.problem-solving-page--math .problem-solving-chat-kicker,
.problem-solving-page--math .problem-solving-card-kicker {
    color: #d8fbff;
    background: rgba(82, 195, 255, 0.12);
    border-color: rgba(82, 195, 255, 0.24);
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-panel {
    background:
        radial-gradient(circle at top right, rgba(82, 195, 255, 0.08), transparent 24%),
        linear-gradient(180deg, rgba(18, 21, 46, 0.97), rgba(9, 11, 28, 0.97));
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-empty-state {
    background:
        linear-gradient(180deg, rgba(82, 195, 255, 0.08), transparent 44%),
        rgba(255, 255, 255, 0.02);
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-head {
    background:
        radial-gradient(circle at top right, rgba(126, 231, 135, 0.08), transparent 28%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-link {
    gap: 12px;
    min-height: 52px;
    padding: 0 20px 0 14px;
    border-color: rgba(126, 231, 135, 0.34);
    background: linear-gradient(135deg, rgba(126, 231, 135, 0.18), rgba(41, 166, 255, 0.18));
    box-shadow: 0 14px 28px rgba(41, 166, 255, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.14);
    color: #ffffff;
    font-weight: 700;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-link-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    color: #071220;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1;
    flex-shrink: 0;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-link:hover,
.problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-link:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(82, 195, 255, 0.38);
    background: linear-gradient(135deg, rgba(126, 231, 135, 0.24), rgba(41, 166, 255, 0.24));
    box-shadow: 0 18px 32px rgba(41, 166, 255, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 16px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.82);
    font-weight: 600;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-form--chat {
    padding-top: 20px;
    background:
        linear-gradient(180deg, rgba(7, 9, 24, 0.94), rgba(7, 9, 24, 0.86)),
        rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(14px);
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-composer {
    padding: 18px;
    border-radius: 24px;
    border: 1px solid rgba(126, 231, 135, 0.16);
    background:
        radial-gradient(circle at top right, rgba(82, 195, 255, 0.12), transparent 28%),
        linear-gradient(180deg, rgba(20, 18, 47, 0.96), rgba(10, 10, 29, 0.96));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 14px 28px rgba(0, 0, 0, 0.14);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-composer:focus-within {
    border-color: rgba(82, 195, 255, 0.52);
    background:
        radial-gradient(circle at top right, rgba(82, 195, 255, 0.16), transparent 28%),
        linear-gradient(180deg, rgba(22, 20, 52, 0.98), rgba(10, 10, 31, 0.98));
    box-shadow: 0 0 0 1px rgba(82, 195, 255, 0.18), 0 16px 32px rgba(41, 166, 255, 0.16);
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-composer-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-composer .problem-solving-label {
    margin-bottom: 0;
    font-weight: 700;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-composer-shortcut {
    color: rgba(255, 255, 255, 0.52);
    font-size: 0.84rem;
    line-height: 1.5;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-composer-note {
    margin: 10px 0 14px;
    color: var(--math-muted);
    line-height: 1.6;
    font-size: 0.96rem;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-form--chat textarea {
    min-height: 132px;
    max-height: 260px;
    padding: 18px 20px;
    border-radius: 20px;
    border-color: rgba(126, 231, 135, 0.16);
    background:
        radial-gradient(circle at top left, rgba(82, 195, 255, 0.06), transparent 26%),
        rgba(7, 10, 25, 0.94);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-form--chat textarea:focus {
    border-color: rgba(126, 231, 135, 0.4);
    box-shadow: 0 0 0 1px rgba(126, 231, 135, 0.3), 0 0 22px rgba(82, 195, 255, 0.14);
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-form--chat .problem-solving-form-footer {
    margin-top: 18px;
    align-items: stretch;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-form--chat .problem-solving-limit-info {
    height: 100%;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-submit {
    justify-content: space-between;
    gap: 16px;
    min-width: 310px;
    min-height: 76px;
    padding: 10px 10px 10px 22px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 22px;
    color: #061422;
    background: linear-gradient(135deg, #7ee787 0%, #52fefe 48%, #29a6ff 100%);
    box-shadow: 0 18px 34px rgba(41, 166, 255, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.32);
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-submit-label {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 0;
    gap: 4px;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-submit .btn-text {
    color: #061422;
    font-size: 1.05rem;
    line-height: 1.2;
    font-weight: 800;
    text-align: left;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-submit-caption,
.problem-solving-chat-page.problem-solving-page--math .problem-solving-submit-loading {
    color: rgba(6, 20, 34, 0.78);
    font-size: 0.84rem;
    line-height: 1.45;
    font-weight: 700;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-submit-loading-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-submit-loading {
    font-size: 0.98rem;
    line-height: 1.2;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-submit-icon {
    background: rgba(6, 20, 34, 0.12);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-submit:hover {
    box-shadow: 0 20px 38px rgba(41, 166, 255, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-submit:focus-visible {
    box-shadow: 0 0 0 2px rgba(126, 231, 135, 0.26), 0 18px 34px rgba(41, 166, 255, 0.28);
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-submit[disabled] {
    color: rgba(6, 20, 34, 0.74);
    opacity: 0.82;
}

.problem-solving-chat-page.problem-solving-page--math .problem-solving-submit .spinner {
    width: 22px;
    height: 22px;
    border-width: 3px;
    border-color: rgba(6, 20, 34, 0.22);
    border-top-color: #061422;
}

.problem-solving-page.problem-solving-page--math {
    --math-ink: rgba(255, 255, 255, 0.88);
    --math-heading: #ffffff;
    --math-muted: rgba(255, 255, 255, 0.72);
    --math-line: rgba(126, 231, 135, 0.16);
    --math-line-strong: rgba(126, 231, 135, 0.34);
    --math-surface: rgba(20, 17, 48, 0.92);
    --math-surface-strong: rgba(15, 12, 40, 0.96);
    --math-shadow: 0 14px 28px rgba(0, 0, 0, 0.18);
    position: relative;
    isolation: isolate;
    background: linear-gradient(180deg, rgba(16, 13, 41, 0.98), rgba(14, 12, 36, 0.98));
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
    overflow: hidden;
}

.problem-solving-page.problem-solving-page--math::before,
.problem-solving-page.problem-solving-page--math::after {
    content: none;
}

.problem-solving-page.problem-solving-page--math > * {
    position: relative;
    z-index: 1;
}

.problem-solving-page.problem-solving-page--math h2 {
    color: var(--math-heading);
}

.problem-solving-page.problem-solving-page--math h3 {
    color: var(--math-heading);
}

.problem-solving-page.problem-solving-page--math .problem-solving-hero-copy,
.problem-solving-page.problem-solving-page--math .problem-solving-start-card,
.problem-solving-page.problem-solving-page--math .problem-solving-section-card,
.problem-solving-page.problem-solving-page--math .problem-solving-audience-card,
.problem-solving-page.problem-solving-page--math .problem-solving-step,
.problem-solving-page.problem-solving-page--math .faq details {
    border: 1px solid var(--math-line);
    box-shadow: var(--math-shadow);
}

.problem-solving-page.problem-solving-page--math .problem-solving-hero-copy {
    background: linear-gradient(180deg, rgba(22, 18, 56, 0.98), rgba(13, 12, 36, 0.96));
}

.problem-solving-page.problem-solving-page--math .problem-solving-start-card {
    background: linear-gradient(180deg, rgba(20, 17, 49, 0.98), rgba(11, 10, 31, 0.96));
}

.problem-solving-page.problem-solving-page--math .problem-solving-section-card {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(21, 18, 50, 0.98), rgba(12, 11, 34, 0.95));
}

.problem-solving-page.problem-solving-page--math .problem-solving-section-card--overview::after {
    content: none;
}

.problem-solving-page.problem-solving-page--math .problem-solving-badge {
    color: var(--site-green);
    background: rgba(126, 231, 135, 0.12);
    border-color: rgba(126, 231, 135, 0.4);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.problem-solving-page.problem-solving-page--math .problem-solving-card-kicker {
    color: var(--fiolet);
    background: rgba(188, 140, 255, 0.14);
    border-color: rgba(188, 140, 255, 0.24);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.problem-solving-page.problem-solving-page--math .problem-solving-section-card--overview .problem-solving-card-kicker {
    color: #f1e739;
    background: rgba(241, 231, 57, 0.18);
    border-color: rgba(241, 231, 57, 0.28);
}

.problem-solving-page.problem-solving-page--math .problem-solving-hero-copy h1 {
    color: var(--math-heading);
}

.problem-solving-page.problem-solving-page--math .problem-solving-lead {
    color: var(--math-muted);
    max-width: 860px;
}

.problem-solving-page.problem-solving-page--math .problem-solving-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;
}

.problem-solving-page.problem-solving-page--math .problem-solving-point {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: hidden;
    height: 100%;
    padding: 18px 18px 20px;
    border: 1px solid var(--math-line);
    background: var(--math-surface-strong);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.16);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 0;
    height: 4px;
    border-radius: 999px 999px 0 0;
}

.problem-solving-page.problem-solving-page--math .problem-solving-point-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0;
    color: var(--math-heading);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point > span {
    color: var(--math-muted);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 14px;
    flex-shrink: 0;
    border: 1px solid currentColor;
    background: rgba(255, 255, 255, 0.08);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point-icon svg {
    width: 20px;
    height: 20px;
}

.problem-solving-page.problem-solving-page--math .problem-solving-point--logic {
    background: rgba(17, 22, 53, 0.96);
    border-color: rgba(82, 254, 254, 0.26);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point--logic::after {
    background: linear-gradient(90deg, #52fefe, #7ee787);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point--logic .problem-solving-point-icon {
    color: #52fefe;
    background: rgba(82, 254, 254, 0.1);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point--dialog {
    background: rgba(24, 17, 54, 0.95);
    border-color: rgba(188, 140, 255, 0.28);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point--dialog::after {
    background: linear-gradient(90deg, #bc8cff, #7d5fd9);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point--dialog .problem-solving-point-icon {
    color: #d2b2ff;
    background: rgba(188, 140, 255, 0.12);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point--history {
    background: rgba(17, 24, 47, 0.95);
    border-color: rgba(126, 231, 135, 0.32);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point--history::after {
    background: linear-gradient(90deg, #7ee787, #f1e739);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point--history .problem-solving-point-icon {
    color: #7ee787;
    background: rgba(126, 231, 135, 0.12);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point--photo {
    background: rgba(16, 19, 49, 0.95);
    border-color: rgba(82, 254, 254, 0.22);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point--photo::after {
    background: linear-gradient(90deg, #29a6ff, #bc8cff);
}

.problem-solving-page.problem-solving-page--math .problem-solving-point--photo .problem-solving-point-icon {
    color: #6fc6ff;
    background: rgba(41, 166, 255, 0.12);
}

.problem-solving-page.problem-solving-page--math .problem-solving-hero-card h2,
.problem-solving-page.problem-solving-page--math .problem-solving-section-card h2,
.problem-solving-page.problem-solving-page--math .problem-solving-steps h2,
.problem-solving-page.problem-solving-page--math .problem-solving-audience h2,
.problem-solving-page.problem-solving-page--math .problem-solving-faq h2 {
    color: var(--math-heading);
}

.problem-solving-page.problem-solving-page--math .problem-solving-card-note,
.problem-solving-page.problem-solving-page--math .problem-solving-form-hint,
.problem-solving-page.problem-solving-page--math .problem-solving-section-card p,
.problem-solving-page.problem-solving-page--math .problem-solving-step p,
.problem-solving-page.problem-solving-page--math .problem-solving-audience-card p,
.problem-solving-page.problem-solving-page--math .problem-solving-photo-note {
    color: var(--math-muted);
}

.problem-solving-page--math .problem-solving-limit-label {
    color: var(--math-muted, rgba(255, 255, 255, 0.64));
}

.problem-solving-page--math .problem-solving-limit-value {
    color: var(--math-heading, #ffffff);
}

.problem-solving-page--math .problem-solving-limit-title {
    color: rgba(255, 255, 255, 0.48);
}

.problem-solving-page--math .problem-solving-limit-info {
    border-color: rgba(126, 231, 135, 0.14);
    background: rgba(255, 255, 255, 0.03);
}

.problem-solving-page--math .problem-solving-limit-row {
    border-color: rgba(255, 255, 255, 0.08);
}

.problem-solving-page--math .problem-solving-limit-row--count {
    border-color: rgba(126, 231, 135, 0.24);
    background: linear-gradient(180deg, rgba(126, 231, 135, 0.1), rgba(126, 231, 135, 0.04));
}

.problem-solving-page--math .problem-solving-limit-row--count .problem-solving-limit-value {
    background: rgba(126, 231, 135, 0.18);
    color: var(--site-green);
}

.problem-solving-page--math .problem-solving-limit-row--reset {
    border-color: rgba(188, 140, 255, 0.22);
    background: linear-gradient(180deg, rgba(188, 140, 255, 0.1), rgba(188, 140, 255, 0.04));
}

.problem-solving-page--math .problem-solving-limit-row--reset .problem-solving-limit-value {
    color: var(--fiolet);
}

.problem-solving-page.problem-solving-page--math .problem-solving-label,
.problem-solving-page.problem-solving-page--math .problem-solving-photo-title {
    color: var(--math-heading);
    font-weight: 700;
}

.problem-solving-page.problem-solving-page--math .problem-solving-form textarea {
    border: 1px solid rgba(126, 231, 135, 0.22);
    background: rgba(9, 9, 27, 0.72);
    color: var(--math-ink);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.problem-solving-page.problem-solving-page--math .problem-solving-form textarea:focus {
    outline: none;
    border-color: rgba(126, 231, 135, 0.42);
    box-shadow: 0 0 0 4px rgba(126, 231, 135, 0.12), 0 14px 26px rgba(0, 0, 0, 0.24);
}

.problem-solving-page.problem-solving-page--math .problem-solving-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.42);
}

.problem-solving-page.problem-solving-page--math .problem-solving-photo-field {
    border: 1px solid rgba(126, 231, 135, 0.14);
    background: rgba(255, 255, 255, 0.03);
}

.problem-solving-page.problem-solving-page--math .problem-solving-photo-button,
.problem-solving-page.problem-solving-page--math .problem-solving-photo-remove {
    border-color: rgba(188, 140, 255, 0.22);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
}

.problem-solving-page.problem-solving-page--math .problem-solving-photo-button:hover,
.problem-solving-page.problem-solving-page--math .problem-solving-photo-remove:hover {
    background: rgba(126, 231, 135, 0.1);
    border-color: rgba(126, 231, 135, 0.34);
}

.problem-solving-page.problem-solving-page--math .problem-solving-photo-preview {
    background: rgba(7, 10, 25, 0.62);
}

.problem-solving-page.problem-solving-page--math .problem-solving-photo-name {
    color: var(--math-heading);
}

.problem-solving-page.problem-solving-page--math .problem-solving-photo-status {
    color: var(--math-muted);
}

.problem-solving-page.problem-solving-page--math .problem-solving-photo-error {
    color: #ff7b98;
}

.problem-solving-page.problem-solving-page--math .problem-solving-form-hint {
    max-width: 720px;
}

.problem-solving-page.problem-solving-page--math .problem-solving-form--entry .problem-solving-submit {
    border-color: rgba(126, 231, 135, 0.4);
    color: #ffffff;
    background: linear-gradient(90deg, rgba(126, 231, 135, 0.14), rgba(188, 140, 255, 0.18));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 12px 24px rgba(0, 0, 0, 0.18);
}

.problem-solving-page.problem-solving-page--math .problem-solving-form--entry .problem-solving-submit::before {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0));
}

.problem-solving-page.problem-solving-page--math .problem-solving-form--entry .problem-solving-submit:hover,
.problem-solving-page.problem-solving-page--math .problem-solving-form--entry .problem-solving-submit:focus-visible {
    border-color: rgba(188, 140, 255, 0.38);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 14px 28px rgba(0, 0, 0, 0.22);
}

.problem-solving-page.problem-solving-page--math .problem-solving-form--entry .problem-solving-submit-icon {
    background: linear-gradient(135deg, var(--site-green), var(--fiolet));
    box-shadow: 0 6px 14px rgba(126, 231, 135, 0.14);
}

.problem-solving-page.problem-solving-page--math .problem-solving-section-card,
.problem-solving-page.problem-solving-page--math .problem-solving-steps,
.problem-solving-page.problem-solving-page--math .problem-solving-faq,
.problem-solving-page.problem-solving-page--math .problem-solving-audience {
    color: var(--math-ink);
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience {
    margin-top: 40px;
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience h2 {
    margin-bottom: 18px;
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: stretch;
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience-card {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
    padding: 16px;
    border-radius: 28px;
    background: rgba(18, 16, 46, 0.95);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience-card::before {
    content: none;
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.2);
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience-label {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--math-heading);
    background: rgba(255, 255, 255, 0.06);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience-label::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, #29a6ff, #7ee787);
    box-shadow: 0 0 8px rgba(126, 231, 135, 0.22);
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience-card h3 {
    position: relative;
    margin: 18px 0 10px;
    line-height: 1.28;
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience--roles .problem-solving-audience-card:nth-child(1) {
    border-radius: 30px 30px 20px 30px;
    background: rgba(16, 21, 49, 0.95);
    border-color: rgba(82, 254, 254, 0.28);
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience--roles .problem-solving-audience-card:nth-child(1) .problem-solving-audience-label {
    background: rgba(82, 254, 254, 0.12);
    border-color: rgba(82, 254, 254, 0.28);
    color: var(--task-color);
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience--roles .problem-solving-audience-card:nth-child(2) {
    border-radius: 22px 32px 22px 32px;
    background: rgba(21, 15, 52, 0.95);
    border-color: rgba(188, 140, 255, 0.28);
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience--roles .problem-solving-audience-card:nth-child(2) .problem-solving-audience-label {
    background: rgba(188, 140, 255, 0.14);
    border-color: rgba(188, 140, 255, 0.3);
    color: var(--fiolet);
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience--roles .problem-solving-audience-card:nth-child(3) {
    border-radius: 32px 22px 32px 22px;
    background: rgba(16, 22, 43, 0.95);
    border-color: rgba(126, 231, 135, 0.28);
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience--roles .problem-solving-audience-card:nth-child(3) .problem-solving-audience-label {
    background: rgba(126, 231, 135, 0.16);
    border-color: rgba(126, 231, 135, 0.28);
    color: var(--site-green);
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience--task-types .problem-solving-audience-card:nth-child(1) {
    border-radius: 24px 32px 24px 28px;
    background: rgba(26, 21, 48, 0.95);
    border-color: rgba(241, 231, 57, 0.3);
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience--task-types .problem-solving-audience-card:nth-child(1) .problem-solving-audience-label {
    background: rgba(241, 231, 57, 0.16);
    border-color: rgba(241, 231, 57, 0.28);
    color: #f1e739;
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience--task-types .problem-solving-audience-card:nth-child(2) {
    border-radius: 30px 24px 30px 20px;
    background: rgba(16, 19, 50, 0.95);
    border-color: rgba(82, 254, 254, 0.24);
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience--task-types .problem-solving-audience-card:nth-child(2) .problem-solving-audience-label {
    background: rgba(82, 254, 254, 0.1);
    border-color: rgba(82, 254, 254, 0.22);
    color: var(--task-color);
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience--task-types .problem-solving-audience-card:nth-child(3) {
    border-radius: 32px 22px 26px 30px;
    background: rgba(22, 16, 51, 0.95);
    border-color: rgba(188, 140, 255, 0.24);
}

.problem-solving-page.problem-solving-page--math .problem-solving-audience--task-types .problem-solving-audience-card:nth-child(3) .problem-solving-audience-label {
    background: rgba(188, 140, 255, 0.14);
    border-color: rgba(188, 140, 255, 0.28);
    color: var(--fiolet);
}

.problem-solving-page.problem-solving-page--math .problem-solving-step-grid {
    margin-top: 18px;
    align-items: stretch;
}

.problem-solving-page.problem-solving-page--math .problem-solving-step {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
    border-radius: 28px;
    background: rgba(18, 16, 46, 0.95);
}

.problem-solving-page.problem-solving-page--math .problem-solving-step::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 4px;
}

.problem-solving-page.problem-solving-page--math .problem-solving-step-number {
    width: auto;
    height: auto;
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--math-heading);
    font-weight: 700;
}

.problem-solving-page.problem-solving-page--math .problem-solving-step--entry {
    border-color: rgba(126, 231, 135, 0.32);
    background: rgba(16, 22, 43, 0.95);
}

.problem-solving-page.problem-solving-page--math .problem-solving-step--entry::after {
    background: linear-gradient(90deg, #7ee787, #52fefe);
}

.problem-solving-page.problem-solving-page--math .problem-solving-step--entry .problem-solving-step-number {
    background: rgba(126, 231, 135, 0.16);
}

.problem-solving-page.problem-solving-page--math .problem-solving-step--answer {
    border-color: rgba(188, 140, 255, 0.3);
    background: rgba(21, 15, 52, 0.95);
}

.problem-solving-page.problem-solving-page--math .problem-solving-step--answer::after {
    background: linear-gradient(90deg, #bc8cff, #7d5fd9);
}

.problem-solving-page.problem-solving-page--math .problem-solving-step--answer .problem-solving-step-number {
    background: rgba(188, 140, 255, 0.15);
}

.problem-solving-page.problem-solving-page--math .problem-solving-step--followup {
    border-color: rgba(241, 231, 57, 0.3);
    background: rgba(26, 21, 48, 0.95);
}

.problem-solving-page.problem-solving-page--math .problem-solving-step--followup::after {
    background: linear-gradient(90deg, #f1e739, #7ee787);
}

.problem-solving-page.problem-solving-page--math .problem-solving-step--followup .problem-solving-step-number {
    background: rgba(241, 231, 57, 0.14);
}

.problem-solving-page.problem-solving-page--math .faq details {
    margin-bottom: 18px;
    padding: 16px 18px;
    border-radius: 22px;
    background: rgba(18, 16, 46, 0.95);
}

.problem-solving-page.problem-solving-page--math .faq summary {
    color: var(--math-heading);
    font-weight: 700;
}

.problem-solving-page.problem-solving-page--math .faq summary::before {
    color: var(--fiolet);
}

.problem-solving-page.problem-solving-page--math .faq details p {
    padding-left: 24px;
    color: var(--math-muted);
}

.problem-solving-page.problem-solving-page--math .faq details[open] {
    border-color: rgba(188, 140, 255, 0.28);
}

.problem-solving-page.problem-solving-page--math .faq details[open] summary {
    border-bottom-color: rgba(188, 140, 255, 0.24);
}

@media screen and (max-width: 1180px) {
    .problem-solving-page.problem-solving-page--math .problem-solving-audience-grid,
    .problem-solving-page.problem-solving-page--math .problem-solving-step-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media screen and (max-width: 900px) {
    .problem-solving-page.problem-solving-page--math {
        border-radius: 26px;
    }

    .problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-composer-shortcut {
        width: 100%;
    }

    .problem-solving-chat-page.problem-solving-page--math .problem-solving-submit {
        min-width: 0;
    }

    .problem-solving-page.problem-solving-page--math .problem-solving-point--dialog,
    .problem-solving-page.problem-solving-page--math .problem-solving-point--photo,
    .problem-solving-page.problem-solving-page--math .problem-solving-audience-card {
        transform: none;
    }

    .problem-solving-page.problem-solving-page--math .problem-solving-audience-card:hover {
        transform: translateY(-3px);
    }

    .problem-solving-page.problem-solving-page--math .problem-solving-audience-card {
        transform: none;
    }
}

@media screen and (max-width: 760px) {
    .problem-solving-page.problem-solving-page--math .problem-solving-points,
    .problem-solving-page.problem-solving-page--math .problem-solving-audience-grid,
    .problem-solving-page.problem-solving-page--math .problem-solving-step-grid {
        grid-template-columns: 1fr;
    }

    .problem-solving-page.problem-solving-page--math .problem-solving-point,
    .problem-solving-page.problem-solving-page--math .problem-solving-audience-card,
    .problem-solving-page.problem-solving-page--math .problem-solving-step,
    .problem-solving-page.problem-solving-page--math .faq details {
        border-radius: 22px;
    }

    .problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-link,
    .problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-status {
        width: 100%;
        justify-content: center;
    }

    .problem-solving-chat-page.problem-solving-page--math .problem-solving-chat-composer {
        padding: 16px;
        border-radius: 20px;
    }

    .problem-solving-chat-page.problem-solving-page--math .problem-solving-form--chat textarea {
        min-height: 118px;
        padding: 16px 18px;
    }
}

@media screen and (max-width: 700px) {
    .problem-solving-page.problem-solving-page--math {
        border-radius: 0;
        box-shadow: none;
    }

    .problem-solving-page.problem-solving-page--math .problem-solving-hero-copy,
    .problem-solving-page.problem-solving-page--math .problem-solving-start-card,
    .problem-solving-page.problem-solving-page--math .problem-solving-section-card,
    .problem-solving-page.problem-solving-page--math .problem-solving-audience-card,
    .problem-solving-page.problem-solving-page--math .problem-solving-step,
    .problem-solving-page.problem-solving-page--math .faq details {
        box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
    }
}