* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.5;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }

:root {
  --bg: #07070b;
  --surface: rgba(255,255,255,0.06);
  --surface2: rgba(255,255,255,0.10);
  --text: #ffffff;
  --muted: rgba(255,255,255,0.72);
  --border: rgba(255,255,255,0.12);
  --accent: #a78bfa;
  --accent2: #22d3ee;
  --shadow: 0 18px 45px rgba(0,0,0,0.45);
}

:root[data-theme="light"] {
  --bg: #f6f3ff;
  --surface: rgba(10,15,20,0.06);
  --surface2: rgba(10,15,20,0.10);
  --text: #0a0f14;
  --muted: rgba(10,15,20,0.70);
  --border: rgba(10,15,20,0.14);
  --accent: #6d28d9;
  --accent2: #0891b2;
  --shadow: 0 14px 30px rgba(10,15,20,0.12);
}

body {
  background: var(--bg);
  color: var(--text);
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand {
  font-weight: 900;
  font-size: 20px;
  letter-spacing: .4px;
}

.topnav {
  display: flex;
  gap: 16px;
}

.topnav a {
  color: var(--muted);
  font-weight: 700;
}

.topnav a:hover {
  color: var(--text);
}

.layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 22px;
  padding: 22px 0 60px;
}

.profile__card {
  position: sticky;
  top: 86px;
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--surface2), var(--surface));
  box-shadow: var(--shadow);
}

.profile__media {
  position: relative;
}

.profile__media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.profile__badge {
  position: absolute;
  left: 16px;
  top: 16px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.35);
  color: var(--text);
  font-weight: 800;
}

.profile__body {
  padding: 16px;
}

.profile__name {
  margin: 0;
  font-size: 24px;
}

.profile__role {
  margin: 6px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.profile__bio {
  margin: 12px 0 0;
  color: var(--muted);
}

.profile__links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.chip {
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  font-weight: 800;
  color: var(--text);
}

.content {
  min-width: 0;
}

.hero,
.card,
.project-item,
.repo-card,
.controls,
.summary-card {
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(180deg, var(--surface2), var(--surface));
  box-shadow: var(--shadow);
}

.hero {
  padding: 22px;
  background:
    radial-gradient(800px 300px at 60% 10%, rgba(167,139,250,0.22), transparent 60%),
    radial-gradient(700px 280px at 85% 60%, rgba(34,211,238,0.14), transparent 60%),
    linear-gradient(180deg, var(--surface2), var(--surface));
}

.hero__title {
  margin: 0;
  font-size: clamp(40px, 5.2vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.8px;
  font-weight: 950;
}

.ghost {
  color: rgba(255,255,255,0.14);
  font-weight: 950;
}

:root[data-theme="light"] .ghost {
  color: rgba(10,15,20,0.18);
}

.hero__subtitle {
  max-width: 70ch;
  color: var(--muted);
  margin: 12px 0 0;
  font-weight: 700;
}

.welcome-box {
  margin-top: 18px;
  padding: 16px;
}

.welcome-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 12px 0;
}

.block {
  margin-top: 18px;
}

.block__head {
  margin: 22px 0 12px;
}

.block__title {
  margin: 0;
  font-size: clamp(28px, 3.2vw, 48px);
  font-weight: 950;
}

.block__desc {
  margin: 6px 0 0;
  color: var(--muted);
  font-weight: 700;
}

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

.card {
  padding: 16px;
}

.controls {
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
}

.control-group {
  display: grid;
  gap: 8px;
}

.project-list,
.repo-list {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.project-item,
.repo-card {
  padding: 16px;
}

.project-item h3,
.repo-card h3 {
  margin: 0 0 8px;
}

.project-details {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.tags,
.repo-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.tag,
.meta-pill {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  font-weight: 800;
}

.github-panel {
  padding: 16px;
}

.github-header {
  display: grid;
  gap: 10px;
}

.github-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
  margin-top: 12px;
}

.summary-card {
  padding: 16px;
}

.summary-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.summary-number {
  margin: 0;
  font-size: 28px;
  font-weight: 900;
}

.summary-text {
  font-size: 18px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.form {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 850;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

input, textarea, select {
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  outline: none;
}

input:focus, textarea:focus, select:focus {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
}

.error {
  min-height: 18px;
  color: #ff8a8a;
  font-weight: 800;
  font-size: 13px;
}

.notice {
  min-height: 18px;
  color: var(--muted);
  font-weight: 800;
}

.hidden {
  display: none;
}

.link {
  color: var(--accent);
  font-weight: 900;
}

.btn {
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--accent);
  color: #0b0513;
  font-weight: 950;
  cursor: pointer;
}

.btn:hover {
  filter: brightness(0.98);
}

.btn--ghost {
  background: rgba(255,255,255,0.04);
  color: var(--text);
}

.menu-toggle {
  display: none;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-weight: 800;
  cursor: pointer;
}

.footer {
  margin-top: 20px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-weight: 800;
}

#top {
  position: relative;
  top: -80px;
}

.welcome-overlay {
  position: fixed;
  inset: 0;
  background: #ffffff;
  color: #111111;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.6s ease;
}

.welcome-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.welcome-overlay__content {
  text-align: center;
  padding: 24px;
}

.welcome-overlay__content h1 {
  margin: 0 0 8px;
  font-size: clamp(32px, 6vw, 56px);
}

.welcome-overlay__content p {
  margin: 0;
  font-size: 18px;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .profile__card {
    position: relative;
    top: auto;
  }

  .cards,
  .controls,
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .topbar__inner {
    align-items: center;
    flex-wrap: wrap;
  }

  .topnav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 10px;
    padding-top: 12px;
  }

  .topnav.is-open {
    display: flex;
  }

  .menu-toggle {
    display: inline-flex;
  }
}

@media (max-width: 520px) {
  .welcome-controls,
  .github-controls {
    flex-direction: column;
  }
}