:root {
  --bg: #1e1e1e;
  --text: #b8b8b8;
  --heading: #e0e0e0;
  --border: #333;
  --accent: #c9b8ff;
  --accent-strong: #9c8cff;
  --code-bg: #2a2a2a;
  --code-text: #d4c5ff;
  --muted: #8a8a8a;
  --card-bg: #211b30;
  --card-border: #7f77dd;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #faf9f6;
    --text: #3d3a34;
    --heading: #1e1c18;
    --border: #ddd8cc;
    --accent: #6d4aff;
    --accent-strong: #5638d6;
    --code-bg: #f0ede4;
    --code-text: #5638d6;
    --muted: #7a766c;
    --card-bg: #f0ede4;
    --card-border: #b8acff;
    color-scheme: light;
  }
}

html[data-theme="dark"] {
  --bg: #1e1e1e;
  --text: #b8b8b8;
  --heading: #e0e0e0;
  --border: #333;
  --accent: #c9b8ff;
  --accent-strong: #9c8cff;
  --code-bg: #2a2a2a;
  --code-text: #d4c5ff;
  --muted: #8a8a8a;
  --card-bg: #211b30;
  --card-border: #7f77dd;
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #faf9f6;
  --text: #3d3a34;
  --heading: #1e1c18;
  --border: #ddd8cc;
  --accent: #6d4aff;
  --accent-strong: #5638d6;
  --code-bg: #f0ede4;
  --code-text: #5638d6;
  --muted: #7a766c;
  --card-bg: #f0ede4;
  --card-border: #b8acff;
  color-scheme: light;
}

* {
  transition:
    background-color 0.25s ease,
    color 0.25s ease,
    border-color 0.25s ease;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  body {
    animation: none;
    opacity: 1;
  }
  * {
    transition: none !important;
  }
}

h1,
h2,
h3 {
  color: var(--heading);
  font-weight: 400;
  font-family: "Segoe UI", system-ui, sans-serif;
}

h1 {
  font-size: 28px;
  margin-bottom: 1.5rem;
}

h2 {
  color: var(--accent);
  font-size: 19px;
  margin-top: 2rem;
}

/* Site nav */
.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  margin: 0 0 1.75rem;
}
.site-nav a {
  color: var(--muted);
}
.site-nav a:hover {
  color: var(--accent-strong);
  text-decoration: underline;
}

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

code {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "Fira Code", monospace;
  font-size: 14px;
}

pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
}

pre.mermaid {
  max-width: none;
  width: 90vw;
  margin-left: calc(50% - 45vw);
  margin-right: calc(50% - 45vw);
  background: none;
  text-align: center;
}

blockquote {
  border-left: 3px solid var(--accent-strong);
  margin-left: 0;
  padding-left: 1rem;
  color: var(--muted);
}

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

ul,
ol {
  padding-left: 1.2rem;
}

li {
  margin-bottom: 6px;
}

/* External link buttons */
.btn {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--heading);
  padding: 7px 16px;
  border-radius: 8px;
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  text-decoration: none !important;
  margin: 4px 6px 4px 0;
}
.btn:hover {
  background: var(--card-bg);
  border-color: var(--accent-strong);
}
.theme-toggle {
  margin-left: auto;
  flex-shrink: 0;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--heading);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle:hover {
  border-color: var(--accent-strong);
}

/* Uptime counter */
.uptime-box {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-family: "Segoe UI", system-ui, sans-serif;
}
.uptime-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 4px;
}
.uptime-value {
  font-size: 20px;
  color: var(--accent);
  margin: 0;
}

/* Project filter */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 1rem 0 1.5rem;
  font-family: "Segoe UI", system-ui, sans-serif;
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
}
.filter-btn:hover {
  border-color: var(--accent-strong);
  color: var(--heading);
}
.filter-btn.active {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: var(--bg);
}
.project-card {
  transition:
    opacity 0.25s ease,
    max-height 0.25s ease,
    transform 0.25s ease;
}
.project-card.hidden {
  display: none;
}

/* Hero */
.hero {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.hero-photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--card-border);
}
.hero-photo.large {
  width: 160px;
  height: 160px;
}
.hero-name {
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 26px;
  font-weight: 600;
  color: var(--heading);
  margin: 0 0 4px;
}
.hero-tagline {
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  color: var(--accent);
  margin: 0;
}
@media (max-width: 480px) {
  .hero {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
}

/* Skill tags */
.tag-group {
  margin: 1rem 0 1.25rem;
}
.tag-group-label {
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 6px;
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
}
.tag {
  background: var(--code-bg);
  color: var(--code-text);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
}

/* Compact uptime badge (used inside the index "Destacado" callout) */
.uptime-box.compact {
  display: flex;
  width: fit-content;
  align-items: baseline;
  gap: 8px;
  padding: 0.5rem 0.9rem;
  margin: 0.75rem auto 0;
}
.uptime-box.compact .uptime-label {
  margin: 0;
}
.uptime-box.compact .uptime-value {
  font-size: 15px;
}