/* ============================================================
   yourdudeken — Developer Portfolio
   Dark, GitHub-inspired. Fully static. No frameworks.
   ============================================================ */

:root {
  --bg:            #0d1117;
  --bg-subtle:     #161b22;
  --bg-elevated:   #1c2128;
  --border:        #30363d;
  --border-muted:  #21262d;
  --text:          #e6edf3;
  --text-muted:    #8b949e;
  --text-faint:    #6e7681;
  --accent:        #2f81f7;
  --accent-hover:  #4493f8;
  --accent-soft:   rgba(47, 129, 247, 0.12);
  --green:         #3fb950;
  --purple:        #a371f7;
  --orange:        #db6d28;
  --red:           #f85149;
  --radius:        8px;
  --radius-lg:     12px;
  --radius-pill:   999px;
  --shadow-sm:     0 1px 2px rgba(1,4,9,0.4);
  --shadow-md:     0 4px 12px rgba(1,4,9,0.5);
  --shadow-lg:     0 12px 28px rgba(1,4,9,0.6);
  --font-sans:     -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  --font-mono:     ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --container:     1120px;
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-8: 32px; --space-10: 40px;
  --space-12: 48px; --space-16: 64px; --space-20: 80px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-4);
}
@media (min-width: 768px) { .wrap { padding: 0 var(--space-8); } }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: 0 0 var(--radius) 0;
  z-index: 1000;
}
.skip-link:focus { left: 0; }

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-muted);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
}
.brand:hover { text-decoration: none; color: var(--accent); }
.github-mark { fill: currentColor; flex-shrink: 0; }
.header-nav { display: flex; gap: var(--space-1); }
.header-link {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}
.header-link:hover { color: var(--text); background: var(--bg-subtle); text-decoration: none; }

/* ===== HERO ===== */
.hero {
  padding: var(--space-20) 0 var(--space-16);
  border-bottom: 1px solid var(--border-muted);
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(47, 129, 247, 0.08), transparent);
}
.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
}
.hero-avatar {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-lg);
  background: var(--bg-subtle);
}
.hero-name {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.hero-login {
  font-size: 18px;
  color: var(--text-muted);
  font-weight: 400;
}
.hero-bio {
  max-width: 560px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}
.hero-stats {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--space-2);
}
.hero-stat {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 14px;
  color: var(--text-muted);
}
.hero-stat strong { color: var(--text); font-weight: 600; }
.hero-stat svg { color: var(--text-faint); }
.hero-actions { display: flex; gap: var(--space-3); margin-top: var(--space-4); }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  margin-top: var(--space-2);
}
.hero-location,
.hero-company,
.hero-blog {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  font-size: 14px;
}
.hero-blog a { color: var(--text-muted); }
.hero-blog a:hover { color: var(--accent); }
.hero-twitter,
.hero-blog {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  font-size: 14px;
}
.hero-twitter a { color: var(--text-muted); }
.hero-twitter a:hover { color: var(--accent); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  text-decoration: none;
}
.btn:hover { background: var(--bg-elevated); border-color: var(--text-faint); text-decoration: none; }
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-small {
  padding: var(--space-2) var(--space-3);
  font-size: 13px;
  font-weight: 500;
}

/* ===== SECTIONS ===== */
.section {
  padding: var(--space-16) 0;
  border-bottom: 1px solid var(--border-muted);
}
.section-head { margin-bottom: var(--space-8); }
.section-title {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}
.section-subtitle { color: var(--text-muted); font-size: 15px; }
.block-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-4);
  margin-top: var(--space-10);
}

/* ===== CARD GRID ===== */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }

/* ===== REPO CARD ===== */
.repo-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
  height: 100%;
}
.repo-card:hover {
  border-color: var(--text-faint);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.repo-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.repo-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
  word-break: break-word;
}
.repo-name:hover { text-decoration: underline; }
.repo-name-wrap { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.fork-badge {
  display: inline-block;
  padding: 2px var(--space-2);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.repo-desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
  flex-grow: 1;
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.repo-desc.is-empty {
  color: var(--text-faint);
  font-style: italic;
}
.repo-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}
.repo-meta-item { display: inline-flex; align-items: center; gap: 4px; }
.lang-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.repo-updated { margin-left: auto; font-size: 12px; color: var(--text-faint); }
.repo-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-muted);
}
.repo-stars,
.repo-forks {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--text-muted);
}
.repo-stars svg,
.repo-forks svg { color: var(--text-faint); }

/* ===== CONTROLS ===== */
.repo-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
@media (min-width: 768px) {
  .repo-controls { flex-direction: row; align-items: center; }
}
.search-wrap {
  position: relative;
  flex-shrink: 0;
  width: 100%;
  max-width: 360px;
}
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) var(--space-8);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: var(--font-sans);
  transition: border-color 0.15s;
}
.search-input:focus { outline: none; border-color: var(--accent); }
.search-input::placeholder { color: var(--text-faint); }

.lang-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.lang-chip {
  padding: var(--space-2) var(--space-3);
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font-sans);
}
.lang-chip:hover { color: var(--text); border-color: var(--text-faint); }
.lang-chip.is-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== STATUS / ERRORS ===== */
.repo-status { margin-bottom: var(--space-4); }
.status-msg {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-12) var(--space-4);
  text-align: center;
  color: var(--text-muted);
}
.status-msg.error { color: var(--red); }
.status-msg .subtext { font-size: 13px; color: var(--text-muted); }
.status-msg .spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state {
  grid-column: 1 / -1;
  padding: var(--space-12);
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
}

/* ===== STATS GRID ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(3, 1fr); } }
.stat-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}
.stat-value {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: var(--space-1);
}

/* ===== LANGUAGES ===== */
.languages-block { margin-top: var(--space-8); }
.lang-bar {
  display: flex;
  height: 10px;
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: var(--bg-subtle);
  margin-bottom: var(--space-4);
}
.lang-segment { height: 100%; transition: width 0.4s ease; }
.lang-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  list-style: none;
}
.lang-legend li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--text-muted);
}
.lang-legend .dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.lang-legend .pct { color: var(--text-faint); }

/* ===== SKELETONS ===== */
.skel {
  background: linear-gradient(90deg, var(--bg-subtle) 25%, var(--bg-elevated) 50%, var(--bg-subtle) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: var(--radius);
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.hero-skeleton {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
}
.skel-avatar { width: 128px; height: 128px; border-radius: 50%; }
.skel-line { height: 18px; border-radius: var(--radius); }
.skel-line-lg    { width: 240px; height: 32px; }
.skel-line-md    { width: 160px; height: 18px; }
.skel-line-wide  { width: 80%;   height: 18px; }
.skel-line-narrow{ width: 60%;   height: 18px; }
.skel-row { display: flex; gap: var(--space-3); }
.skel-pill { width: 80px; height: 32px; border-radius: var(--radius-pill); }
.repo-skeleton-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 640px) { .repo-skeleton-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .repo-skeleton-grid { grid-template-columns: repeat(3, 1fr); } }
.skel-card {
  height: 200px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-muted);
}

/* ===== FOOTER ===== */
.site-footer {
  padding: var(--space-10) 0;
  background: var(--bg);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
}
.footer-text { color: var(--text-faint); font-size: 13px; }
.footer-link { font-size: 14px; font-weight: 500; }

/* ===== UTILITIES ===== */
[hidden] { display: none !important; }
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

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