/* Интерактив «Как работает AI-методист» */
.mf { background: #fffdf9; border: 1px solid #e8ddce; border-radius: 26px; padding: 26px; display: grid; gap: 18px; }
.mf-top { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.mf-toggle { display: inline-flex; background: #f3ebe0; border-radius: 999px; padding: 3px; }
.mf-toggle button { border: 0; background: none; font: inherit; font-size: 14px; font-weight: 600; color: #8d644f; padding: 8px 16px; border-radius: 999px; cursor: pointer; }
.mf-toggle button[aria-pressed="true"] { background: #8d644f; color: #fff; }
.mf-demo { font-size: 12px; color: #a08f80; }
.mf-rail { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.mf-rail button { width: 100%; display: flex; gap: 10px; align-items: center; text-align: left; border: 1px solid #ece2d4; background: #faf6ef; border-radius: 14px; padding: 10px 12px; font: inherit; font-size: 14px; font-weight: 600; color: #3a3040; cursor: pointer; }
.mf-rail button small { display: block; font-weight: 400; font-size: 12px; color: #938375; }
.mf-rail .on button { border-color: #8d644f; background: #f3ebe0; }
.mf-num { flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: #ece2d4; color: #8d644f; font-size: 13px; }
.mf-rail .on .mf-num, .mf-rail .done .mf-num { background: #8d644f; color: #fff; }
.mf-stage { display: grid; gap: 14px; min-height: 360px; align-content: start; }
.mf-panel { background: #faf6ef; border: 1px solid #ece2d4; border-radius: 18px; padding: 18px; display: grid; gap: 10px; align-content: start; }
.mf-cap { font-size: 13px; color: #938375; margin: 0; }
.mf-nav { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.mf-btn { font-size: 15px; padding: 12px 20px; justify-self: start; }
.mf-link { border: 0; background: none; font: inherit; color: #8d644f; font-weight: 600; cursor: pointer; padding: 4px 0; text-decoration: underline; justify-self: start; }
/* чат */
.mf-chat { display: grid; gap: 8px; }
.mf-chat-head { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 14px; color: #3a3040; }
.mf-chat-head small { display: block; font-weight: 400; color: #938375; font-size: 12px; }
.mf-ava { width: 32px; height: 32px; border-radius: 50%; background: #8d644f; color: #fff; display: grid; place-items: center; font-size: 13px; font-weight: 700; flex: none; }
.mf-ava.big { width: 44px; height: 44px; font-size: 18px; }
.mf-ava.m { background: #3a3040; font-size: 11px; }
.mf-msg { margin: 0; padding: 10px 14px; border-radius: 16px; max-width: 85%; font-size: 15px; line-height: 1.45; animation: mf-in .25s ease-out; }
.mf-msg.bot { background: #fff; border: 1px solid #ece2d4; justify-self: start; border-bottom-left-radius: 4px; }
.mf-msg.me { background: #8d644f; color: #fff; justify-self: end; border-bottom-right-radius: 4px; }
.mf-typing::after { content: "▍"; opacity: .5; }
@keyframes mf-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.mf-note { background: #fff; border: 1px dashed #d8c6b2; border-radius: 14px; padding: 14px; }
.mf-note small { color: #938375; } .mf-note p { margin: 6px 0 0; }
/* карточка */
.mf-card-head { display: flex; gap: 12px; align-items: center; }
.mf-card-head h3 { margin: 0; font-size: 20px; } .mf-card-head small { color: #938375; }
.mf-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.mf-stat { background: #fff; border: 1px solid #ece2d4; border-radius: 12px; padding: 8px 10px; }
.mf-stat small { display: block; font-size: 12px; color: #938375; } .mf-stat b { font-size: 20px; }
.mf h4 { margin: 6px 0 0; font-size: 15px; }
.mf-err { background: #fff; border: 1px solid #ece2d4; border-radius: 12px; transition: border-color .2s, box-shadow .3s; }
.mf-err.bump { border-color: #c98a6b; box-shadow: 0 0 0 3px rgba(201, 138, 107, .15); }
.mf-err-btn { width: 100%; display: flex; justify-content: space-between; gap: 10px; align-items: center; flex-wrap: wrap; border: 0; background: none; font: inherit; text-align: left; padding: 10px 12px; cursor: pointer; color: #3a3040; }
.mf-err-btn.static { cursor: default; }
.mf-err-btn strong { font-size: 14px; }
.mf-err-tags { display: inline-flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.mf-pill { font-size: 12px; border-radius: 999px; padding: 3px 9px; font-weight: 600; }
.mf-pill.s3 { background: #f6dcd3; color: #8a3b24; } .mf-pill.s2 { background: #f7ead0; color: #7a5a1c; } .mf-pill.s1 { background: #efe9e2; color: #7d6f68; }
.mf-cnt { font-size: 12px; color: #7d6f68; background: #f3ebe0; border-radius: 999px; padding: 3px 9px; }
.mf-new { font-style: normal; font-size: 11px; color: #8a3b24; animation: mf-in .4s ease-out; }
.mf-ex-list { list-style: none; margin: 0; padding: 0 12px 10px; display: grid; gap: 4px; font-size: 14px; }
.mf-ex-list s { color: #a0603f; } .mf-ex-list small { color: #938375; }
/* вопросы */
.mf-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.mf-chip { border: 1px solid #d8c6b2; background: #fff; border-radius: 999px; padding: 8px 14px; font: inherit; font-size: 14px; color: #8d644f; cursor: pointer; }
.mf-chip.on { background: #8d644f; color: #fff; border-color: #8d644f; }
.mf-answer { display: grid; gap: 8px; }
.mf-after { display: grid; gap: 8px; }
.mf-prep { background: #fff; border: 1px solid #ece2d4; border-radius: 14px; padding: 12px 14px; }
.mf-ex { margin: 6px 0; padding-left: 20px; font-size: 14px; display: grid; gap: 3px; }
.mf-keys { font-size: 14px; color: #6d5f63; margin: 4px 0 0; }
/* урок */
.mf-lesson-head h3 { margin: 0; font-size: 20px; } .mf-lesson-head small { color: #938375; }
.mf-why { display: grid; gap: 2px; background: #fff; border-left: 3px solid #8d644f; border-radius: 8px; padding: 8px 12px; }
.mf-why small { color: #938375; }
.mf-plan { display: grid; gap: 4px; }
.mf-plan-row { display: grid; grid-template-columns: 54px 92px 1fr; gap: 8px; font-size: 14px; background: #fff; border-radius: 8px; padding: 6px 10px; }
.mf-min { font-weight: 700; color: #8d644f; } .mf-phase { color: #938375; }
.mf-ok { margin: 0; background: #e6f0e1; color: #2f5a26; border-radius: 12px; padding: 10px 14px; font-weight: 600; }
.mf-privacy { font-size: 12px; color: #a08f80; margin: 0; }
/* мини-версия для главной */
.mf-mini { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; align-items: start; }
.mf-is-mini .mf-stage { min-height: 0; }
.mf-full { color: #8d644f; font-weight: 600; }
@media (max-width: 860px) {
  .mf { padding: 16px; border-radius: 20px; }
  .mf-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mf-mini { grid-template-columns: 1fr; }
  .mf-plan-row { grid-template-columns: 46px 1fr; } .mf-plan-row > span:last-child { grid-column: 1 / -1; }
  .mf-msg { max-width: 95%; }
}
.mf-cta { margin-top: 18px; }