/* ==========================================================================
   Shared design tokens (identical block in django-blog/mysite/blog/static/css/blog.css)
   ========================================================================== */
:root,
[data-bs-theme="light"] {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --accent: #1d4ed8;
  --accent-hover: #1e40af;
  --accent-soft: #dbeafe;
  --accent-rgb: 29, 78, 216;
  --on-accent: #ffffff;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 16px rgba(15, 23, 42, 0.06);
}

[data-bs-theme="dark"] {
  --bg: #0b1220;
  --surface: #131c2e;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: #263247;
  --accent: #60a5fa;
  --accent-hover: #93c5fd;
  --accent-soft: rgba(96, 165, 250, 0.14);
  --accent-rgb: 96, 165, 250;
  --on-accent: #0b1220;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.25);
}

:root,
[data-bs-theme="light"],
[data-bs-theme="dark"] {
  --radius: 10px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --bs-body-font-family: var(--font);
  --bs-body-bg: var(--bg);
  --bs-body-color: var(--text);
  --bs-emphasis-color: var(--text);
  --bs-heading-color: var(--text);
  --bs-secondary-color: var(--muted);
  --bs-tertiary-bg: var(--bg);
  --bs-border-color: var(--border);
  --bs-link-color: var(--accent);
  --bs-link-color-rgb: var(--accent-rgb);
  --bs-link-hover-color: var(--accent-hover);
  --bs-border-radius: var(--radius);
  --bs-focus-ring-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

/* ==========================================================================
   Base
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  background: var(--bg);
  color: var(--text);
  padding-top: 3.5rem; /* mobile top bar */
}

h1, h2, h3, h4 {
  font-family: var(--font);
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-hover); }

a, .btn, .nav-link, .chip, .theme-toggle {
  transition: color .15s ease, background-color .15s ease, border-color .15s ease;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 2000;
  background: var(--surface);
  padding: .5rem .75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.skip-link:focus { top: .75rem; }

/* ==========================================================================
   Sidebar (lg+) / top bar (mobile)
   ========================================================================== */
#sideNav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: .5rem 1rem;
}
#sideNav .navbar-brand {
  font-weight: 700;
  color: var(--text);
  font-size: 1.05rem;
}
#sideNav .navbar-toggler { border-color: var(--border); }
#sideNav .nav-link {
  color: var(--muted);
  font-weight: 500;
  font-size: .95rem;
  padding: .45rem .75rem;
  border-radius: 8px;
}
#sideNav .nav-link:hover { color: var(--text); background: var(--accent-soft); }
#sideNav .nav-link.active {
  color: var(--accent);
  background: var(--accent-soft);
}

.img-profile {
  width: 128px;
  height: 128px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--border);
}
.side-name { font-weight: 700; font-size: 1.05rem; margin-top: .9rem; }
.side-role { color: var(--muted); font-size: .85rem; line-height: 1.4; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
}
.theme-toggle:hover { color: var(--text); background: var(--accent-soft); }
.theme-toggle .fa-sun { display: none; }
[data-bs-theme="dark"] .theme-toggle .fa-sun { display: inline-block; }
[data-bs-theme="dark"] .theme-toggle .fa-moon { display: none; }

@media (min-width: 992px) {
  body { padding-top: 0; padding-left: 16rem; }

  #sideNav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 16rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 2.5rem 1.25rem 1.5rem;
    border-bottom: 0;
    border-right: 1px solid var(--border);
    overflow-y: auto;
  }
  #sideNav .navbar-brand {
    display: block;
    text-align: center;
    margin: 0 0 1.75rem;
    white-space: normal;
  }
  #sideNav .navbar-collapse {
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    flex: 1 1 auto;
    width: 100%;
  }
  #sideNav .navbar-nav { flex-direction: column; width: 100%; gap: .15rem; }
  #sideNav .side-foot {
    margin-top: auto;
    padding-top: 1.5rem;
    display: flex;
    justify-content: center;
  }
}

/* ==========================================================================
   Main column
   ========================================================================== */
.main {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.resume-section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border);
  scroll-margin-top: 4rem;
}
.resume-section:last-of-type { border-bottom: 0; }
@media (min-width: 992px) {
  .main { padding: 0 3rem; }
  .resume-section { padding: 4.5rem 0; scroll-margin-top: 0; }
  #about { padding-top: 6rem; }
}

.resume-section h2 {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

/* About */
.hero-name {
  font-size: clamp(2.25rem, 6vw, 2.75rem);
  margin-bottom: .35rem;
}
.hero-headline {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: .75rem;
}
.hero-meta {
  color: var(--muted);
  font-size: .95rem;
  display: flex;
  flex-wrap: wrap;
  gap: .25rem 1.25rem;
  margin-bottom: 1.5rem;
}
.hero-meta i { margin-right: .35rem; }
.hero-meta a { color: var(--muted); }
.hero-meta a:hover { color: var(--accent); }
.lead-text { font-size: 1.075rem; max-width: 65ch; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.75rem;
}

/* Buttons (same recipe as the blog) */
.btn {
  --bs-btn-font-weight: 600;
  --bs-btn-border-radius: 8px;
  --bs-btn-padding-x: 1rem;
  --bs-btn-padding-y: .5rem;
  --bs-btn-font-size: .95rem;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
}
.btn-primary {
  --bs-btn-bg: var(--accent);
  --bs-btn-border-color: var(--accent);
  --bs-btn-color: var(--on-accent);
  --bs-btn-hover-bg: var(--accent-hover);
  --bs-btn-hover-border-color: var(--accent-hover);
  --bs-btn-hover-color: var(--on-accent);
  --bs-btn-active-bg: var(--accent-hover);
  --bs-btn-active-border-color: var(--accent-hover);
  --bs-btn-active-color: var(--on-accent);
}
.btn-outline-secondary {
  --bs-btn-color: var(--text);
  --bs-btn-bg: var(--surface);
  --bs-btn-border-color: var(--border);
  --bs-btn-hover-color: var(--accent);
  --bs-btn-hover-bg: var(--accent-soft);
  --bs-btn-hover-border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  --bs-btn-active-color: var(--accent);
  --bs-btn-active-bg: var(--accent-soft);
  --bs-btn-active-border-color: var(--accent);
}

/* Experience / education / projects rows */
.resume-item + .resume-item { margin-top: 2.25rem; }
.item-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: .15rem 1.5rem;
}
.item-head h3 { font-size: 1.15rem; margin: 0; }
.item-org { color: var(--muted); font-weight: 500; margin: .1rem 0 0; }
.item-date {
  color: var(--muted);
  font-size: .9rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.resume-item ul {
  margin: .75rem 0 0;
  padding-left: 1.1rem;
}
.resume-item li { margin-bottom: .35rem; }
.resume-item li::marker { color: var(--muted); }
.resume-item p { margin: .6rem 0 0; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: .85rem 0 0;
  padding: 0;
  list-style: none;
}
.chip,
.resume-item .chips li {
  display: inline-block;
  margin: 0;
  padding: .15rem .6rem;
  font-size: .8rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
}

.todo {
  color: #b45309;
  background: color-mix(in srgb, #f59e0b 14%, transparent);
  border-radius: 4px;
  padding: 0 .3rem;
  font-size: .9em;
}
[data-bs-theme="dark"] .todo { color: #fbbf24; }

/* Skills */
.skill-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.5rem 2rem;
}
.skill-groups h3 {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  margin: 0 0 .6rem;
}
.skill-groups .chips { margin: 0; }
.skill-groups .chips li {
  padding: .2rem .65rem;
  font-size: .85rem;
  font-weight: 500;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.plain-list { list-style: none; padding: 0; margin: 0; }
.plain-list li + li { margin-top: .5rem; }
.plain-list i { color: var(--accent); width: 1.4rem; }

/* Footer */
.site-footer {
  color: var(--muted);
  font-size: .9rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  justify-content: space-between;
}
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }
.site-footer nav { display: flex; gap: 1rem; }

/* ==========================================================================
   Motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Print
   ========================================================================== */
@media print {
  :root, [data-bs-theme="dark"] {
    --bg: #fff; --surface: #fff; --text: #000; --muted: #444;
    --border: #ccc; --accent: #1d4ed8; --accent-soft: transparent;
  }
  body { padding: 0 !important; font-size: 11pt; background: #fff; }
  #sideNav, .skip-link, .hero-actions, .theme-toggle, .todo { display: none !important; }
  .main { max-width: none; padding: 0; }
  .resume-section { padding: 1rem 0; break-inside: auto; }
  .resume-item { break-inside: avoid; }
  .chip, .resume-item .chips li, .skill-groups .chips li { border: 1px solid #ccc; color: #000; }
  a { color: #000; text-decoration: none; }
}