:root {
  color-scheme: light;
  --panel: #434a54;
  --panel-deep: #343b45;
  --paper: #ffffff;
  --paper-soft: #f3f5f7;
  --ink: #333333;
  --muted: #69717d;
  --line: #d7dce2;
  --accent: #2f80b7;
  --accent-dark: #215b84;
  --success: #4c7a56;
  --warning: #a76519;
  --shadow: 0 18px 42px rgba(31, 38, 46, 0.12);
  --radius: 8px;
  --sidebar: 292px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --panel: #39414d;
  --panel-deep: #252b34;
  --paper: #171b21;
  --paper-soft: #202631;
  --ink: #f2f4f6;
  --muted: #b8c0ca;
  --line: #3a4350;
  --accent: #78b7e4;
  --accent-dark: #a6d2ef;
  --success: #9bd19f;
  --warning: #e7b56a;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper-soft);
  color: var(--ink);
  font-family: "Source Sans Pro", "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
  letter-spacing: 0;
}

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

button,
input {
  font: inherit;
  letter-spacing: 0;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 3px;
}

.app-shell {
  min-height: 100svh;
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
}

.profile-panel {
  position: sticky;
  top: 0;
  height: 100svh;
  display: flex;
  flex-direction: column;
  gap: 22px;
  overflow-y: auto;
  background: var(--panel);
  color: #ffffff;
  padding: 28px 22px;
}

.profile-card {
  display: grid;
  justify-items: center;
  gap: 7px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  text-align: center;
}

.profile-photo {
  width: 132px;
  height: 132px;
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, 0.86);
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}

.profile-name {
  margin-top: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1.1;
}

.profile-role {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.94rem;
}

.side-nav {
  display: grid;
  gap: 8px;
}

.nav-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  grid-template-areas:
    "icon title"
    "icon sub";
  gap: 0 10px;
  min-height: 54px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 9px 10px;
  background: rgba(255, 255, 255, 0.04);
  transition: background 180ms ease, transform 180ms ease, border-color 180ms ease;
}

.nav-item:hover,
.nav-item.is-active {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.32);
  transform: translateX(3px);
}

.nav-item span {
  grid-area: icon;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.14);
  font-size: 0.78rem;
  font-weight: 800;
}

.nav-item strong {
  grid-area: title;
  font-size: 0.98rem;
}

.nav-item small {
  grid-area: sub;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.78rem;
}

.panel-block {
  display: grid;
  gap: 8px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  overflow-wrap: anywhere;
}

.block-label,
.kicker,
.project-type {
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.panel-block .block-label {
  color: rgba(255, 255, 255, 0.68);
}

.panel-block a {
  color: rgba(255, 255, 255, 0.92);
}

.main-shell {
  min-width: 0;
}

.topbar {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  min-height: 82px;
  padding: 18px 34px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(16px);
}

.topbar h1 {
  margin: 2px 0 0;
  color: var(--ink);
  font-size: 1.9rem;
  line-height: 1;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.status-pill,
.private-label {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border: 1px solid color-mix(in srgb, var(--warning) 48%, var(--line));
  border-radius: var(--radius);
  padding: 6px 10px;
  color: var(--warning);
  background: color-mix(in srgb, var(--warning) 9%, transparent);
  font-weight: 800;
  white-space: nowrap;
}

.icon-button,
.theme-toggle,
.button,
.filter-button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font-weight: 800;
}

.icon-button,
.button,
.filter-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 40px;
  padding: 0;
}

.theme-toggle span {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--panel);
  box-shadow: inset -6px -4px 0 var(--paper);
}

html[data-theme="dark"] .theme-toggle span {
  background: #ffffff;
  box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.12);
}

.workspace {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 34px 0 58px;
}

.overview-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 18px;
  margin-bottom: 18px;
}

.hero-copy,
.stat-grid article,
.control-bar,
.skill-card,
.project-card,
.timeline-item,
.wide-card,
.empty-state {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}


.skill-card:hover,
.project-card:hover,
.timeline-item:hover,
.wide-card:hover,
.code-card:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  transform: translateY(-2px);
}
.hero-copy {
  padding: 28px;
}

.hero-copy h2 {
  margin: 6px 0 16px;
  font-size: 2.3rem;
  line-height: 1.04;
}

.hero-copy p,
.skill-card p,
.project-card p,
.document-row span {
  margin: 8px 0 0;
  color: var(--muted);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stat-grid article {
  display: grid;
  align-content: center;
  min-height: 118px;
  padding: 18px;
}

.stat-grid strong {
  color: var(--panel);
  font-size: 1.28rem;
}

html[data-theme="dark"] .stat-grid strong {
  color: var(--accent);
}

.stat-grid span {
  color: var(--muted);
}

.control-bar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
  padding: 16px;
}

.search-box {
  display: grid;
  gap: 6px;
  width: min(420px, 100%);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.search-box input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-soft);
  color: var(--ink);
  padding: 10px 12px;
}

.filter-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.filter-button.is-active {
  border-color: var(--panel);
  background: var(--panel);
  color: #ffffff;
}

.page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 315px), 1fr));
  align-items: stretch;
  gap: 16px;
}

.skill-card,
.project-card,
.wide-card,
.empty-state {
  padding: 22px;
}

.skill-card h3,
.project-card h3,
.wide-card h3 {
  margin: 0;
  font-size: 1.22rem;
  line-height: 1.2;
}

.wide-card,
.project-card,
.timeline-item,
.empty-state {
  grid-column: 1 / -1;
}

.profile-summary {
  border-left: 5px solid var(--panel);
}

.clean-list {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.clean-list li + li {
  margin-top: 8px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 16px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-soft);
  color: var(--panel);
  padding: 5px 9px;
  font-size: 0.78rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

html[data-theme="dark"] .tag-pill {
  color: var(--accent);
}

.tag-pill small {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
}

.tag-link,
.copy-code,
.source-links a {
  transition: border-color 180ms ease, color 180ms ease, transform 180ms ease, background 180ms ease;
}

.tag-link:hover,
.source-links a:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  transform: translateY(-1px);
}

.tag-pending {
  border-color: color-mix(in srgb, var(--warning) 55%, var(--line));
  color: var(--warning);
  background: color-mix(in srgb, var(--warning) 10%, var(--paper));
}

.academic-status {
  display: grid;
  gap: 16px;
  border-left: 5px solid var(--accent);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.status-grid div,
.pending-block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-soft);
  padding: 14px;
}

.status-grid strong,
.pending-block > strong {
  display: block;
  margin-bottom: 6px;
}

.status-grid span,
.academic-status p,
.code-overview p,
.test-line span {
  color: var(--muted);
}

.code-overview {
  position: relative;
  overflow: hidden;
  border-left: 5px solid var(--panel);
}

.code-overview::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--panel), var(--accent), var(--success));
}

.code-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  gap: 16px;
}

.code-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--panel);
  color: #ffffff;
}

.code-header span {
  font-weight: 900;
}

.copy-code {
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  padding: 6px 10px;
  font-size: 0.78rem;
  font-weight: 900;
}

.copy-code:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: translateY(-1px);
}

.code-body {
  padding: 18px;
}

.code-body h3 {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.2;
}

.code-body p {
  margin: 8px 0 0;
  color: var(--muted);
}

.code-card pre {
  margin: 0;
  max-width: 100%;
  max-height: 360px;
  overflow: auto;
  background: #111820;
  color: #f4f7fb;
  padding: 18px;
  font-family: "Cascadia Code", Consolas, "Courier New", monospace;
  font-size: 0.8rem;
  line-height: 1.5;
  tab-size: 2;
}

.code-card code {
  white-space: pre;
}

.test-line {
  display: grid;
  gap: 6px;
  border-top: 1px solid var(--line);
  background: var(--paper-soft);
  padding: 14px 18px 16px;
}

.test-line strong {
  color: var(--panel);
}

html[data-theme="dark"] .test-line strong {
  color: var(--accent);
}
.project-card {
  display: grid;
  gap: 14px;
}

.project-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding-top: 6px;
}

.project-columns strong {
  display: block;
  margin-bottom: 8px;
}

.timeline-item {
  overflow: hidden;
}

.timeline-item summary {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) 160px;
  gap: 14px;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
}

.timeline-item summary::-webkit-details-marker {
  display: none;
}

.timeline-item summary span,
.timeline-item summary small {
  color: var(--muted);
}

.timeline-item[open] summary {
  border-bottom: 1px solid var(--line);
  background: var(--paper-soft);
}

.timeline-item .clean-list {
  padding: 6px 24px 20px 40px;
}

.document-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.document-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
}

.document-row div {
  display: grid;
  gap: 4px;
}

.button {
  color: #ffffff;
  background: var(--panel);
  border-color: var(--panel);
  white-space: nowrap;
}

.empty-state {
  color: var(--muted);
}

@supports (view-transition-name: root) {
  ::view-transition-group(root) {
    animation-timing-function: linear(0 0%, 0.0085 31.26%, 0.0167 40.94%, 0.0289 48.86%, 0.0471 55.92%, 0.0717 61.99%, 0.1038 67.32%, 0.1443 72.07%, 0.1989 76.7%, 0.2659 80.89%, 0.3465 84.71%, 0.4419 88.22%, 0.554 91.48%, 0.6835 94.51%, 0.8316 97.34%, 1 100%);
  }

  ::view-transition-new(root) {
    mask: url("https://media.tenor.com/cyORI7kwShQAAAAi/shigure-ui-dance.gif") center / 0 no-repeat;
    animation: theme-gif-scale 3s both;
  }

  ::view-transition-old(root),
  .dark::view-transition-old(root) {
    animation: theme-gif-scale 3s both;
  }

  @keyframes theme-gif-scale {
    0% { mask-size: 0; }
    10% { mask-size: 50vmax; }
    90% { mask-size: 50vmax; }
    100% { mask-size: 2000vmax; }
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1080px) {
  :root {
    --sidebar: 250px;
  }

  .overview-hero {
    grid-template-columns: 1fr;
  }

  .skill-card {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .profile-panel {
    position: static;
    height: auto;
  }

  .side-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .top-actions {
    justify-content: flex-start;
  }

  .workspace {
    width: min(100% - 28px, 1180px);
    padding-top: 22px;
  }

  .control-bar,
  .document-row {
    align-items: stretch;
    flex-direction: column;
  }

  .filter-group {
    justify-content: flex-start;
  }

  .project-columns,
  .timeline-item summary,
  .status-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 540px) {
  .side-nav {
    grid-template-columns: 1fr;
  }

  .profile-panel,
  .topbar,
  .hero-copy,
  .skill-card,
  .project-card,
  .wide-card,
  .code-body,
  .test-line {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-copy h2 {
    font-size: 1.8rem;
  }
  .code-header {
    align-items: stretch;
    flex-direction: column;
  }

  .copy-code {
    width: 100%;
  }

  .code-card pre {
    font-size: 0.74rem;
    padding: 14px;
  }
}

.source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.source-links a {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 7px 10px;
  color: var(--accent-dark);
  background: var(--paper-soft);
  font-weight: 800;
}

.curriculum-card {
  min-height: 250px;
}

.interest-card {
  border-left: 5px solid color-mix(in srgb, var(--accent) 70%, var(--panel));
}
.enterprise-overview {
  border-left: 5px solid var(--success);
}

.enterprise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 245px), 1fr));
  gap: 12px;
  margin-top: 16px;
}

.signal-card {
  display: grid;
  gap: 7px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-soft);
  padding: 14px;
}

.signal-card span {
  color: var(--accent-dark);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.signal-card strong {
  font-size: 1rem;
}

.signal-card p {
  margin: 0;
  color: var(--muted);
}

.code-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.copy-code,
.result-code {
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  padding: 6px 10px;
  font-size: 0.78rem;
  font-weight: 900;
}

.copy-code:hover,
.result-code:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: translateY(-1px);
}

.result-code {
  background: color-mix(in srgb, var(--accent) 42%, transparent);
}

.result-panel {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--success) 9%, var(--paper));
  padding: 16px 18px 18px;
}

.result-panel[hidden] {
  display: none;
}

.result-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.result-status strong {
  border: 1px solid color-mix(in srgb, var(--success) 55%, var(--line));
  border-radius: 999px;
  color: var(--success);
  background: color-mix(in srgb, var(--success) 10%, var(--paper));
  padding: 5px 9px;
  font-size: 0.78rem;
}

.result-status span,
.result-panel p {
  color: var(--muted);
}

.result-panel pre {
  margin: 0;
  overflow-x: auto;
  border-radius: var(--radius);
  background: #0d141b;
  color: #dff7e7;
  padding: 12px;
  font-family: "Cascadia Code", Consolas, "Courier New", monospace;
  font-size: 0.8rem;
  line-height: 1.5;
}

@media (min-width: 1440px) {
  .workspace {
    width: min(1320px, calc(100% - 72px));
  }

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

@media (max-width: 700px) {
  .top-actions {
    width: 100%;
  }

  .top-actions .icon-button,
  .top-actions .theme-toggle {
    flex: 1 1 74px;
  }

  .filter-button {
    flex: 1 1 calc(50% - 8px);
  }

  .code-actions {
    width: 100%;
  }

  .code-actions button {
    flex: 1 1 130px;
  }
}

@media (max-width: 420px) {
  .workspace {
    width: min(100% - 18px, 1180px);
  }

  .topbar {
    padding: 14px 18px;
  }

  .profile-photo {
    width: 108px;
    height: 108px;
  }

  .filter-button {
    flex-basis: 100%;
  }

  .tag-pill {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .code-card pre,
  .result-panel pre {
    font-size: 0.72rem;
  }
}
/* App interactions: nav drawer, scroll, modal and animated portfolio surface */
.scroll-progress {
  position: fixed;
  z-index: 90;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  pointer-events: none;
  background: color-mix(in srgb, var(--line) 35%, transparent);
}

.scroll-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--panel), var(--accent), var(--success));
  transition: width 120ms linear;
}

.app-shell {
  display: block;
}

.profile-panel {
  position: fixed;
  z-index: 70;
  inset: 0 auto 0 0;
  width: min(360px, calc(100vw - 24px));
  height: 100svh;
  transform: translateX(-105%);
  transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 260ms ease;
  box-shadow: 28px 0 60px rgba(19, 27, 35, 0);
}

body.menu-open .profile-panel {
  transform: translateX(0);
  box-shadow: 28px 0 60px rgba(19, 27, 35, 0.28);
}

.drawer-backdrop,
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  border: 0;
  background: rgba(20, 27, 35, 0.46);
  backdrop-filter: blur(7px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

body.menu-open .drawer-backdrop {
  opacity: 1;
  pointer-events: auto;
}

body.menu-open,
body.modal-open {
  overflow: hidden;
}

.drawer-close {
  min-height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-weight: 900;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  padding: 8px 12px;
  font-weight: 900;
  box-shadow: 0 8px 22px rgba(31, 38, 46, 0.08);
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor;
}

.menu-toggle:hover,
.icon-button:hover,
.theme-toggle:hover,
.filter-button:hover,
.button:hover {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--line));
  transform: translateY(-1px);
}

.topbar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.topbar-heading {
  min-width: 0;
}

.language-button {
  min-width: 42px;
}

.hero-copy {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.hero-copy::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  z-index: -1;
  height: 5px;
  background: linear-gradient(90deg, var(--panel), var(--accent), var(--success));
}

.hero-visual {
  position: relative;
  min-height: 280px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 25% 18%, color-mix(in srgb, var(--accent) 24%, transparent), transparent 34%),
    linear-gradient(145deg, color-mix(in srgb, var(--paper) 88%, var(--accent)), var(--paper-soft));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 28px;
  border: 1px solid color-mix(in srgb, var(--accent) 44%, transparent);
  border-radius: 50%;
  transform: rotate(12deg);
}

.hero-visual::after {
  inset: 58px;
  border-color: color-mix(in srgb, var(--success) 38%, transparent);
  transform: rotate(-18deg);
}

.orbital-frame {
  position: absolute;
  inset: 24px;
  display: grid;
  place-items: center;
}

.orbital-frame img {
  position: relative;
  z-index: 2;
  width: 118px;
  height: 118px;
  object-fit: cover;
  border: 4px solid var(--paper);
  border-radius: 50%;
  box-shadow: 0 16px 36px rgba(31, 38, 46, 0.24);
}

.orbital-frame span {
  position: absolute;
  z-index: 3;
  min-width: 62px;
  border: 1px solid color-mix(in srgb, var(--accent) 50%, var(--line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  color: var(--panel);
  padding: 6px 9px;
  text-align: center;
  font-size: 0.73rem;
  font-weight: 900;
  transform: rotate(calc(var(--orbit-index) * 60deg)) translateX(112px) rotate(calc(var(--orbit-index) * -60deg));
  animation: float-chip 4.8s ease-in-out infinite;
  animation-delay: calc(var(--orbit-index) * -0.35s);
}

html[data-theme="dark"] .orbital-frame span {
  color: var(--accent);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
}

.tech-marquee {
  grid-column: 1 / -1;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 10px;
  padding: 12px;
  animation: marquee-move 34s linear infinite;
}

.marquee-track span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-soft);
  color: var(--panel);
  padding: 7px 12px;
  font-size: 0.78rem;
  font-weight: 900;
  white-space: nowrap;
}

html[data-theme="dark"] .marquee-track span {
  color: var(--accent);
}

.reveal {
  opacity: 0;
  transform: translateY(18px) scale(0.985);
  transition: opacity 520ms ease var(--reveal-delay, 0ms), transform 520ms ease var(--reveal-delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.modal-backdrop:not([hidden]) {
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 18px;
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: min(520px, 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 28px 80px rgba(12, 18, 24, 0.32);
  padding: 24px;
  transform-origin: center;
  animation: modal-pop 220ms ease-out both;
}

.modal-card h2 {
  margin: 6px 0 10px;
  font-size: 1.45rem;
  line-height: 1.12;
}

.modal-card p {
  margin: 0 0 18px;
  color: var(--muted);
}

.toast {
  position: fixed;
  z-index: 110;
  right: 18px;
  bottom: 18px;
  max-width: min(360px, calc(100vw - 36px));
  border: 1px solid color-mix(in srgb, var(--accent) 50%, var(--line));
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow);
  padding: 12px 14px;
  font-weight: 800;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.back-top {
  position: fixed;
  right: 18px;
  bottom: 76px;
  z-index: 80;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: #ffffff;
  padding: 8px 12px;
  font-weight: 900;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.back-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.result-panel:focus {
  outline: 3px solid color-mix(in srgb, var(--success) 55%, transparent);
  outline-offset: -3px;
}

@keyframes marquee-move {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes float-chip {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -8px; }
}

@keyframes modal-pop {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@supports (animation-timeline: scroll()) {
  .hero-visual::before {
    animation: parallax-spin both linear;
    animation-timeline: scroll(root);
  }

  .hero-visual::after {
    animation: parallax-shift both linear;
    animation-timeline: scroll(root);
  }

  @keyframes parallax-spin {
    from { transform: rotate(8deg) scale(0.96); }
    to { transform: rotate(44deg) scale(1.08); }
  }

  @keyframes parallax-shift {
    from { transform: translateY(-10px) rotate(-18deg); }
    to { transform: translateY(18px) rotate(22deg); }
  }
}

@media (max-width: 1080px) {
  .overview-hero {
    grid-template-columns: minmax(0, 1fr) minmax(250px, 0.75fr);
  }
}

@media (max-width: 820px) {
  .topbar {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    flex-direction: initial;
  }

  .top-actions {
    grid-column: 1 / -1;
    justify-content: stretch;
  }

  .profile-panel {
    position: fixed;
    height: 100svh;
  }

  .side-nav {
    grid-template-columns: 1fr;
  }

  .overview-hero {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 240px;
  }
}

@media (max-width: 640px) {
  .topbar {
    gap: 12px;
    padding: 14px 16px;
  }

  .topbar h1 {
    font-size: clamp(1.35rem, 8vw, 1.7rem);
  }

  .menu-toggle strong {
    display: none;
  }

  .top-actions .icon-button,
  .top-actions .theme-toggle,
  .top-actions .language-button {
    flex: 1 1 64px;
  }

  .hero-visual {
    min-height: 220px;
  }

  .orbital-frame span {
    transform: rotate(calc(var(--orbit-index) * 60deg)) translateX(88px) rotate(calc(var(--orbit-index) * -60deg));
  }

  .modal-card {
    padding: 20px;
  }
}

@media (max-width: 420px) {
  .profile-panel {
    width: min(326px, calc(100vw - 14px));
  }

  .menu-toggle,
  .icon-button,
  .theme-toggle,
  .button,
  .filter-button {
    min-height: 38px;
  }

  .hero-visual {
    min-height: 205px;
  }

  .orbital-frame img {
    width: 96px;
    height: 96px;
  }

  .orbital-frame span {
    min-width: 56px;
    padding: 5px 7px;
    font-size: 0.68rem;
    transform: rotate(calc(var(--orbit-index) * 60deg)) translateX(76px) rotate(calc(var(--orbit-index) * -60deg));
  }

  .toast,
  .back-top {
    right: 10px;
  }
}
.overview-hero > .stat-grid {
  grid-column: 1 / -1;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.drawer-backdrop {
  padding: 0;
  appearance: none;
}

@media (max-width: 1080px) {
  .overview-hero > .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .overview-hero > .stat-grid {
    grid-template-columns: 1fr;
  }
}

.learning-card {
  border-left: 5px solid var(--accent);
}

.learning-card p {
  color: var(--muted);
}