.tools-page { width: 100%; box-sizing: border-box; max-width: 1080px; margin: 0 auto; padding: 88px 20px 48px; position: relative; }
.tools-page h1 { font-family: "Sora", sans-serif; font-size: clamp(1.8rem, 5vw, 2.6rem); margin: 0 0 8px; color: var(--ink); }
.tools-page .lead { color: var(--muted); margin: 0 0 22px; }
.tools-page .back { display: inline-block; margin-bottom: 16px; font-size: 15px; color: var(--muted); text-decoration: none; }
.tools-page .back:hover { color: var(--ink); }
.sub-tabs { display: flex; gap: 8px; margin-bottom: 22px; }
.sub-tabs a { padding: 8px 18px; border: 1px solid var(--line); border-radius: 999px; color: var(--text); text-decoration: none; font-size: 14px; }
.sub-tabs a.is-on { background: var(--accent); border-color: var(--accent); color: #fff; }
.style-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.tools-page select, .tools-page input[type=text], .tools-page textarea { width: 100%; max-width: 100%; font: inherit; color: var(--ink); background: rgba(10, 10, 18, 0.9); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.style-row select { width: auto; min-width: 180px; }
.tools-page textarea.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 14px; }
.tools-page select:focus, .tools-page input:focus, .tools-page textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.chips-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 18px; }
.chip-link, .chip-btn { display: inline-block; padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--text); font: inherit; font-size: 14px; text-decoration: none; cursor: pointer; text-align: left; }
.chip-link:hover, .chip-btn:hover { border-color: var(--accent); color: var(--ink); }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.tool-card { display: block; padding: 20px; background: rgba(18, 18, 28, 0.9); border: 1px solid var(--line); border-radius: 16px; color: var(--text); text-decoration: none; transition: border-color .2s, transform .2s, box-shadow .2s; }
.tool-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 8px 28px rgba(139, 92, 246, 0.2); }
.tool-card svg { color: #a78bfa; margin-bottom: 10px; }
.tool-card h3 { margin: 0 0 6px; font-size: 1.05rem; color: var(--ink); }
.tool-card p { margin: 0; font-size: 14px; color: var(--muted); }
.tool-form { display: grid; gap: 4px; padding: 20px; max-width: 760px; background: rgba(18, 18, 28, 0.92); border: 1px solid var(--line); border-radius: 16px; }
.fld { margin-bottom: 14px; }
.fld label { display: block; margin-bottom: 6px; font-size: 14px; color: var(--muted); }
.link-btn { background: none; border: 0; color: #a78bfa; text-decoration: underline; cursor: pointer; font: inherit; padding: 0; }
.tool-out { max-width: 760px; margin-top: 22px; }
.answer-card { padding: 20px; background: rgba(18, 18, 28, 0.92); border: 1px solid var(--line); border-radius: 16px; line-height: 1.6; overflow-wrap: anywhere; }
.answer-card h3 { margin: 1em 0 .4em; color: var(--ink); }
.answer-card pre { overflow-x: auto; padding: 12px; background: #05050a; border-radius: 10px; }
.answer-card code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 14px; }
.answer-card .table-wrap { overflow-x: auto; }
.answer-card table { border-collapse: collapse; }
.answer-card th, .answer-card td { padding: 6px 10px; border: 1px solid var(--line); text-align: left; }
.out-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.src-list { padding-left: 18px; }
.src-list a { color: #a78bfa; overflow-wrap: anywhere; }
.refine .row { display: flex; gap: 8px; }
.feedback { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 16px; font-size: 14px; color: var(--muted); }
.quiz-q { margin: 0 0 18px; }
.quiz-opt { display: block; width: 100%; margin: 6px 0; padding: 12px 14px; text-align: left; font: inherit; color: var(--text); background: transparent; border: 1px solid var(--line); border-radius: 12px; cursor: pointer; }
.quiz-opt:hover { border-color: var(--accent); }
.quiz-opt.is-right { border-color: #22c55e; background: rgba(34, 197, 94, 0.15); }
.quiz-opt.is-wrong { border-color: #ef4444; background: rgba(239, 68, 68, 0.15); }
.quiz-why { color: var(--muted); font-size: 14px; }
.quiz-score { font-family: "Sora", sans-serif; color: var(--ink); }
@media (max-width: 600px) { .tools-page { padding-top: 130px; } .refine .row { flex-direction: column; } }