/* Advanced Learning — Maths Tutor & English Master */

.ai-study-maths-tutor-advanced .ai-study-advanced-badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 16px;
}

.ai-study-maths-tutor-advanced .ai-study-chip {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(74, 47, 181, 0.08);
    color: #4a2fb5;
    font-size: 12px;
    font-weight: 600;
}

.ai-study-premium-fields--inline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}

.ai-study-tool-actions--wrap {
    flex-wrap: wrap;
    gap: 8px;
}

.ai-study-advanced-output {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ai-study-advanced-output__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ai-study-learn-block {
    background: #fff;
    border: 1px solid rgba(74, 47, 181, 0.12);
    border-radius: 12px;
    padding: 14px 16px;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.ai-study-learn-block h4 {
    margin: 0 0 8px;
    color: #4a2fb5;
    font-size: 15px;
}

.ai-study-formula-box {
    background: linear-gradient(135deg, rgba(74, 47, 181, 0.08), rgba(99, 102, 241, 0.06));
    border-left: 4px solid #4a2fb5;
    border-radius: 8px;
    padding: 12px 14px;
    margin: 10px 0;
    font-weight: 600;
}

.ai-study-advanced-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.ai-study-advanced-toolbar__btn {
    min-height: 36px;
    font-size: 13px;
}

.ai-study-vocab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 14px;
}

.ai-study-vocab-card {
    background: #fff;
    border: 1px solid rgba(74, 47, 181, 0.12);
    border-radius: 14px;
    padding: 14px;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.ai-study-vocab-card.is-mastered {
    border-color: #16a34a;
    box-shadow: 0 0 0 1px rgba(22, 163, 74, 0.2);
}

.ai-study-vocab-card h5 {
    margin: 0 0 8px;
    font-size: 18px;
    color: #1e293b;
}

.ai-study-pronunciation-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

.ai-study-icon-btn {
    border: none;
    background: rgba(74, 47, 181, 0.1);
    border-radius: 8px;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
}

.ai-study-icon-btn:hover {
    background: rgba(74, 47, 181, 0.18);
}

.ai-study-english-master--advanced .ai-study-english-tool-card {
    border-radius: 14px;
    border: 1px solid rgba(74, 47, 181, 0.1);
    background: #fff;
}

.ai-study-ai-loading {
    text-align: center;
    padding: 24px 16px;
}

.ai-study-ai-loading__title {
    margin: 0 0 6px;
    color: #4a2fb5;
    font-size: 16px;
}

.ai-study-ai-loading__text {
    margin: 0;
    color: #64748b;
    font-size: 14px;
}

.ai-study-vocab-quiz {
    margin-top: 12px;
    padding: 14px;
    border-radius: 12px;
    background: rgba(74, 47, 181, 0.05);
}

@media (max-width: 640px) {
    .ai-study-vocab-grid {
        grid-template-columns: 1fr;
    }

    .ai-study-advanced-toolbar {
        flex-direction: column;
    }

    .ai-study-advanced-toolbar__btn {
        width: 100%;
    }

    .ai-study-tool-actions--wrap .ai-study-primary-button,
    .ai-study-tool-actions--wrap .ai-study-secondary-button {
        width: 100%;
    }
}

/* ===== AI Teacher Output — Expanded Reading Experience ===== */
.ai-study-output-window--expanded {
    width: 100%;
    padding: 16px 18px 18px;
    border-radius: 16px;
}

.ai-study-output-window--expanded > h3 {
    display: none;
}

.ai-study-maths-tutor-advanced .ai-study-tool-panel,
.ai-study-maths-tutor-advanced .ai-study-tool-grid {
    width: 100%;
    max-width: 100%;
}

.ai-study-answer-output--expanded {
    border-radius: 14px;
    line-height: 1.8;
    letter-spacing: 0.01em;
    width: 100%;
    word-wrap: break-word;
    overflow-wrap: anywhere;
}

.ai-study-answer-output--expanded .ai-study-output-block,
.ai-study-table-output .ai-study-output-block,
.ai-study-answer-output--expanded .ai-study-advanced-output__body {
    margin-bottom: 18px;
}

.ai-study-answer-output--expanded .ai-study-output-block:last-child,
.ai-study-table-output .ai-study-output-block:last-child {
    margin-bottom: 0;
}

.ai-study-answer-output--expanded p,
.ai-study-table-output p,
.ai-study-answer-output--expanded li {
    margin-bottom: 14px;
    line-height: 1.8;
}

.ai-study-answer-output--expanded h4,
.ai-study-table-output h4 {
    margin: 22px 0 12px;
    font-size: 17px;
    line-height: 1.45;
}

.ai-study-answer-output--expanded h4:first-child,
.ai-study-table-output h4:first-child {
    margin-top: 0;
}

.ai-study-answer-output--expanded ol,
.ai-study-answer-output--expanded ul,
.ai-study-table-output ol,
.ai-study-table-output ul {
    padding-left: 1.5em;
    margin: 0 0 18px;
}

.ai-study-answer-output--expanded .ai-study-learn-block,
.ai-study-table-output .ai-study-learn-block {
    margin-bottom: 16px;
    padding: 16px 18px;
}

.ai-study-answer-output--expanded .ai-study-formula-box,
.ai-study-table-output .ai-study-formula-box {
    margin: 14px 0 18px;
    padding: 14px 16px;
    font-size: 15px;
    line-height: 1.65;
}

.ai-study-answer-output--expanded .ai-study-advanced-output,
.ai-study-table-output .ai-study-advanced-output {
    gap: 16px;
}

.ai-study-tool-panel {
    width: 100%;
    max-width: 100%;
}

@media (min-width: 901px) {
    .ai-study-maths-tutor-advanced,
    .ai-study-tool-panel[data-ai-study-tool="maths-tutor"] {
        padding-right: 0;
        padding-left: 0;
    }
}

@media (min-width: 1200px) {
    .ai-study-learn-block h4 {
        font-size: 16px;
    }
}