/* Dark theme (updated) */
:root {
  --bg: #0b0f13;
  --elev: #11161d;
  --card: #121922;
  --text: #e8eef5;
  --muted: #9aa4b2;
  --border: #1e2733;
  --accent: #7dd3fc;
  --accent-strong: #38bdf8;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --container: 1100px;
}

html { color-scheme: dark; }
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent-strong); text-decoration: underline; }
nav a { color: inherit; text-decoration: none; }

header {
  position: sticky; top: 0; z-index: 1000;
  background: var(--elev);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
}
.header-inner {
  max-width: var(--container); margin: 0 auto; padding: 0.85rem 2rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.site-title { font-size: 1.125rem; margin: 0; font-weight: 700; letter-spacing: .2px; }
nav { display: flex; align-items: center; gap: .25rem; flex-wrap: wrap; }
.nav-link { padding: .5rem .75rem; border-radius: 999px; border: 1px solid transparent; opacity: .9; }
.nav-link:hover, .nav-link[aria-current="page"] { background: var(--card); border-color: var(--border); opacity: 1; }

.button-primary {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(125,211,252,.1), rgba(56,189,248,.08));
  padding: .5rem .9rem; border-radius: 999px; box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
}
.button-primary:hover { filter: brightness(1.08); }

#theme-toggle {
  margin-left: .5rem; padding: .5rem .75rem; border-radius: 999px;
  background: var(--card); border: 1px solid var(--border); color: var(--text); cursor: pointer;
}
#theme-toggle:hover { filter: brightness(1.08); }
#theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.container { max-width: var(--container); margin: 2rem auto; padding: 0 2rem; }
.homepage-container,.resume-container,.api-container,.blog-container {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow);
}

.card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.25rem; background: transparent; margin: 1rem 0;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,.35); border-color: #2b3644; }
.card h3 { margin-top: .25rem; }

.skills-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.skills-columns ul { margin: 0; padding-left: 1rem; }

.embed { margin-top: 1rem; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; aspect-ratio: 16 / 9; background: #000; }
.embed iframe { display: block; width: 100%; height: 100%; border: 0; }

footer { margin-top: 3rem; background: var(--elev); border-top: 1px solid var(--border); }
.footer-inner { max-width: var(--container); margin: 0 auto; padding: 1rem 2rem; color: var(--muted); font-size: .95rem; }

h1, h2, h3 { line-height: 1.25; } h2 { margin-top: .25rem; font-size: 1.5rem; } h3 { font-size: 1.1rem; }

/* Blog post specific styles */
.blog-post-container { padding: 2rem; }
.blog-post-container .back-link {
  display: inline-block;
  border: 1px solid var(--border);
  padding: .35rem .6rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.blog-post-container h2 { margin-top: .75rem; }
.post-meta {
  color: var(--muted);
  font-size: .95rem;
  margin: .25rem 0 .75rem;
}
.post-meta span { margin-right: 1rem; }
.blog-post-content { margin-top: 1rem; }

/* Reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(10px); }
.reveal.in { opacity: 1; transform: none; transition: opacity .55s ease, transform .55s ease; }

/* Fitness Dashboard Styles */
.fitness-container {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.dashboard-section {
  margin: 2rem 0;
}

.goals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.body-weight-wide {
  grid-column: span 2;
}

.goal-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  background: transparent;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.goal-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0,0,0,.35);
  border-color: #2b3644;
}

.goal-card h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.1rem;
  color: var(--text);
}

.chart-container {
  position: relative;
  height: 250px;
  margin: 1rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.goal-stats {
  display: flex;
  justify-content: space-around;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--muted);
}

.workout-counter-card {
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(125,211,252,.1), rgba(56,189,248,.08));
  border: 1px solid var(--border);
}

.workout-counter {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.counter-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-strong);
  line-height: 1;
}

.counter-label {
  font-size: 1rem;
  color: var(--muted);
}

.loading-message,
.error-message {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
}

.error-message {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius);
  padding: 1rem;
}

.last-updated {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .goals-grid {
    grid-template-columns: 1fr;
  }
  
  .body-weight-wide {
    grid-column: span 1;
  }
  
  .chart-container {
    height: 200px;
  }
  
  .counter-number {
    font-size: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .reveal, .reveal.in { opacity: 1; transform: none; }
}