/* Sebastian Varga -- Public Profile */

:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --fg-muted: #555555;
  --border: #e0e0e0;
  --tech-color: #555555;
  --link: #2563eb;
  --header-bg: #f8f8f8;
  --table-stripe: #f5f5f5;
  --toggle-bg: #e0e0e0;
  --toggle-fg: #1a1a1a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a2e;
    --fg: #e0e0e0;
    --fg-muted: #a0a0a0;
    --border: #333355;
    --tech-color: #a0a0b8;
    --link: #60a5fa;
    --header-bg: #16162a;
    --table-stripe: #1e1e38;
    --toggle-bg: #333355;
    --toggle-fg: #e0e0e0;
  }
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background-color: var(--bg);
  line-height: 1.6;
  min-width: 320px;
}

/* Layout */

header {
  max-width: 800px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 1.5rem;
  text-align: center;
  position: relative;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

/* Header */

header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

header .title {
  font-size: 1.05rem;
  color: var(--fg-muted);
  margin-bottom: 0.25rem;
}

header .locations {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

/* Language toggle */

#lang-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 100;
  background: var(--toggle-bg);
  color: var(--toggle-fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  letter-spacing: 0.05em;
  line-height: 1;
  transition: opacity 0.15s;
}

#lang-toggle:hover {
  opacity: 0.8;
}

/* Sections */

section {
  margin-bottom: 2rem;
}

h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--border);
}

/* Professional profile */

.profile-text {
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Project entries */

.project {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.project:last-child {
  border-bottom: none;
}

.project h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.project .role {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.1rem;
}

.project .meta {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 0.6rem;
}

.project .summary {
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 0.6rem;
}

.project h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.project h5 {
  font-size: 0.88rem;
  font-weight: 600;
  font-style: italic;
  margin-top: 0.6rem;
  margin-bottom: 0.3rem;
}

.project ul {
  margin-left: 1.25rem;
  margin-bottom: 0.6rem;
}

.project li {
  font-size: 0.88rem;
  line-height: 1.55;
  margin-bottom: 0.2rem;
}

.project .tech {
  font-size: 0.85rem;
  color: var(--tech-color);
  line-height: 1.5;
}

.project .tech strong {
  color: var(--fg);
}

/* Skills table */

.skills-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.skills-table th,
.skills-table td {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.skills-table th {
  background-color: var(--header-bg);
  font-weight: 600;
  white-space: nowrap;
}

.skills-table tr:nth-child(even) td {
  background-color: var(--table-stripe);
}

.skills-table td:first-child {
  font-weight: 600;
  white-space: nowrap;
  width: 1%;
}

.skills-table td:last-child {
  line-height: 1.55;
}

/* Personal section */

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

.personal li {
  font-size: 0.92rem;
  margin-bottom: 0.3rem;
}

/* Separator */

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* Footer */

footer {
  max-width: 800px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--fg-muted);
  border-top: 1px solid var(--border);
}

footer a {
  color: var(--fg-muted);
  text-decoration: none;
}

footer a:hover {
  color: var(--link);
}

/* Responsive */

@media (max-width: 600px) {
  header {
    padding: 2rem 1rem 1rem;
  }

  main {
    padding: 0 1rem 2rem;
  }

  header h1 {
    font-size: 1.4rem;
  }

  .skills-table td:first-child {
    white-space: normal;
  }

  #lang-toggle {
    top: 0.5rem;
    right: 0.5rem;
  }

  footer {
    padding: 1.5rem 1rem 2rem;
  }
}

/* Print */

@media print {
  :root {
    --bg: #ffffff;
    --fg: #000000;
    --fg-muted: #333333;
    --border: #cccccc;
    --tech-color: #333333;
    --header-bg: #f0f0f0;
    --table-stripe: #f5f5f5;
  }

  #lang-toggle {
    display: none;
  }

  footer {
    display: none;
  }

  body {
    font-size: 11pt;
    line-height: 1.4;
  }

  header, main {
    max-width: 100%;
    padding-left: 0;
    padding-right: 0;
  }

  .project {
    break-inside: avoid;
  }

  h2 {
    break-after: avoid;
  }

  .skills-table {
    font-size: 9pt;
  }
}