/* ============================================================
   Quiz v2 — стили
   ============================================================ */

.quiz-v2__step {
    display: none;
    animation: quizFadeIn 200ms ease;
}
.quiz-v2__step.is-active { display: block; }

@keyframes quizFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.quiz-v2__options { display: flex; flex-direction: column; }

.quiz-v2__option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border: 1.5px solid #E2E8F0;
    border-radius: 12px;
    cursor: pointer;
    transition: border-color 150ms, background 150ms;
    background: #fff;
    margin-bottom: 10px;
}
.quiz-v2__option:hover { border-color: #6366F1; background: #F8F9FF; }
.quiz-v2__option input[type="radio"] { margin-top: 4px; accent-color: #6366F1; }
.quiz-v2__option.is-selected { border-color: #6366F1; background: #EEF0FF; }
.quiz-v2__option-icon { flex: 0 0 22px; color: #6366F1; display: inline-flex; }
.quiz-v2__option-body { flex: 1; display: flex; flex-direction: column; }
.quiz-v2__option-label { font-weight: 600; font-size: 15px; color: #1F2937; }
.quiz-v2__option-hint  { font-size: 13px; color: #6B7280; margin-top: 2px; }

.quiz-v2__textarea {
    width: 100%;
    min-height: 110px;
    border: 1.5px solid #E2E8F0;
    border-radius: 12px;
    padding: 12px 14px;
    font-family: inherit;
    font-size: 15px;
    resize: vertical;
    box-sizing: border-box;
    background: #fff;
    color: #1F2937;
}
.quiz-v2__textarea:focus { border-color: #6366F1; outline: none; }

.quiz-v2__dropzone {
    border: 2px dashed #CBD5E1;
    border-radius: 12px;
    padding: 24px 16px;
    text-align: center;
    background: #F8FAFC;
    cursor: pointer;
    transition: border-color 150ms, background 150ms;
}
.quiz-v2__dropzone:hover, .quiz-v2__dropzone.is-dragover {
    border-color: #6366F1;
    background: #EEF0FF;
}
.quiz-v2__dropzone-icon { color: #6366F1; display: inline-flex; }
.quiz-v2__dropzone-title { font-weight: 600; margin-top: 8px; color: #1F2937; }
.quiz-v2__dropzone-hint { font-size: 13px; color: #6B7280; margin-top: 4px; }
.quiz-v2__dropzone input[type="file"] { display: none; }

.quiz-v2__files { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.quiz-v2__file {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid #E2E8F0;
    border-radius: 10px;
    background: #fff;
    font-size: 14px;
}
.quiz-v2__file-icon  { flex: 0 0 18px; color: #64748B; display: inline-flex; }
.quiz-v2__file-name  { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.quiz-v2__file-size  { color: #94A3B8; font-size: 12px; }
.quiz-v2__file-status { font-size: 12px; display: inline-flex; align-items: center; gap: 4px; }
.quiz-v2__file--uploading .quiz-v2__file-status { color: #6366F1; }
.quiz-v2__file--done    .quiz-v2__file-status { color: #10B981; }
.quiz-v2__file--error   { border-color: #EF4444; background: #FEF2F2; }
.quiz-v2__file--error   .quiz-v2__file-status { color: #DC2626; }
.quiz-v2__file-remove {
    background: transparent; border: 0; cursor: pointer;
    padding: 4px; color: #94A3B8; transition: color 150ms;
    display: inline-flex;
}
.quiz-v2__file-remove:hover { color: #DC2626; }
.quiz-v2__file-progress {
    height: 3px; background: #E2E8F0; border-radius: 99px; overflow: hidden;
    flex: 1; max-width: 80px;
}
.quiz-v2__file-progress-bar { height: 100%; background: #6366F1; transition: width 200ms; width: 0; }

.quiz-v2__reset {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 16px auto 0;
    background: transparent; border: 0;
    color: #94A3B8; font-size: 13px;
    cursor: pointer; padding: 6px 12px;
    border-radius: 8px;
    transition: color .2s, background .2s;
}
.quiz-v2__reset:hover { color: #DC2626; background: rgba(220, 38, 38, .06); }
.quiz-v2__reset .btn-icon { flex-shrink: 0; }

.quiz-v2__composite { display: flex; flex-direction: column; gap: 18px; }
.quiz-v2__field-label { font-size: 14px; font-weight: 600; color: #1F2937; margin-bottom: 6px; display: block; }
.quiz-v2__field-hint { font-size: 12px; color: #94A3B8; margin-top: 4px; }

.quiz-v2__chips { display: flex; gap: 8px; flex-wrap: wrap; }
.quiz-v2__chip {
    border: 1.5px solid #E2E8F0;
    border-radius: 99px;
    padding: 8px 16px;
    cursor: pointer;
    background: #fff;
    font-size: 14px;
    transition: all 150ms;
    color: #1F2937;
}
.quiz-v2__chip input { display: none; }
.quiz-v2__chip.is-selected { border-color: #6366F1; background: #EEF0FF; color: #4F46E5; font-weight: 600; }

@media (max-width: 640px) {
    .quiz-v2__option { padding: 12px 14px; }
    .quiz-v2__option-label { font-size: 14px; }
    .quiz-v2__dropzone { padding: 18px 12px; }
    .quiz-v2__reset { right: 48px; font-size: 11px; top: 10px; }
}