, 12, 0.38);
  --panel-strong: rgba(8, 10, 12, 0.62);
  --accent: #f2b441;
  --danger: #ff6b5f;
  --bg: #060708;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: "Bahnschrift", "DIN Alternate", "Agency FB", sans-serif;
  background:
    radial-gradient(circle at 72% 18%, rgba(242, 180, 65, 0.18), transparent 28rem),
    linear-gradient(145deg, #030405 0%, #151719 52%, #050607 100%);
  overflow-x: hidden;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 90px);
  mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
}

.brand-backdrop {
  position: fixed;
  inset: -10vh -8vw;
  background: url("/static/logo.png") center / min(86vw, 920px) auto no-repeat;
  opacity: 0.18;
  filter: grayscale(1) contrast(1.22);
  transform: skewX(-3deg) scale(1.04);
  animation: transit 9s ease-in-out infinite alternate;
  pointer-events: none;
}

.brand-backdrop.small { opacity: 0.08; background-position: right 8vw top 12vh; }

@keyframes transit {
  from { transform: translate3d(-1.2vw, 0, 0) skewX(-3deg) scale(1.04); }
  to { transform: translate3d(1.2vw, -1vh, 0) skewX(-3deg) scale(1.08); }
}

.login-screen { display: grid; place-items: center; padding: 24px; }
.login-shell { width: min(440px, 100%); position: relative; z-index: 1; }
.login-panel {
  padding: clamp(28px, 6vw, 52px);
  background: linear-gradient(135deg, rgba(5,6,7,0.34), rgba(5,6,7,0.68));
  border: 1px solid var(--line);
  border-radius: 0;
  box-shadow: 0 40px 90px rgba(0,0,0,0.45);
  backdrop-filter: blur(18px) saturate(120%);
  animation: enter 700ms cubic-bezier(.2,.8,.2,1) both;
}

@keyframes enter { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }

.mark-line { width: 92px; height: 2px; background: var(--accent); margin-bottom: 34px; }
h1 { font-size: clamp(34px, 8vw, 58px); line-height: 0.88; letter-spacing: -0.07em; margin: 0; text-transform: uppercase; }
p { color: var(--muted); line-height: 1.5; margin: 18px 0 34px; }
.copyright {
  margin: 16px 0 0;
  color: rgba(245, 241, 232, 0.48);
  font-size: 12px;
  letter-spacing: .18em;
  text-align: center;
  text-transform: uppercase;
}
.legal-links, .workspace-legal {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.legal-links a, .workspace-legal a {
  color: rgba(245, 241, 232, 0.58);
  text-decoration: none;
}
.legal-links a:hover, .workspace-legal a:hover { color: var(--accent); }
.legal-page {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 32px));
  margin: 12vh auto;
  padding: clamp(26px, 6vw, 56px);
  border: 1px solid var(--line);
  background: var(--panel-strong);
  backdrop-filter: blur(18px);
}
.legal-page a { color: var(--accent); }
.legal-page ul {
  margin: 28px 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}
.legal-page li + li { margin-top: 12px; }
.legal-page .backlink {
  display: inline-block;
  margin-top: 18px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .14em;
}
form { display: grid; gap: 16px; }
label span { display: block; margin-bottom: 8px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .18em; }
input, button {
  width: 100%;
  border-radius: 0;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.045);
  color: var(--ink);
  padding: 15px 16px;
  font: inherit;
  outline: none;
}
textarea {
  width: 100%;
  min-height: 110px;
  border-radius: 0;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.045);
  color: var(--ink);
  padding: 15px 16px;
  font: inherit;
  outline: none;
  resize: vertical;
}
select {
  width: 100%;
  border-radius: 0;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.045);
  color: var(--ink);
  padding: 15px 16px;
  font: inherit;
  outline: none;
}
textarea:focus,
select:focus { border-color: var(--accent); box-shadow: inset 4px 0 0 var(--accent); }
option { background: #101214; color: var(--ink); }
input:focus { border-color: var(--accent); box-shadow: inset 4px 0 0 var(--accent); }
button { cursor: pointer; background: var(--ink); color: #070809; text-transform: uppercase; letter-spacing: .14em; font-weight: 800; transition: transform 160ms ease, background 160ms ease; }
button:hover { transform: translateY(-2px); background: var(--accent); }
.notice { border-left: 3px solid var(--accent); background: rgba(255,255,255,0.07); padding: 12px 14px; margin: 0 0 18px; color: var(--ink); }
.notice.error { border-color: var(--danger); }

.topbar { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px clamp(18px, 4vw, 64px); border-bottom: 1px solid var(--line); background: rgba(3,4,5,0.62); backdrop-filter: blur(18px); }
.brand { color: var(--ink); text-decoration: none; font-weight: 900; letter-spacing: -0.04em; font-size: clamp(18px, 3vw, 34px); }
.section-nav { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.section-nav a {
  color: var(--muted);
  border: 1px solid transparent;
  padding: 10px 12px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 12px;
}
.section-nav a:hover,
.section-nav a.active {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(255,255,255,0.045);
}
.ghost { width: auto; padding: 11px 14px; background: transparent; color: var(--ink); }
.workspace { position: relative; z-index: 1; width: min(1180px, calc(100% - 32px)); margin: 42px auto; }
.pathline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; color: var(--muted); margin-bottom: 28px; text-transform: uppercase; letter-spacing: .12em; font-size: 13px; }
a { color: var(--ink); }
.tools { display: grid; grid-template-columns: 1fr 360px; gap: 12px; margin-bottom: 26px; }
.tools form { display: flex; gap: 10px; background: var(--panel); border: 1px solid var(--line); padding: 12px; backdrop-filter: blur(16px); }
.tools button { width: auto; min-width: 120px; }
.file-table { border-top: 1px solid var(--line); background: var(--panel); backdrop-filter: blur(16px); }
.row { display: grid; grid-template-columns: 74px minmax(0, 1fr) 110px 92px; align-items: center; gap: 14px; padding: 15px 16px; min-height: 58px; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.row:hover { background: rgba(242,180,65,0.08); }
.type { color: var(--accent); font-size: 12px; letter-spacing: .18em; font-weight: 800; }
.filename { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-decoration: none; font-weight: 700; }
.text-button { width: auto; border: 0; padding: 8px 0; color: var(--muted); background: transparent; letter-spacing: .08em; }
.text-button:hover { color: var(--danger); transform: none; background: transparent; }
.text-button.danger { color: rgba(255, 107, 95, 0.78); }
.empty { padding: 34px 16px; color: var(--muted); }
.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.ecu-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: clamp(18px, 4vw, 48px);
  align-items: end;
  margin-bottom: 30px;
  padding: clamp(22px, 5vw, 48px);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(8,10,12,0.46), rgba(8,10,12,0.72));
  backdrop-filter: blur(18px);
}
.ecu-hero h1 { max-width: 720px; }
.ecu-upload {
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.035);
}
.form-grid {
  display: grid;
  gap: 12px;
}
.form-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ecu-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}
.ecu-panel {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(16px);
}
.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 18px 16px;
  border-bottom: 1px solid var(--line);
}
.panel-heading h2 {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 28px);
  letter-spacing: -0.04em;
  text-transform: uppercase;
}
.file-table.compact { border-top: 0; background: transparent; }
.file-table.compact .row { grid-template-columns: 54px minmax(0, 1fr) 92px 86px; }
.ecu-card {
  border-bottom: 1px solid var(--line);
  padding: 18px;
}
.ecu-card:last-child { border-bottom: 0; }
.ecu-file-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}
.ecu-file-head > div {
  display: grid;
  gap: 8px;
  min-width: 0;
}
.ecu-file-head strong {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
}
.meta-form {
  gap: 14px;
}
.detected {
  border: 1px solid rgba(245, 241, 232, 0.16);
  background: rgba(0,0,0,0.18);
  padding: 12px;
}
.detected summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.detected pre {
  margin: 12px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  color: rgba(245, 241, 232, 0.72);
  font: 12px/1.45 Consolas, "Courier New", monospace;
}
.meta-actions,
.meta-secondary-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.meta-actions button,
.button-link {
  width: auto;
  min-width: 150px;
}
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.045);
  color: var(--ink);
  padding: 15px 16px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-weight: 800;
}
.button-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.meta-secondary-actions {
  justify-content: flex-end;
  margin-top: 10px;
}
.meta-secondary-actions form {
  display: inline;
}
.analysis-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  gap: clamp(18px, 4vw, 48px);
  align-items: end;
  margin-bottom: 22px;
  padding: clamp(22px, 5vw, 48px);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(8,10,12,0.46), rgba(8,10,12,0.72));
  backdrop-filter: blur(18px);
}
.analysis-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}
.analysis-panel {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(16px);
}
.analysis-panel.full { margin-bottom: 18px; }
.reference-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: 12px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}
.reference-form button {
  align-self: end;
}
.reference-summary {
  display: grid;
  gap: 6px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}
.reference-summary span {
  color: var(--muted);
}
.match-card {
  padding: 18px;
  border-bottom: 1px solid var(--line);
}
.match-card:last-child { border-bottom: 0; }
.analysis-facts,
.metadata-list {
  display: grid;
  gap: 10px;
  margin: 0;
}
.analysis-facts {
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.035);
}
.analysis-facts div,
.metadata-list div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}
.analysis-facts dt,
.metadata-list dt {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.analysis-facts dd,
.metadata-list dd {
  min-width: 0;
  margin: 0;
  word-break: break-word;
}
.hash {
  font: 12px/1.45 Consolas, "Courier New", monospace;
}
.metadata-list,
.identifier-group,
.region-list,
.string-list {
  padding: 18px;
}
.identifier-group {
  border-top: 1px solid var(--line);
}
.identifier-group h3 {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.identifier-group p {
  margin: 0;
  color: var(--ink);
}
.region-list,
.string-list {
  display: grid;
  gap: 10px;
}
.region-row {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid rgba(245, 241, 232, 0.14);
  background: rgba(0,0,0,0.15);
}
.region-row span {
  color: var(--muted);
}
.candidate-card {
  padding: 18px;
  border-top: 1px solid var(--line);
}
.candidate-card:first-of-type { border-top: 0; }
.candidate-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.candidate-head > div {
  display: grid;
  gap: 6px;
  min-width: 0;
}
.candidate-head span,
.axis-preview span {
  color: var(--muted);
}
.candidate-head b {
  color: var(--accent);
  font-size: 22px;
}
.candidate-label-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.candidate-label-meta span {
  border: 1px solid rgba(245, 241, 232, 0.14);
  background: rgba(255,255,255,0.035);
  color: var(--muted);
  padding: 7px 9px;
  font-size: 12px;
}
.axis-preview {
  display: grid;
  gap: 6px;
  margin: 14px 0;
  font: 12px/1.45 Consolas, "Courier New", monospace;
}
.matrix-preview {
  display: grid;
  gap: 6px;
  overflow-x: auto;
  padding: 12px;
  border: 1px solid rgba(245, 241, 232, 0.14);
  background: rgba(0,0,0,0.18);
}
.matrix-preview code,
.string-list code {
  font: 12px/1.45 Consolas, "Courier New", monospace;
}
.string-list div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}
.string-list span {
  color: var(--accent);
  font: 12px/1.45 Consolas, "Courier New", monospace;
}
.string-list code {
  white-space: pre-wrap;
  word-break: break-word;
}
.analysis-actions {
  justify-content: flex-end;
}

@media (max-width: 760px) {
  .tools, .row, .ecu-hero, .ecu-grid, .analysis-hero, .analysis-grid, .reference-form, .file-table.compact .row, .form-grid.two { grid-template-columns: 1fr; }
  .tools form { flex-direction: column; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .ghost { width: 100%; }
  .ecu-file-head, .meta-actions, .meta-secondary-actions, .candidate-head { align-items: stretch; flex-direction: column; }
  .meta-actions button, .button-link { width: 100%; }
  .analysis-facts div, .metadata-list div, .string-list div { grid-template-columns: 1fr; }
}