/* TT2 design system layered on top of Tailwind + daisyUI. */
:root {
  color-scheme: dark;
  --tt-radius: 1.35rem;
  --tt-border: color-mix(in oklab, var(--color-base-content) 14%, transparent);
  --tt-border-strong: color-mix(in oklab, var(--color-primary) 34%, transparent);
  --tt-glow-primary: color-mix(in oklab, var(--color-primary) 28%, transparent);
  --tt-glow-secondary: color-mix(in oklab, var(--color-secondary) 24%, transparent);
  --tt-glass: color-mix(in oklab, var(--color-base-100) 76%, transparent);
  --tt-glass-strong: color-mix(in oklab, var(--color-base-200) 88%, transparent);
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body.tt-app-shell {
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 6%, color-mix(in oklab, var(--color-primary) 20%, transparent), transparent 30rem),
    radial-gradient(circle at 88% 8%, color-mix(in oklab, var(--color-secondary) 18%, transparent), transparent 28rem),
    radial-gradient(circle at 50% 100%, color-mix(in oklab, var(--color-accent) 12%, transparent), transparent 34rem),
    var(--color-base-100);
  background-attachment: fixed;
}

body.tt-app-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.36;
  background-image:
    linear-gradient(color-mix(in oklab, var(--color-base-content) 7%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--color-base-content) 7%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 0%, black 0%, transparent 72%);
}

.tt-app-main {
  position: relative;
  min-height: calc(100vh - 4rem);
}

.tt-page-container {
  width: min(100% - 1.5rem, 1500px);
  margin-inline: auto;
  padding-block: clamp(1rem, 2vw, 2rem) 4rem;
}

.tt-navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--tt-border);
  background: color-mix(in oklab, var(--color-base-100) 74%, transparent);
  backdrop-filter: blur(22px) saturate(1.35);
  box-shadow: 0 18px 60px color-mix(in oklab, var(--color-neutral) 14%, transparent);
}

.tt-brand-mark {
  display: grid;
  place-items: center;
  width: 2.45rem;
  height: 2.45rem;
  border-radius: 0.95rem;
  color: var(--color-primary-content);
  background:
    linear-gradient(135deg, var(--color-primary), var(--color-secondary) 55%, var(--color-accent));
  box-shadow: 0 12px 34px var(--tt-glow-primary);
}

.tt-nav-link {
  border-radius: 0.95rem;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.tt-nav-link:hover {
  transform: translateY(-1px);
  background: color-mix(in oklab, var(--color-primary) 13%, transparent);
  color: var(--color-primary);
}

.tt-hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--tt-border);
  border-radius: calc(var(--tt-radius) + 0.4rem);
  background:
    linear-gradient(135deg, color-mix(in oklab, var(--color-base-200) 92%, transparent), color-mix(in oklab, var(--color-base-100) 72%, transparent)),
    radial-gradient(circle at 8% 15%, color-mix(in oklab, var(--color-primary) 20%, transparent), transparent 28rem),
    radial-gradient(circle at 88% 0%, color-mix(in oklab, var(--color-secondary) 16%, transparent), transparent 26rem);
  box-shadow: 0 24px 70px color-mix(in oklab, var(--color-neutral) 18%, transparent);
}

.tt-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -60% 20%;
  height: 14rem;
  background: radial-gradient(ellipse, var(--tt-glow-primary), transparent 65%);
  filter: blur(18px);
  pointer-events: none;
}

.tt-gradient-title {
  background: linear-gradient(135deg, var(--color-base-content), var(--color-primary) 48%, var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tt-panel,
.tt-card {
  position: relative;
  border: 1px solid var(--tt-border);
  border-radius: var(--tt-radius);
  background: var(--tt-glass);
  backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: 0 18px 54px color-mix(in oklab, var(--color-neutral) 14%, transparent);
}

.tt-panel-strong {
  background: var(--tt-glass-strong);
  border-color: var(--tt-border-strong);
}

.tt-hover-lift {
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.tt-hover-lift:hover {
  transform: translateY(-3px);
  border-color: var(--tt-border-strong);
  box-shadow: 0 24px 74px color-mix(in oklab, var(--color-primary) 18%, transparent);
}

.tt-stat {
  overflow: hidden;
  border: 1px solid var(--tt-border);
  border-radius: 1.15rem;
  background:
    linear-gradient(145deg, color-mix(in oklab, var(--color-base-200) 88%, transparent), color-mix(in oklab, var(--color-base-100) 72%, transparent));
  box-shadow: 0 12px 34px color-mix(in oklab, var(--color-neutral) 10%, transparent);
}

.tt-stat::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
}

.tt-tabs {
  border: 1px solid var(--tt-border);
  border-radius: 999px;
  background: color-mix(in oklab, var(--color-base-200) 72%, transparent);
  backdrop-filter: blur(14px);
  padding: 0.35rem;
}

.tt-empty {
  border: 1px dashed var(--tt-border-strong);
  border-radius: var(--tt-radius);
  background: color-mix(in oklab, var(--color-base-200) 58%, transparent);
}

.tt-data-table {
  border-radius: 1rem;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in oklab, var(--color-primary) 55%, transparent) transparent;
  border: 1px solid var(--tt-border);
  background: color-mix(in oklab, var(--color-base-100) 70%, transparent);
}

.tt-data-table::-webkit-scrollbar {
  height: 0.65rem;
}

.tt-data-table::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: color-mix(in oklab, var(--color-primary) 48%, transparent);
}

.tt-data-table table,
.tt-data-table .table {
  min-width: max-content;
}

.tt-data-table table thead,
.tt-data-table .table thead {
  background: color-mix(in oklab, var(--color-base-200) 88%, transparent);
}

.tt-kbd-chip {
  border: 1px solid var(--tt-border);
  border-radius: 0.75rem;
  padding: 0.25rem 0.55rem;
  background: color-mix(in oklab, var(--color-base-200) 78%, transparent);
  font-size: 0.75rem;
  font-weight: 700;
}

/* Main-game skill tree: six branches in the same 3 x 2 arrangement as TT2. */
.tt-skill-tree-scroll {
  overflow-x: auto;
  padding-bottom: 0.4rem;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in oklab, var(--color-primary) 55%, transparent) transparent;
}

.tt-skill-tree-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
  min-width: 630px;
  padding: 0.55rem;
  border: 1px solid var(--tt-border);
  border-radius: 1rem;
  background: color-mix(in oklab, var(--color-base-100) 84%, black);
}

.tt-skill-branch {
  --tt-tree-color: var(--color-primary);
  overflow: hidden;
  border: 1px solid color-mix(in oklab, var(--tt-tree-color) 45%, transparent);
  border-radius: 0.9rem;
  background: color-mix(in oklab, var(--tt-tree-color) 9%, var(--color-base-200));
}

.tt-skill-branch[data-branch="knight"] { --tt-tree-color: #a3a3a3; }
.tt-skill-branch[data-branch="summoner"] { --tt-tree-color: #e06666; }
.tt-skill-branch[data-branch="warlord"] { --tt-tree-color: #f2c94c; }
.tt-skill-branch[data-branch="sorcerer"] { --tt-tree-color: #5b9bd5; }
.tt-skill-branch[data-branch="rogue"] { --tt-tree-color: #79b95a; }
.tt-skill-branch[data-branch="alchemist"] { --tt-tree-color: #8e7cc3; }

.tt-skill-branch-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  min-height: 2.3rem;
  padding: 0.45rem 0.55rem;
  color: white;
  background: color-mix(in oklab, var(--tt-tree-color) 72%, #171717);
  font-size: 0.78rem;
  font-weight: 900;
  text-shadow: 0 1px 2px black;
}

.tt-skill-branch-summary {
  font-size: 0.57rem;
  font-weight: 700;
  opacity: 0.78;
  white-space: nowrap;
}

.tt-skill-branch-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(5, 3.65rem);
  gap: 0.28rem;
  padding: 0.4rem;
}

.tt-skill-node,
.tt-skill-node-placeholder {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border-radius: 0.55rem;
}

.tt-skill-node {
  border: 2px solid color-mix(in oklab, var(--tt-tree-color) 35%, transparent);
  background: color-mix(in oklab, var(--color-base-100) 76%, black);
  cursor: help;
  box-shadow: 0 4px 10px color-mix(in oklab, black 30%, transparent);
  transition: opacity 150ms ease, filter 150ms ease, transform 150ms ease;
}

.tt-skill-node:hover {
  z-index: 2;
  opacity: 1;
  filter: none;
  transform: scale(1.06);
}

.tt-skill-node img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tt-skill-name {
  position: absolute;
  z-index: 3;
  inset: 0;
  display: grid;
  align-content: center;
  gap: 0.18rem;
  padding: 0.2rem;
  color: white;
  background: color-mix(in oklab, black 88%, transparent);
  opacity: 0;
  pointer-events: none;
  text-align: center;
  text-shadow: 0 1px 2px black;
  transition: opacity 120ms ease;
}

.tt-skill-name strong {
  font-size: 0.55rem;
  line-height: 1.1;
}

.tt-skill-name small {
  color: color-mix(in oklab, white 70%, transparent);
  font-size: 0.45rem;
  font-weight: 800;
  line-height: 1.1;
}

.tt-skill-node:hover .tt-skill-name {
  opacity: 1;
}

.tt-skill-node.is-active {
  border-color: var(--tt-tree-color);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--tt-tree-color) 45%, transparent),
              0 6px 14px color-mix(in oklab, var(--tt-tree-color) 28%, transparent);
}

.tt-skill-node.is-empty {
  opacity: 0.2;
  filter: grayscale(1);
}

.tt-skill-node.tt-compare-increase {
  border-color: var(--color-success);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--color-success) 45%, transparent);
}

.tt-skill-node.tt-compare-decrease {
  border-color: var(--color-warning);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--color-warning) 45%, transparent);
}

.tt-skill-node.tt-compare-remove {
  border-color: var(--color-error);
  filter: saturate(0.45);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--color-error) 50%, transparent);
}

.tt-skill-node.tt-compare-same {
  border-color: var(--tt-tree-color);
  opacity: 0.72;
}

.tt-skill-node.tt-compare-unused {
  opacity: 0.18;
  filter: grayscale(1);
}

.tt-skill-node.is-empty:hover,
.tt-skill-node.tt-compare-same:hover,
.tt-skill-node.tt-compare-unused:hover {
  opacity: 1;
  filter: none;
}

.tt-skill-level,
.tt-skill-action {
  position: absolute;
  z-index: 1;
  color: white;
  background: color-mix(in oklab, black 82%, transparent);
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 1px 1px black;
}

.tt-skill-level {
  right: 0.2rem;
  bottom: 0.2rem;
  display: grid;
  place-items: center;
  min-width: 1.2rem;
  height: 1.2rem;
  padding-inline: 0.18rem;
  border: 1px solid color-mix(in oklab, white 42%, transparent);
  border-radius: 999px;
  font-size: 0.68rem;
}

.tt-skill-action {
  top: 0.18rem;
  left: 0.18rem;
  padding: 0.18rem 0.24rem;
  border-radius: 0.3rem;
  font-size: 0.48rem;
  letter-spacing: 0.04em;
}

.htmx-indicator {
  opacity: 0;
  transition: opacity 200ms ease-in;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  opacity: 1;
}

@keyframes tt-fade-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tt-animate-in,
.animate-in {
  animation: tt-fade-up 240ms ease-out;
}

@media (max-width: 640px) {
  .tt-page-container {
    width: min(100% - 1rem, 1500px);
    padding-block: 0.75rem 2.5rem;
  }

  .tt-hero {
    border-radius: 1.2rem;
  }
}