:root {
  --bg: #fafafa;
  --bg-soft: #ffffff;
  --text: #18181b;
  --text-soft: #71717a;
  --accent: #18181b;
  --border: #e4e4e7;
}

html[data-theme="dark"] {
  --bg: #0f0f10;
  --bg-soft: #171718;
  --text: #e4e4e7;
  --text-soft: #8b8b93;
  --accent: #e4e4e7;
  --border: #262628;
}

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

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.accent { color: var(--accent); }

/* Fixed toggles (top-right) */
.float-actions {
  position: fixed;
  top: 0.9rem;
  right: 0.9rem;
  display: flex;
  gap: 0.25rem;
  z-index: 10;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.5rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(6px);
  color: var(--text-soft);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
}

.icon-btn:hover { color: var(--text); border-color: var(--text); }

.icon-moon { display: none; }
html[data-theme="dark"] .icon-sun { display: none; }
html[data-theme="dark"] .icon-moon { display: block; }

/* 3-column page */
.page {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(220px, 290px) minmax(0, 1fr) minmax(230px, 280px);
  gap: clamp(1.5rem, 3.5vw, 3.5rem);
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: clamp(1.25rem, 3vh, 2rem) clamp(1.25rem, 4vw, 3rem);
  align-content: start;
}

.section-title {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-soft);
  margin-bottom: 0.55rem;
}

/* Left: identity */
.col-left h1 {
  font-size: clamp(1.3rem, 2.4vw, 1.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.cv-role { color: var(--text-soft); margin-top: 0.3rem; font-size: 0.95rem; }

.cv-contact {
  display: grid;
  gap: 0.3rem;
  margin-top: 1.1rem;
  color: var(--text-soft);
  font-size: 0.85rem;
}

.cv-contact a { color: var(--text-soft); text-decoration: none; overflow-wrap: anywhere; }
.cv-contact a:hover { color: var(--text); }

.cv-soon {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.3rem 0.8rem;
  border: 1px dashed var(--border);
  border-radius: 0.375rem;
  color: var(--text-soft);
  font-size: 0.78rem;
}

.col-left .section-title { margin-top: 2rem; }

.about-text { color: var(--text-soft); font-size: 0.88rem; }

/* Center: achievements */
.col-center .card { padding: 0.6rem 0; }

.card { border-bottom: 1px solid var(--border); }

.card:first-child { padding-top: 0; }
.card:last-child { border-bottom: none; padding-bottom: 0.5rem; }

.card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.15rem 1rem;
}

.card-head h3 { font-size: 1rem; font-weight: 600; }

.card-meta { color: var(--text-soft); font-size: 0.82rem; }

.card-points { margin: 0.35rem 0 0.55rem; padding-left: 1.05rem; }

.card-points li { color: var(--text-soft); font-size: 0.86rem; margin-bottom: 0.15rem; }

.card-points li::marker { color: var(--border); }

.tech {
  font-size: 0.8rem;
  color: var(--text-soft);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  margin-bottom: 0.5rem;
}

/* Awards */
.awards-list { list-style: none; display: grid; gap: 0.5rem; }

.awards-list li { display: grid; gap: 0.05rem; }

.award-year {
  color: var(--text-soft);
  font-size: 0.8rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

.award-name { font-size: 0.92rem; font-weight: 600; }

.award-place { color: var(--text-soft); font-size: 0.85rem; }

/* Right: background */
.col-right section + section { margin-top: 2rem; }

.timeline-period {
  color: var(--text-soft);
  font-size: 0.82rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

.edu-school { font-size: 0.92rem; font-weight: 600; margin-top: 0.15rem; }

.timeline-place { color: var(--text-soft); font-size: 0.85rem; }

.skill-rows { display: grid; }

.skill-row { padding: 0.55rem 0; border-bottom: 1px solid var(--border); }

.skill-row:first-child { padding-top: 0; }
.skill-row:last-child { border-bottom: none; padding-bottom: 0; }

.skill-row h3 { font-size: 0.85rem; font-weight: 600; }

.skill-row p { color: var(--text-soft); font-size: 0.85rem; }

.lang-list { color: var(--text-soft); font-size: 0.88rem; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  transition: border-color 0.15s;
}

.btn:hover { border-color: var(--text); }

/* Footer */
.footer {
  display: flex;
  justify-content: center;
  padding: 0.75rem 1rem;
  color: var(--text-soft);
  font-size: 0.78rem;
}

/* Mobile: simple stack */
@media (max-width: 960px) {
  .page {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 4.5rem;
  }

  body { min-height: auto; }
}

@media (min-width: 961px) {
  .col-left h1 { white-space: nowrap; }
}