/* ==========================================================================
   Theme tokens
   ========================================================================== */

:root,
[data-theme="dark"] {
  color-scheme: dark;

  --t-bg: #0a0e14;
  --t-panel: #0d1117;
  --t-surface: #161b22;
  --t-border: #21262d;
  --t-muted: #484f58;
  --t-text: #c9d1d9;
  --t-dim: #8b949e;
  --t-green: #3fb950;
  --t-cyan: #39c5cf;
  --t-amber: #d29922;
  --t-red: #f85149;
  --t-purple: #bc8cff;
  --t-blue: #58a6ff;

  --t-green-bg: rgba(63, 185, 80, 0.1);
  --t-green-border: rgba(63, 185, 80, 0.35);
  --t-green-subtle: rgba(63, 185, 80, 0.08);
  --t-cyan-border: rgba(57, 197, 207, 0.4);
  --t-purple-border: rgba(188, 140, 255, 0.4);

  --t-glow-green: rgba(63, 185, 80, 0.06);
  --t-glow-cyan: rgba(57, 197, 207, 0.04);
  --t-shadow: rgba(0, 0, 0, 0.45);
  --t-scanline: rgba(0, 0, 0, 0.03);
  --t-inset: rgba(255, 255, 255, 0.03);
  --t-nav-bg: rgba(10, 14, 20, 0.9);
  --banner-height: 2.25rem;
  --t-banner-bg: rgba(210, 153, 34, 0.12);
}

[data-theme="light"] {
  color-scheme: light;

  --t-bg: #eef1f4;
  --t-panel: #ffffff;
  --t-surface: #f6f8fa;
  --t-border: #d0d7de;
  --t-muted: #8c959f;
  --t-text: #1f2328;
  --t-dim: #57606a;
  --t-green: #116329;
  --t-cyan: #0969da;
  --t-amber: #9a6700;
  --t-red: #cf222e;
  --t-purple: #8250df;
  --t-blue: #0969da;

  --t-green-bg: rgba(17, 99, 41, 0.08);
  --t-green-border: rgba(17, 99, 41, 0.35);
  --t-green-subtle: rgba(17, 99, 41, 0.06);
  --t-cyan-border: rgba(9, 105, 218, 0.35);
  --t-purple-border: rgba(130, 80, 223, 0.35);

  --t-glow-green: rgba(17, 99, 41, 0.05);
  --t-glow-cyan: rgba(9, 105, 218, 0.04);
  --t-shadow: rgba(31, 35, 40, 0.12);
  --t-scanline: rgba(0, 0, 0, 0.015);
  --t-inset: rgba(255, 255, 255, 0.8);
  --t-nav-bg: rgba(238, 241, 244, 0.92);
  --banner-height: 2.25rem;
  --t-banner-bg: rgba(154, 103, 0, 0.1);
}

/* ==========================================================================
   Base
   ========================================================================== */

html {
  scroll-behavior: smooth;
}

body {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  background-color: var(--t-bg);
  background-image:
    radial-gradient(ellipse at 20% 0%, var(--t-glow-green) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, var(--t-glow-cyan) 0%, transparent 50%);
  color: var(--t-text);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    var(--t-scanline) 2px,
    var(--t-scanline) 4px
  );
}

:focus-visible {
  outline: 2px solid var(--t-cyan);
  outline-offset: 2px;
}

input,
textarea {
  caret-color: var(--t-green);
}

/* ==========================================================================
   Color utilities
   ========================================================================== */

.t-text { color: var(--t-text); }
.t-dim { color: var(--t-dim); }
.t-muted { color: var(--t-muted); }
.t-green { color: var(--t-green); }
.t-cyan { color: var(--t-cyan); }
.t-amber { color: var(--t-amber); }
.t-red { color: var(--t-red); }
.t-purple { color: var(--t-purple); }

.t-bg { background-color: var(--t-bg); }
.t-bg-panel { background-color: var(--t-panel); }
.t-bg-surface { background-color: var(--t-surface); }

.t-border { border-color: var(--t-border); }

/* ==========================================================================
   Layout helpers
   ========================================================================== */

.site-container {
  max-width: 64rem;
  margin-inline: auto;
  padding-inline: 1rem;
}

@media (min-width: 640px) {
  .site-container { padding-inline: 1.5rem; }
}

/* ==========================================================================
   Coming soon banner
   ========================================================================== */

.coming-soon-banner {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  height: var(--banner-height);
  padding-inline: 1rem;
  font-size: 0.75rem;
  text-align: center;
  background-color: var(--t-banner-bg);
  border-bottom: 1px solid color-mix(in srgb, var(--t-amber) 35%, var(--t-border));
  backdrop-filter: blur(8px);
}

/* ==========================================================================
   Navbar
   ========================================================================== */

#navbar {
  position: fixed;
  inset-inline: 0;
  top: var(--banner-height);
  z-index: 50;
  transition: background-color 0.3s, border-color 0.3s, backdrop-filter 0.3s;
}

#navbar.is-scrolled {
  background-color: var(--t-nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--t-border);
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  border: 1px solid transparent;
  border-radius: 0.25rem;
  padding: 0.375rem 0.625rem;
  font-size: 0.75rem;
  color: var(--t-dim);
  transition: color 0.15s, background-color 0.15s, border-color 0.15s;
}

.nav-link:hover {
  color: var(--t-green);
}

.nav-link.active {
  color: var(--t-green);
  background-color: var(--t-green-subtle);
  border-color: var(--t-green-border);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#mobile-menu {
  transition: opacity 0.2s ease, transform 0.2s ease;
  border-top: 1px solid var(--t-border);
  background-color: color-mix(in srgb, var(--t-panel) 95%, transparent);
  backdrop-filter: blur(12px);
}

#mobile-menu.is-hidden {
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
}

/* ==========================================================================
   Theme toggle
   ========================================================================== */

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border: 1px solid var(--t-border);
  border-radius: 0.25rem;
  padding: 0.375rem 0.625rem;
  font-size: 0.75rem;
  color: var(--t-dim);
  background: var(--t-surface);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.theme-toggle:hover {
  color: var(--t-green);
  border-color: var(--t-green-border);
}

.theme-toggle .icon-light,
.theme-toggle .icon-dark {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-light { display: inline; }
[data-theme="light"] .theme-toggle .icon-dark { display: inline; }

/* ==========================================================================
   Terminal windows
   ========================================================================== */

.term-window {
  margin-bottom: 2rem;
  overflow: hidden;
  border-radius: 0.5rem;
  border: 1px solid var(--t-border);
  background-color: var(--t-panel);
  box-shadow: 0 8px 32px var(--t-shadow), inset 0 1px 0 var(--t-inset);
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--t-border);
  background-color: var(--t-bg);
  padding: 0.625rem 1rem;
  font-size: 0.75rem;
  color: var(--t-muted);
}

.term-bar-between {
  justify-content: space-between;
}

.term-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 9999px;
}

.term-dot-red { background-color: color-mix(in srgb, var(--t-red) 80%, transparent); }
.term-dot-amber { background-color: color-mix(in srgb, var(--t-amber) 80%, transparent); }
.term-dot-green { background-color: color-mix(in srgb, var(--t-green) 80%, transparent); }

.term-body {
  padding: 1.25rem;
}

@media (min-width: 640px) {
  .term-body { padding: 2rem; }
}

/* ==========================================================================
   Components
   ========================================================================== */

.prompt::before {
  content: "";
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--t-green-border);
  border-radius: 0.25rem;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  color: var(--t-green);
  background-color: var(--t-green-bg);
  transition: background-color 0.15s;
}

.btn-primary:hover {
  background-color: color-mix(in srgb, var(--t-green) 18%, transparent);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--t-border);
  border-radius: 0.25rem;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  color: var(--t-dim);
  transition: color 0.15s, border-color 0.15s;
}

.btn-secondary:hover {
  color: var(--t-cyan);
  border-color: var(--t-cyan-border);
}

.project-card {
  border: 1px solid var(--t-border);
  border-radius: 0.25rem;
  background-color: var(--t-bg);
  padding: 1rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.project-card:hover {
  border-color: var(--t-green-border);
  box-shadow: 0 0 20px var(--t-glow-green);
}

.skill-pill {
  border: 1px solid var(--t-border);
  border-radius: 0.25rem;
  background-color: var(--t-bg);
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  color: var(--t-dim);
  transition: color 0.15s, border-color 0.15s;
}

.skill-pill:hover {
  color: var(--t-cyan);
  border-color: var(--t-cyan-border);
}

.skill-pill-accent {
  border-color: var(--t-green-border);
  background-color: var(--t-green-subtle);
  color: var(--t-green);
}

.tag {
  border-radius: 0.25rem;
  background-color: var(--t-panel);
  padding: 0.125rem 0.5rem;
  font-size: 0.625rem;
  color: var(--t-cyan);
}

.social-link {
  border: 1px solid var(--t-border);
  border-radius: 0.25rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  color: var(--t-dim);
  transition: color 0.15s, border-color 0.15s;
}

.social-link:hover {
  color: var(--t-green);
  border-color: var(--t-green-border);
}

.social-link-cyan:hover {
  color: var(--t-cyan);
  border-color: var(--t-cyan-border);
}

.social-link-purple:hover {
  color: var(--t-purple);
  border-color: var(--t-purple-border);
}

.email-link {
  font-size: 0.875rem;
  color: var(--t-dim);
  transition: color 0.15s;
}

.email-link:hover {
  color: var(--t-green);
}

.project-link:hover {
  color: var(--t-cyan);
}

.input-field {
  margin-top: 0.25rem;
  width: 100%;
  border: 1px solid var(--t-border);
  border-radius: 0.25rem;
  background-color: var(--t-panel);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--t-text);
}

.input-field::placeholder {
  color: var(--t-muted);
}

.input-field:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--t-green) 50%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--t-green) 30%, transparent);
}

.code-block {
  border: 1px solid var(--t-border);
  border-radius: 0.25rem;
  background-color: var(--t-bg);
  padding: 1rem;
  font-size: 0.75rem;
  line-height: 1.625;
  overflow-x: auto;
}

.profile-frame {
  border: 1px solid var(--t-border);
  border-radius: 0.25rem;
  background-color: var(--t-bg);
  padding: 0.25rem;
  text-align: center;
}

.profile-placeholder {
  display: flex;
  height: 9rem;
  width: 9rem;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px dashed color-mix(in srgb, var(--t-muted) 40%, transparent);
  background-color: var(--t-panel);
  color: var(--t-muted);
}

.menu-btn {
  border: 1px solid var(--t-border);
  border-radius: 0.25rem;
  padding: 0.375rem 0.5rem;
  font-size: 0.75rem;
  color: var(--t-dim);
  background: transparent;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.menu-btn:hover {
  color: var(--t-green);
  border-color: var(--t-green-border);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--t-border);
  padding-block: 1.5rem;
  font-size: 0.75rem;
  color: var(--t-muted);
}

.site-footer a {
  color: var(--t-green);
}

.site-footer a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Layout utilities
   ========================================================================== */

.hidden { display: none !important; }
.relative { position: relative; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-8 { gap: 2rem; }
.grid { display: grid; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.ml-2 { margin-left: 0.5rem; }
.max-w-xl { max-width: 36rem; }
.w-full { width: 100%; }
.text-2xl { font-size: 1.5rem; }
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-2xl { font-size: 1.5rem; }
.text-\[10px\] { font-size: 0.625rem; }
.font-bold { font-weight: 700; }
.leading-relaxed { line-height: 1.625; }
.leading-tight { line-height: 1.25; }
.text-center { text-align: center; }
.hover\:underline:hover { text-decoration: underline; }
.cursor-not-allowed { cursor: not-allowed; }
.resize-y { resize: vertical; }
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }
.pt-20 { padding-top: 5rem; }
.pb-12 { padding-bottom: 3rem; }
.p-5 { padding: 1.25rem; }
.block { display: block; }

main.site-main {
  max-width: 64rem;
  margin-inline: auto;
  padding: calc(5rem + var(--banner-height)) 1rem 3rem;
}

@media (min-width: 640px) {
  main.site-main { padding: calc(6rem + var(--banner-height)) 1.5rem 3rem; }
  .sm\:text-base { font-size: 1rem; }
  .sm\:text-xl { font-size: 1.25rem; }
  .sm\:text-4xl { font-size: 2.25rem; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:flex-row { flex-direction: row; }
  .sm\:block { display: block !important; }
  .sm\:absolute { position: absolute; }
  .sm\:right-8 { right: 2rem; }
  .sm\:top-8 { top: 2rem; }
  .sm\:mt-0 { margin-top: 0; }
  .sm\:mt-4 { margin-top: 1rem; }
  .sm\:w-auto { width: auto; }
  .term-body-lg { padding: 2rem; }
}

@media (min-width: 768px) {
  .md\:flex { display: flex !important; }
  .md\:hidden { display: none !important; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .lg\:col-span-2 { grid-column: span 2 / span 2; }
  .lg\:col-span-3 { grid-column: span 3 / span 3; }
}