:root {
  --ink: #17202a;
  --muted: #647184;
  --line: #dfe6ef;
  --panel: rgba(255, 255, 255, 0.88);
  --paper: #f6f8fb;
  --blue: #075cff;
  --magenta: #c400ff;
  --cyan: #00a7c8;
  --green: #0b8f68;
  --amber: #bf7a00;
  --red: #c43d4b;
  --shadow: 0 24px 80px rgba(15, 32, 60, 0.13);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 14px;
  color: var(--ink);
  font-family: "Aptos", "Segoe UI Variable", "IBM Plex Sans", "Helvetica Neue", sans-serif;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(7, 92, 255, 0.12), transparent 34rem),
    radial-gradient(circle at 88% 10%, rgba(196, 0, 255, 0.12), transparent 28rem),
    linear-gradient(180deg, #ffffff 0%, var(--paper) 48%, #eef3f9 100%);
}

body.is-busy {
  cursor: progress;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

code,
.hex-grid,
.symbol-meta {
  font-family: "Cascadia Code", "Berkeley Mono", "SFMono-Regular", Consolas, monospace;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid rgba(223, 230, 239, 0.78);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  gap: 0.8rem;
  align-items: center;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 38px;
  border-radius: 14px;
  overflow: hidden;
  background: #07101e;
  box-shadow: 0 14px 35px rgba(7, 92, 255, 0.22);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand strong,
.footer-logo {
  display: block;
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(0.8rem, 2vw, 1.6rem);
  color: #354153;
  font-size: 0.92rem;
}

.main-nav a {
  position: relative;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.4rem;
  left: 0;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, var(--blue), var(--magenta));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.header-cta,
.primary-link,
.button.primary {
  border: 0;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--magenta));
  box-shadow: 0 16px 42px rgba(7, 92, 255, 0.25);
}

.header-cta {
  padding: 0.76rem 1rem;
  border-radius: 999px;
  font-weight: 800;
  white-space: nowrap;
}

main {
  width: min(1440px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  min-height: 720px;
  padding: clamp(3rem, 8vw, 7rem) 0 4rem;
}

.hero-copy h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.7rem, 7vw, 6.7rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
}

.lead {
  max-width: 760px;
  color: #3d4b5d;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.65;
}

.eyebrow,
.section-label {
  margin: 0 0 0.55rem;
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-actions,
.form-actions,
.workspace-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.primary-link,
.secondary-link,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.78rem 1.1rem;
  border-radius: 999px;
  font-weight: 850;
  cursor: pointer;
}

.secondary-link,
.button.ghost,
.button.small {
  border: 1px solid var(--line);
  color: #263246;
  background: rgba(255, 255, 255, 0.72);
}

.button.small {
  min-height: 40px;
  padding: 0.58rem 0.8rem;
}

.button:disabled,
input:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.trust-strip span {
  padding: 0.55rem 0.8rem;
  border: 1px solid rgba(7, 92, 255, 0.14);
  border-radius: 999px;
  color: #31435c;
  background: rgba(255, 255, 255, 0.68);
}

.upload-card,
.panel,
.security-note {
  border: 1px solid rgba(223, 230, 239, 0.86);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.upload-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.3rem, 3vw, 2rem);
}

.upload-card::before {
  position: absolute;
  inset: 0;
  height: 6px;
  content: "";
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--magenta));
}

.card-header,
.panel-heading,
.workspace-header,
.panel-heading.split,
.security-note {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  min-width: 0;
}

.card-header h2,
.panel-heading h3,
.workspace-header h2,
.security-note h2 {
  margin: 0;
  letter-spacing: -0.05em;
}

.api-pill {
  padding: 0.44rem 0.68rem;
  border-radius: 999px;
  color: var(--red);
  background: rgba(196, 61, 75, 0.1);
  font-size: 0.78rem;
  font-weight: 900;
}

.api-pill.ok {
  color: var(--green);
  background: rgba(11, 143, 104, 0.1);
}

.file-field,
.patch-form label {
  display: grid;
  gap: 0.45rem;
  margin-top: 1rem;
  color: #354153;
  font-size: 0.9rem;
  font-weight: 800;
}

.compact-field {
  max-width: 240px;
}

.file-field small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1.35;
}

.privacy-hint {
  margin: 0.85rem 0 0;
  padding: 0.72rem 0.86rem;
  border: 1px solid rgba(11, 143, 104, 0.18);
  border-radius: 16px;
  color: #245247;
  background: rgba(11, 143, 104, 0.08);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.45;
}

.file-field input,
.patch-form input,
.patch-form select,
.search-input,
.address-jump input,
.address-jump select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0.82rem 0.9rem;
  color: var(--ink);
  background: #ffffff;
  outline: none;
}

.file-field input:focus,
.patch-form input:focus,
.patch-form select:focus,
.search-input:focus,
.address-jump input:focus,
.address-jump select:focus {
  border-color: rgba(7, 92, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(7, 92, 255, 0.1);
}

.hint,
.empty {
  color: var(--muted);
  line-height: 1.55;
}

.security-note {
  align-items: center;
  margin: 0 0 1.5rem;
  padding: clamp(1.2rem, 3vw, 2rem);
}

.security-note p {
  max-width: 760px;
  margin: 0;
  color: #445166;
  line-height: 1.6;
}

.workspace {
  padding: 2rem 0 5rem;
}

.workspace-header {
  align-items: center;
  margin-bottom: 1rem;
}

.status-bar {
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(7, 92, 255, 0.14);
  border-radius: 18px;
  color: #22324a;
  background: rgba(255, 255, 255, 0.72);
}

.dashboard-grid,
.editor-grid,
.bottom-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.dashboard-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
}

.editor-grid {
  grid-template-columns: minmax(0, 1fr) 390px;
}

.bottom-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel {
  padding: clamp(1rem, 2vw, 1.4rem);
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 55px rgba(15, 32, 60, 0.09);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.metric {
  min-height: 90px;
  padding: 1rem;
  border: 1px solid rgba(223, 230, 239, 0.8);
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff, #f7faff);
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  margin-top: 0.55rem;
  overflow-wrap: anywhere;
  font-size: 1.25rem;
  letter-spacing: -0.04em;
}

.metric small {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.range-list,
.symbol-list,
.diagnostics,
.patch-history,
.capability-list {
  display: grid;
  gap: 0.6rem;
  max-height: 380px;
  margin-top: 1rem;
  overflow: auto;
  padding-right: 0.25rem;
}

.range-button,
.symbol-row {
  display: flex;
  width: 100%;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  border: 1px solid rgba(223, 230, 239, 0.9);
  border-radius: 16px;
  padding: 0.76rem 0.85rem;
  color: #243247;
  background: #ffffff;
  text-align: left;
  cursor: pointer;
}

.range-button span,
.symbol-row > span:first-child {
  min-width: 0;
  overflow-wrap: anywhere;
}

.memory-explainer,
.hex-note {
  padding: 0.82rem 0.95rem;
  border: 1px solid rgba(7, 92, 255, 0.14);
  border-radius: 16px;
  color: #31435c;
  background: rgba(7, 92, 255, 0.06);
  line-height: 1.5;
}

.range-button:hover,
.symbol-row:hover {
  border-color: rgba(7, 92, 255, 0.38);
  transform: translateY(-1px);
}

.symbol-row strong,
.symbol-row small {
  display: block;
}

.symbol-row small {
  margin-top: 0.22rem;
  color: var(--muted);
}

.symbol-meta {
  display: grid;
  gap: 0.25rem;
  justify-items: end;
  min-width: max-content;
  font-size: 0.76rem;
}

.symbol-meta b {
  padding: 0.18rem 0.45rem;
  border-radius: 999px;
  color: var(--green);
  background: rgba(11, 143, 104, 0.1);
  white-space: nowrap;
}

.symbol-row.locked .symbol-meta b {
  color: var(--amber);
  background: rgba(191, 122, 0, 0.1);
}

.search-input {
  max-width: 260px;
}

.symbol-tools {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.symbol-tools select {
  max-width: 170px;
}

.hex-panel {
  min-width: 0;
}

.address-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.address-jump input {
  min-width: 13rem;
}

.address-jump select {
  max-width: 105px;
}

.address-jump button {
  flex: 0 0 auto;
}

.hex-grid {
  max-height: 560px;
  margin-top: 1rem;
  overflow: auto;
  border: 1px solid #d8e1ed;
  border-radius: 18px;
  background: #101a28;
  color: #dce9ff;
}

.hex-grid .empty,
.hex-error {
  margin: 0;
  padding: 1rem;
  color: #c8d8ee;
}

.hex-error {
  display: grid;
  gap: 0.4rem;
  border-left: 4px solid var(--amber);
}

.hex-error strong {
  color: #ffd28a;
}

.hex-error small {
  color: #a5b3c7;
}

.hex-note {
  display: flex;
  position: sticky;
  top: 0;
  z-index: 1;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0;
  color: #c8d8ee;
  background: #152235;
}

.hex-note strong {
  color: #8db6ff;
}

.hex-note.empty-window strong {
  color: #ffd28a;
}

.hex-note > span {
  flex: 1 1 360px;
}

.hex-pager {
  display: flex;
  flex: 0 0 auto;
  gap: 0.4rem;
  margin-left: auto;
}

.hex-pager button {
  border: 1px solid rgba(141, 182, 255, 0.28);
  border-radius: 999px;
  padding: 0.32rem 0.65rem;
  color: #dce9ff;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
}

.hex-pager button:hover:not(:disabled) {
  border-color: rgba(141, 182, 255, 0.65);
  background: rgba(141, 182, 255, 0.18);
}

.hex-pager button:disabled {
  color: #66758a;
  cursor: not-allowed;
}

.hex-row {
  display: grid;
  grid-template-columns: 118px minmax(540px, 1fr) 150px;
  gap: 1rem;
  align-items: center;
  padding: 0.42rem 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.86rem;
}

.hex-address {
  color: #8db6ff;
}

.hex-bytes {
  display: grid;
  grid-template-columns: repeat(16, 2.4ch);
  gap: 0.35rem;
}

.hex-bytes button {
  border: 0;
  border-radius: 5px;
  padding: 0.12rem 0.08rem;
  color: #e8f1ff;
  background: transparent;
  cursor: pointer;
}

.hex-bytes button:hover:not(:disabled) {
  color: #ffffff;
  background: rgba(0, 167, 200, 0.35);
}

.hex-bytes button:disabled {
  color: #536174;
}

.hex-ascii {
  color: #a5b3c7;
}

.selected-symbol {
  display: grid;
  gap: 0.35rem;
  min-height: 118px;
  margin-top: 0.9rem;
  padding: 1rem;
  border: 1px dashed rgba(7, 92, 255, 0.25);
  border-radius: 18px;
  color: #34445b;
  background: rgba(7, 92, 255, 0.04);
}

.selected-symbol strong {
  color: var(--ink);
}

.selected-symbol code {
  overflow-wrap: anywhere;
  color: var(--blue);
}

.divider {
  height: 1px;
  margin: 1.25rem 0;
  background: var(--line);
}

.diagnostic,
.patch-record,
.capability-item {
  display: grid;
  gap: 0.35rem;
  padding: 0.8rem;
  border-radius: 16px;
  background: #ffffff;
  border-left: 4px solid var(--blue);
}

.diagnostic.warning {
  border-left-color: var(--amber);
}

.diagnostic.error {
  border-left-color: var(--red);
}

.diagnostic small,
.patch-record small {
  color: var(--muted);
}

.patch-record em {
  color: var(--amber);
  font-size: 0.82rem;
  font-style: normal;
}

.capability-item {
  border-left-color: var(--green);
}

.capability-item.media {
  border-left-color: var(--cyan);
}

.capability-item span {
  width: max-content;
  padding: 0.15rem 0.48rem;
  border-radius: 999px;
  color: var(--green);
  background: rgba(11, 143, 104, 0.1);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.capability-item.media span {
  color: var(--cyan);
  background: rgba(0, 167, 200, 0.1);
}

.capability-item b {
  color: #29384f;
}

.capability-item small {
  color: var(--muted);
  line-height: 1.45;
}

.support-panel {
  display: grid;
  align-content: start;
  gap: 0.8rem;
}

.support-copy {
  margin: 0.35rem 0 0.8rem;
  color: var(--muted);
  line-height: 1.55;
}

.support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(260px, 1.4fr) repeat(3, minmax(180px, 1fr));
  gap: 2rem;
  padding: 4rem clamp(1rem, 5vw, 5rem) 2rem;
  color: #dbe7f7;
  background:
    radial-gradient(circle at 18% 0%, rgba(7, 92, 255, 0.45), transparent 25rem),
    linear-gradient(135deg, #101722, #172131 58%, #101722);
}

.footer-brand p {
  max-width: 520px;
  color: #aebed2;
  line-height: 1.65;
}

.footer-logo {
  font-size: 1.35rem;
  font-weight: 900;
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 0.55rem;
}

.footer-column h3 {
  margin: 0 0 0.5rem;
  color: #ffffff;
}

.footer-column a,
.footer-column span {
  color: #b7c7dc;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  grid-column: 1 / -1;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #90a5bf;
  font-size: 0.9rem;
}

@media (max-width: 1100px) {
  .site-header,
  .hero,
  .dashboard-grid,
  .editor-grid,
  .bottom-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .main-nav {
    justify-content: flex-start;
  }

  .header-cta {
    width: max-content;
  }

  .hero {
    min-height: auto;
  }

  .security-note {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  main {
    width: min(100% - 1rem, 1440px);
  }

  .site-header {
    position: static;
    padding: 1rem;
  }

  .main-nav {
    display: none;
  }

  .hero-copy h1 {
    font-size: clamp(2.35rem, 15vw, 4.4rem);
  }

  .upload-card,
  .panel,
  .security-note {
    border-radius: 22px;
  }

  .workspace-header,
  .card-header,
  .panel-heading.split,
  .symbol-tools,
  .address-jump {
    flex-direction: column;
  }

  .address-jump,
  .address-jump input,
  .address-jump select,
  .address-jump button {
    width: 100%;
    max-width: none;
  }

  .hex-note {
    align-items: stretch;
  }

  .hex-pager {
    width: 100%;
    margin-left: 0;
  }

  .hex-pager button {
    flex: 1;
  }

  .symbol-tools,
  .symbol-tools .search-input {
    width: 100%;
    max-width: none;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .hex-row {
    grid-template-columns: 96px minmax(420px, 1fr) 120px;
    font-size: 0.75rem;
  }

  .site-footer {
    padding: 3rem 1rem 2rem;
  }
}