/* Case converter. Needs /assets/css/modern-tool-cards.css (tokens + .cat-website accent). */
.cv, .cv *, .cv *::before, .cv *::after { box-sizing: border-box; }
.cv { display: grid; gap: 1.25rem; }
.cv-panel { background: var(--tc-bg); border: 1px solid var(--tc-border); border-radius: 20px; box-shadow: var(--tc-shadow); overflow: hidden; }
.cv-panel__head { display: flex; align-items: center; gap: .6rem; padding: .9rem 1.25rem; background: var(--tc-surface); border-bottom: 1px solid var(--tc-border); }
.cv-panel__head h3 { margin: 0; font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--tc-muted); }
.cv-panel__head h3 label { margin: 0; font: inherit; letter-spacing: inherit; text-transform: inherit; color: inherit; }
.cv-panel__head > i { color: var(--accent); font-size: 1.1rem; }
.cv-stats { margin-left: auto; font-size: .78rem; font-weight: 600; color: var(--tc-muted); text-align: right; }
.cv-text { display: block; width: 100%; min-height: 14rem; padding: 1.1rem 1.25rem; resize: vertical; font: 1rem/1.65 inherit; color: var(--tc-text); background: var(--tc-bg); border: 0; border-radius: 0; }
.cv-text:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

.cv-body { display: grid; gap: 1rem; padding: 1.25rem; }
.cv-sub { margin: .5rem 0 0; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--tc-muted); }
.cv-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .6rem; }
.cv-case { display: grid; gap: .15rem; justify-items: start; min-width: 0; padding: .75rem 1rem; text-align: left; color: var(--tc-text); background: var(--tc-bg); border: 1px solid var(--tc-border); border-radius: 14px; cursor: pointer; transition: border-color .15s, background .15s; }
.cv-case:hover { border-color: var(--accent); background: rgba(var(--accent-rgb), .06); }
.cv-case:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.cv-case__name { font-size: .92rem; font-weight: 700; }
.cv-case__ex { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: .78rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--accent); }
.cv-check { display: flex; align-items: center; gap: .55rem; margin: 0; font-size: .86rem; font-weight: 500; color: var(--tc-text); cursor: pointer; }
.cv-check input { width: 1.05rem; height: 1.05rem; accent-color: var(--accent); }

.cv-actions { display: flex; flex-wrap: wrap; gap: .6rem; }
.cv-btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; height: 2.8rem; padding: 0 1.2rem; font-size: .92rem; font-weight: 600; color: var(--tc-text); background: var(--tc-bg); border: 1px solid var(--tc-border); border-radius: 12px; cursor: pointer; transition: border-color .15s, color .15s; }
.cv-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.cv-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.cv-btn:disabled { opacity: .55; cursor: default; }
.cv-btn--primary { color: #fff; background: var(--accent); border-color: var(--accent); }
.cv-btn--primary:hover:not(:disabled) { color: #fff; filter: brightness(1.08); }
.cv-btn--primary:disabled { opacity: .8; }
.cv-btn--danger:hover:not(:disabled) { color: #dc2626; border-color: #dc2626; }
.cv-msg { margin: 0; padding: .6rem 1rem; font-size: .85rem; font-weight: 600; color: var(--accent); background: rgba(var(--accent-rgb), .08); border-radius: 12px; }
.cv-msg.is-bad { color: #dc2626; background: rgba(220, 38, 38, .08); }
.cv-msg[hidden] { display: none; }
.cv-note { margin: 0; padding: .75rem 1rem; font-size: .78rem; color: var(--tc-muted); background: var(--tc-surface); border: 1px solid var(--tc-border); border-radius: 12px; }
.cv-note i { margin-right: .3rem; color: var(--accent); }

.cv-defs { display: grid; gap: .6rem; margin: 0 0 1rem; }
.cv-defs > div { padding: .8rem 1rem; background: var(--tc-surface); border: 1px solid var(--tc-border); border-radius: 12px; }
.cv-defs dt { font-size: .95rem; font-weight: 700; color: var(--tc-text); }
.cv-defs dd { margin: .2rem 0 0; font-size: .9rem; color: var(--tc-muted); overflow-wrap: anywhere; }

@media (max-width: 700px) { .cv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 420px) { .cv-grid { grid-template-columns: minmax(0, 1fr); } }
@media (prefers-reduced-motion: reduce) { .cv-case, .cv-btn { transition: none; } }