/* Color Contrast Checker. Needs /assets/css/modern-tool-cards.css (tokens + .cat-color accent). */
.cc, .cc *, .cc *::before, .cc *::after { box-sizing: border-box; }
.cc { display: grid; gap: 1rem; }
.cc [hidden] { display: none !important; }

.cc-panel { background: var(--tc-bg); border: 1px solid var(--tc-border); border-radius: 20px; box-shadow: var(--tc-shadow); overflow: hidden; display: grid; }

.cc-panel__head { display: flex; align-items: center; flex-wrap: wrap; gap: .6rem; padding: .9rem 1.25rem; background: var(--tc-surface); border-bottom: 1px solid var(--tc-border); }
.cc-panel__head h3 { margin: 0; font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--tc-muted); }
.cc-panel__head > i { color: var(--accent); font-size: 1.1rem; }

.cc-body { display: grid; gap: 1.1rem; padding: 1.25rem; }

.cc-fields { display: flex; align-items: flex-end; gap: 1rem; flex-wrap: wrap; }
.cc-field { display: grid; gap: .35rem; flex: 1 1 14rem; }
.cc-field label { font-size: .8rem; font-weight: 600; color: var(--tc-muted); }
.cc-box { display: flex; align-items: center; gap: .5rem; border: 1px solid var(--tc-border); border-radius: 12px; padding: .3rem .4rem; background: var(--tc-bg); }
.cc-picker { width: 2.1rem; height: 2.1rem; padding: 0; border: 1px solid var(--tc-border); border-radius: 8px; background: none; cursor: pointer; flex: 0 0 auto; }
.cc-input { flex: 1 1 auto; min-width: 0; height: 2.1rem; padding: 0 .5rem; font: inherit; font-size: .92rem; font-family: ui-monospace, "SF Mono", Consolas, monospace; color: var(--tc-text); background: transparent; border: none; }
.cc-input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-radius: 6px; }

.cc-swap {
  flex: 0 0 auto; width: 2.6rem; height: 2.6rem; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--tc-border); border-radius: 50%; background: var(--tc-bg); color: var(--tc-muted); cursor: pointer;
  margin-bottom: .1rem;
}
.cc-swap:hover { color: var(--accent); border-color: var(--accent); }
.cc-swap:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.cc-error { margin: 0; font-size: .85rem; font-weight: 600; color: #dc2626; }

.cc-main { display: grid; grid-template-columns: 1fr auto; gap: 1.25rem; align-items: stretch; padding-top: .5rem; border-top: 1px solid var(--tc-border); }
@media (max-width: 640px) { .cc-main { grid-template-columns: 1fr; } }

.cc-preview { border-radius: 16px; padding: 1.4rem; display: grid; gap: .5rem; align-content: center; border: 1px solid var(--tc-border); }
.cc-preview__large { margin: 0; font-size: 1.6rem; font-weight: 700; line-height: 1.25; }
.cc-preview__normal { margin: 0; font-size: 1rem; line-height: 1.5; }

.cc-score { display: grid; place-items: center; gap: .2rem; min-width: 9rem; text-align: center; }
.cc-score__ratio { font-size: 2rem; font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; }
.cc-score__label { font-size: .78rem; font-weight: 600; color: var(--tc-muted); text-transform: uppercase; letter-spacing: .03em; }

.cc-grades { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: .7rem; }
.cc-grade { display: flex; align-items: flex-start; gap: .6rem; background: var(--tc-surface); border: 1px solid var(--tc-border); border-radius: 14px; padding: .8rem .9rem; }
.cc-grade strong { display: block; font-size: .88rem; color: var(--tc-text); }
.cc-grade p { margin: .1rem 0 0; font-size: .78rem; color: var(--tc-muted); }

.cc-grade__badge {
  flex: 0 0 auto; width: 1.6rem; height: 1.6rem; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .85rem; color: #fff; margin-top: .05rem;
}
.cc-grade__badge.is-pass { background: #16a34a; }
.cc-grade__badge.is-fail { background: #dc2626; }

.cc-foot { margin: 0; display: flex; gap: .5rem; font-size: .84rem; color: var(--tc-muted); }
.cc-foot i { color: var(--accent); margin-top: .15rem; }
.cc-foot code { font-size: .85em; }