:root {
  --gutter: 14px;
  --radius-lg: 12px;
  --radius: 10px;
  --radius-sm: 8px;
  --shadow-1: 0 4px 14px rgba(0,0,0,.18);
  --shadow-2: 0 10px 28px rgba(0,0,0,.28);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans",
           Ubuntu, Cantarell, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --fs-xxl: clamp(20px, 1.6vw, 28px);
  --fs-xl:  clamp(15px, 1.2vw, 18px);
  --fs-lg:  14px;
  --fs-md:  13px;
  --fs-sm:  12px;
  --bg: #0d0f12;
  --bg-2: #101318;
  --card: #13171e;
  --card-2: #11151b;
  --border: #1a2029;
  --border-2: #242c38;
  --text: #e8eaee;
  --muted: #a8b0ba;
  --subtle: #cfd5dd;
  --accent: #a3a3a3;
  --focus: #d8d8d8;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
  background:
    radial-gradient(900px 600px at 8% -10%, rgba(255,255,255,.035), transparent),
    radial-gradient(900px 600px at 92% 0%, rgba(255,255,255,.03), transparent),
    linear-gradient(180deg, var(--bg), var(--bg-2) 55%, var(--bg));
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }

button {
  font: inherit; color: inherit;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 6px 10px;
  cursor: pointer;
  transition: transform .06s ease, background-color .18s ease, border-color .18s ease, opacity .18s ease, filter .18s ease;
}
button:hover { transform: translateY(-1px); }
button:active { transform: translateY(0); }
button:disabled { opacity: .55; cursor: not-allowed; transform: none; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 8px;
}

.tl-header {
  position: static !important;
  top: auto !important;
  z-index: auto !important;

  background: transparent !important;
  box-shadow: none !important;
  border-bottom: none !important;
  padding: 0.8rem 1rem;
}
.tl-title {
  margin: 0;
  padding: 14px var(--gutter) 4px;
  font-size: var(--fs-xxl);
  letter-spacing: .2px;
  text-align: center;
}
.tl-controls {
  display: flex; gap: 10px;
  align-items: center; justify-content: center;
  padding: 6px var(--gutter) 12px;
}
.btn {
  background: linear-gradient(180deg, #cfcfcf, #b9b9b9);
  color: #111;
  border: none;
  padding: 8px 12px;
  border-radius: 10px;
  box-shadow: var(--shadow-1);
}
.btn:hover { filter: brightness(1.05); }
.btn:active { filter: brightness(.98); }
.tl-hint { font-size: var(--fs-sm); color: var(--muted); }

.tl-main {
  width: 100%;
  max-width: none;
  padding: 18px var(--gutter) 70px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.tiers {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tier {
  display: grid;
  grid-template-columns: 100px 1fr 40px;
  align-items: stretch;
  position: relative;
  border-radius: var(--radius);
  background: var(--card);
  margin-bottom: 12px;
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.tier::before {
  content: "";
  position: absolute; inset: 0 auto 0 0; width: 6px;
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
  background: var(--border);
}

.tier-name-col {
  width: 100px;
  min-width: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  background: rgba(0, 0, 0, 0.1);
}

.tier-name {
  width: 100%;
  text-align: center;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.1);
  font-weight: bold;
  font-size: var(--fs-lg);
  color: white;
}

.tier-header {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
}

.tier-header::after {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 4px;
  background: linear-gradient(90deg, rgba(255,255,255,.28), rgba(255,255,255,0));
  mix-blend-mode: soft-light;
  pointer-events: none;
}

.tier-actions {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 10px 5px;
  background: rgba(0, 0, 0, 0.05);
  border-left: 1px solid var(--border);
}

.tier-actions button {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.tier-actions button:hover {
  background: rgba(255,255,255,.06);
  border-color: var(--border-2);
}

.tier-dropzone {
  flex: 1;
  min-height: 100px;
  padding: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: flex-start;
  margin-left: 0;
  padding-left: 10px;
}

/* Constrain char size inside tiers so it matches bench-grid item size */
.tier-dropzone .char {
  flex: 0 0 92px; /* fixed size for items in tiers */
  width: 92px;
  max-width: 100%;
}

.bench {
  position: static;
  background: linear-gradient(180deg, var(--card), var(--card-2));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  overflow: clip;
}

.bench-title {
  margin: 0;
  padding: 10px 12px;
  font-size: var(--fs-lg);
  font-weight: 700;
  letter-spacing: .15px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.02), transparent);
  color: var(--subtle);
}

.bench-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 10px;
  padding: 12px;
  min-height: 110px;
}

.char {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  padding: 0;
  margin: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.018));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform .10s ease, box-shadow .16s ease, border-color .16s ease, filter .16s ease;
  user-select: none;
}

.char-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #0b0f16;
}

@media (max-width: 620px) {
  .tier-dropzone .char,
  .bench-grid .char {
    aspect-ratio: 1 / 1;
  }
}

.drag-source { opacity: .22; }

.drag-avatar {
  position: absolute;
  z-index: 1000;
  pointer-events: none;
  transform: translate(0,0);
  will-change: transform;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,.55));
  transition: none !important;
}
.drag-avatar .char {
  transform: none !important;
  box-shadow: var(--shadow-2);
  border-color: var(--border-2);
}

.drop-target {
  outline: 2px dashed color-mix(in oklab, var(--accent), white 18%);
  outline-offset: -6px;
  background: linear-gradient(180deg, rgba(163,163,163,.10), transparent);
}

.drop-placeholder {
  border: 2px dashed color-mix(in oklab, var(--accent), white 12%);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(
      45deg,
      rgba(163,163,163,.14),
      rgba(163,163,163,.14) 8px,
      rgba(163,163,163,.22) 8px,
      rgba(163,163,163,.22) 16px
    );
  min-height: 76px;
}

:root {
--tier-ss: #b91c1c;
--tier-s:  #ea580c;
--tier-a:  #f59e0b;
--tier-b:  #facc15;
--tier-c:  #84cc16;

--tier-n1: #22c55e;
--tier-n2: #14b8a6;
--tier-n3: #06b6d4;
--tier-n4: #3b82f6;
--tier-n5: #334155;
}

.tier--ss::before { background: linear-gradient(180deg, color-mix(in oklab, var(--tier-ss), black 6%), var(--tier-ss)); }
.tier--s::before  { background: linear-gradient(180deg, color-mix(in oklab, var(--tier-s),  black 6%), var(--tier-s)); }
.tier--a::before  { background: linear-gradient(180deg, color-mix(in oklab, var(--tier-a),  black 6%), var(--tier-a)); }
.tier--b::before  { background: linear-gradient(180deg, color-mix(in oklab, var(--tier-b),  black 6%), var(--tier-b)); }
.tier--c::before  { background: linear-gradient(180deg, color-mix(in oklab, var(--tier-c),  black 6%), var,--tier-c)); }

.tier--new-1::before { background: linear-gradient(180deg, color-mix(in oklab, var(--tier-n1), black 6%), var(--tier-n1)); }
.tier--new-2::before { background: linear-gradient(180deg, color-mix(in oklab, var(--tier-n2), black 6%), var(--tier-n2)); }
.tier--new-3::before { background: linear-gradient(180deg, color-mix(in oklab, var(--tier-n3), black 6%), var(--tier-n3)); }
.tier--new-4::before { background: linear-gradient(180deg, color-mix(in oklab, var(--tier-n4), black 6%), var(--tier-n4)); }
.tier--new-5::before { background: linear-gradient(180deg, color-mix(in oklab, var(--tier-n5), black 6%), var(--tier-n5)); }

.tier--ss .tier-name-col { background: linear-gradient(to bottom, color-mix(in oklab, var(--tier-ss), white 12%), color-mix(in oklab, var(--tier-ss), black 12%)); }
.tier--s  .tier-name-col { background: linear-gradient(to bottom, color-mix(in oklab, var(--tier-s),  white 12%), color-mix(in oklab, var(--tier-s),  black 12%)); }
.tier--a  .tier-name-col { background: linear-gradient(to bottom, color-mix(in oklab, var(--tier-a),  white 12%), color-mix(in oklab, var(--tier-a),  black 12%)); }
.tier--b  .tier-name-col { background: linear-gradient(to bottom, color-mix(in oklab, var(--tier-b),  white 12%), color-mix(in oklab, var(--tier-b),  black 12%)); }
.tier--c  .tier-name-col { background: linear-gradient(to bottom, color-mix(in oklab, var(--tier-c),  white 12%), color-mix(in oklab, var(--tier-c),  black 12%)); }

.tier--new-1 .tier-name-col { background: linear-gradient(to bottom, color-mix(in oklab, var(--tier-n1), white 12%), color-mix(in oklab, var(--tier-n1), black 12%)); }
.tier--new-2 .tier-name-col { background: linear-gradient(to bottom, color-mix(in oklab, var(--tier-n2), white 12%), color-mix(in oklab, var(--tier-n2), black 12%)); }
.tier--new-3 .tier-name-col { background: linear-gradient(to bottom, color-mix(in oklab, var(--tier-n3), white 12%), color-mix(in oklab, var(--tier-n3), black 12%)); }
.tier--new-4 .tier-name-col { background: linear-gradient(to bottom, color-mix(in oklab, var(--tier-n4), white 12%), color-mix(in oklab, var(--tier-n4), black 12%)); }
.tier--new-5 .tier-name-col { background: linear-gradient(to bottom, color-mix(in oklab, var(--tier-n5), white 12%), color-mix(in oklab, var(--tier-n5), black 12%)); }

.hidden { display: none !important; }

:root { scrollbar-color: #6f6f6f transparent; scrollbar-width: thin; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: #6f6f6f;
  border-radius: 10px; border: 2px solid transparent; background-clip: padding-box;
}

@media (max-width: 620px) {
  .tier-dropzone { grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); }
  .bench-grid   { grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); }
  .tier-actions button { width: 28px; height: 28px; }
  .tier-dropzone .char {
    width: 92px;
  }
}

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

.btn-danger {
  background: linear-gradient(to bottom, #ff6b6b, #ee5a52);
  color: white;
}

.btn-danger:hover {
  background: linear-gradient(to bottom, #ff5252, #e53935);
}

.tl-main {
  background: transparent !important;
}

.tier {
  background: rgba(53, 61, 78, 0.6) !important;
}

.bench {
  background: rgba(53, 61, 78, 0.6) !important;
}

.tl-header {
  border-bottom: 1px solid rgba(26, 32, 41, 0.5) !important;
}

.char {
  background: rgba(255, 255, 255, 0.08) !important;
}

.tier-header {
  background: transparent !important;
}

.bench-title {
  background: transparent !important;
}