:root {
  --bg: radial-gradient(circle at top, #343434, #090909);
  --sidebar-bg: #151515;
  --card-bg: #1e1e1e;
  --card-border: #3a3a3a;
  --accent-gold: #e6b35a;
  --accent-barb: #d15959;
  --accent-dwarf: #e69a3c;
  --accent-elf: #4bbf73;
  --accent-wizard: #5a8de6;
  --text-main: #f5f5f5;
  --text-muted: #b0b0b0;
  --tag-bg: #262626;
}

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

html,
body {
  overscroll-behavior: none;
  height: 100%;
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text-main);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell",
    "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
}

body {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 280px;
  padding: 0;
  background: linear-gradient(135deg, #1e1b16, #111);
  border-right: 1px solid #000;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.app-header {
  padding: 1.25rem 1rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  flex-shrink: 0;
}

.app-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.app-logo {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  object-fit: cover;
}

.app-title-text {
  display: flex;
  flex-direction: column;
}

.app-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.app-subtitle {
  margin: 0.4rem 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-nav {
  padding: 0.75rem 0.75rem 1.25rem;
}

.nav-hero {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.3rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  color: var(--text-main);
  border: 1px solid rgba(230, 179, 90, 0.4);
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.nav-hero[data-hero="barbarian"] { border-color: rgba(209, 89, 89, 0.6); }
.nav-hero[data-hero="dwarf"] { border-color: rgba(230, 154, 60, 0.6); }
.nav-hero[data-hero="elf"] { border-color: rgba(75, 191, 115, 0.6); }
.nav-hero[data-hero="wizard"] { border-color: rgba(90, 141, 230, 0.6); }

.nav-hero:hover {
  background: #222;
}

.nav-hero small {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.main {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  background: radial-gradient(circle at top, #2d2d2d, #050505);
}

.hero-section {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #262626;
}

.hero-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-title[data-hero="barbarian"] { color: var(--accent-barb); }
.hero-title[data-hero="dwarf"] { color: var(--accent-dwarf); }
.hero-title[data-hero="elf"] { color: var(--accent-elf); }
.hero-title[data-hero="wizard"] { color: var(--accent-wizard); }

.hero-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.branches {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.branch {
  background: var(--card-bg);
  border-radius: 0.75rem;
  border: 1px solid var(--card-border);
  padding: 0.9rem 0.9rem 0.8rem;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.7);
}

.branch-header {
  margin-bottom: 0.6rem;
}

.branch-name {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: var(--accent-gold);
}

.branch-theme {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0.15rem 0 0;
}

.skill-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
  border-left: 2px solid #444;
}

.skill {
  position: relative;
  padding: 0.55rem 0.6rem 0.4rem 0.9rem;
}

.skill::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 0.9rem;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #666;
  box-shadow: 0 0 0 2px #121212;
}

.skill-main {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}

.skill-name {
  font-size: 0.95rem;
  font-weight: 500;
}

.skill-meta {
  display: flex;
  gap: 0.3rem;
  align-items: center;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: var(--tag-bg);
  color: var(--text-muted);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid #3b3b3b;
  white-space: nowrap;
}

.tag.sp {
  color: var(--accent-gold);
  border-color: rgba(230, 179, 90, 0.7);
}

.tag.timing {
  color: #a3c2ff;
  border-color: rgba(118, 169, 250, 0.7);
}

.tag.strong {
  color: #f97316;
  border-color: rgba(249, 115, 22, 0.8);
}

.tags-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: 0.25rem;
}

.side-skills {
  margin-top: 0.4rem;
  padding-left: 0.9rem;
  border-left: 1px dashed #555;
}

.side-skills-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.1rem;
}

.side-skill {
  font-size: 0.85rem;
  margin-bottom: 0.15rem;
}

.side-skill .skill-meta {
  font-size: 0.75rem;
}

.mechanics-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid #262626;
}

.mechanics-header {
  margin-bottom: 1.25rem;
}

.mechanics-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin: 0 0 0.4rem;
}

.mechanics-intro {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.mechanics-block {
  margin-top: 1.25rem;
}

.mechanics-block h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
}

.mechanics-block ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.mechanics-block li + li {
  margin-top: 0.2rem;
}

.nav-info {
  margin-top: 0.75rem;
}

.skill-tooltip {
  position: fixed;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.9);
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  pointer-events: none;
  opacity: 0;
  transform: translate3d(0, 0, 0);
  transition: opacity 0.08s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.45);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 260px;
}

.skill-tooltip.visible {
  opacity: 1;
}

.skill-tooltip .pip {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.6);
  flex-shrink: 0;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.4);
}

.skill-tooltip-text {
  white-space: normal;
}

@media (max-width: 768px) {
  body {
    flex-direction: column;
  }

  .sidebar {
    position: static;
    width: 100%;
    height: auto;
  }

  .hero-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.75rem 0.75rem 1rem;
  }

  .nav-hero {
    flex: 1 1 calc(50% - 0.5rem);
  }

  .main {
    padding: 1rem 1rem 2rem;
  }
}