.site-training {
    position: relative;
}

.site-training::before {
    position: absolute;
    z-index: -1;
    top: 50px;
    right: min(-7vw, -40px);
    width: 220px;
    height: 220px;
    border: 1px solid var(--line);
    border-radius: 56% 44% 62% 38%;
    content: "";
    opacity: .7;
    transform: rotate(24deg);
}

.practice-embed {
    display: grid;
    gap: 30px;
    max-width: 1040px;
    margin: 0 auto;
}

.practice-setup {
    border: 1px solid var(--line);
    border-radius: 28px;
    padding: clamp(24px, 4.5vw, 58px);
    background: var(--panel);
    box-shadow: var(--shadow);
}

.practice-form {
    display: grid;
    gap: 44px;
}

.practice-step {
    display: grid;
    gap: 24px;
}

.practice-step + .practice-step {
    border-top: 1px solid var(--line);
    padding-top: 40px;
}

.practice-step-heading {
    display: flex;
    align-items: center;
    gap: 15px;
}

.practice-step-heading > span {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    color: var(--terracotta);
    background: var(--terracotta-soft);
    font-weight: 900;
}

.practice-step-heading h3,
.practice-step-heading p {
    margin: 0;
}

.practice-step-heading h3 {
    font-size: 20px;
}

.practice-step-heading p {
    margin-top: 2px;
    color: var(--muted);
    font-size: 14px;
}

.subject-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.subject-card {
    position: relative;
    display: grid;
    grid-template-columns: 48px 1fr;
    align-items: center;
    gap: 14px;
    min-height: 92px;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 16px;
    background: var(--bg);
    cursor: pointer;
    transition: border-color .18s ease, background .18s ease, transform .18s ease;
}

.subject-card:hover {
    border-color: var(--line-strong);
    transform: translateY(-2px);
}

.subject-card:has(input:checked) {
    border-color: var(--accent);
    background: var(--accent-soft);
    box-shadow: inset 0 0 0 1px var(--accent);
}

.subject-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.subject-card input:focus-visible + .subject-card-mark {
    outline: 3px solid rgba(95, 111, 82, .25);
    outline-offset: 3px;
}

.subject-card-mark {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 15px 15px 15px 5px;
    color: var(--panel);
    background: var(--accent);
    font-family: var(--font-display);
    font-size: 19px;
    font-weight: 700;
}

.subject-card:nth-child(2n) .subject-card-mark {
    background: var(--terracotta);
}

.subject-card:nth-child(3n) .subject-card-mark {
    background: #89774d;
}

.subject-card-copy strong,
.subject-card-copy small {
    display: block;
}

.subject-card-copy strong {
    line-height: 1.25;
}

.subject-card-copy small {
    margin-top: 5px;
    color: var(--muted);
    font-size: 12px;
}

.practice-loading {
    grid-column: 1 / -1;
    border: 1px dashed var(--line-strong);
    border-radius: 14px;
    padding: 20px;
    color: var(--muted);
    text-align: center;
}

.practice-mode-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.practice-radio {
    position: relative;
    display: grid;
    grid-template-columns: 22px 1fr;
    align-items: start;
    gap: 10px;
    min-height: 86px;
    border: 1px solid var(--line);
    border-radius: 15px;
    padding: 16px;
    color: var(--ink);
    background: var(--bg);
    cursor: pointer;
}

.practice-radio:has(input:checked) {
    border-color: var(--terracotta);
    background: var(--terracotta-soft);
    box-shadow: inset 0 0 0 1px var(--terracotta);
}

.practice-radio input {
    width: 18px;
    height: 18px;
    margin: 2px 0 0;
    accent-color: var(--terracotta);
}

.practice-radio strong,
.practice-radio small {
    display: block;
}

.practice-radio small {
    margin-top: 5px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
}

.practice-select-field {
    display: grid;
    gap: 9px;
    color: var(--ink);
    font-weight: 800;
}

.practice-select-field select {
    width: 100%;
    min-height: 54px;
    border: 1px solid var(--line-strong);
    border-radius: 14px;
    padding: 0 46px 0 16px;
    color: var(--ink);
    background: var(--panel);
    font-weight: 700;
}

.practice-start-button,
.practice-question-actions button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    width: fit-content;
    min-height: 56px;
    border: 0;
    border-radius: 999px;
    padding: 0 30px;
    color: #fffaf2;
    background: var(--terracotta);
    box-shadow: none;
    font-weight: 800;
}

.practice-start-button:hover,
.practice-question-actions button:hover {
    background: var(--terracotta-strong);
}

.practice-runner {
    width: min(100%, 640px);
    margin-inline: auto;
}

.practice-question-form {
    margin: 0;
}

.practice-question-card {
    display: flex;
    flex-direction: column;
    gap: 24px;
    border-radius: 24px;
    padding: 32px;
    background: #ffffff;
    box-shadow: 0 12px 12px rgba(95, 111, 82, .08);
}

.practice-question-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.practice-question-meta > strong {
    color: #a94438;
    font-size: 14px;
}

.practice-question-meta > span {
    flex: 0 0 auto;
    border-radius: 12px;
    padding: 6px 12px;
    color: #5f6f52;
    background: #f9f5eb;
    font-size: 12px;
    font-weight: 700;
}

.practice-question-meta b {
    font-weight: 800;
}

.practice-question-title {
    margin: 0 0 24px;
    font-family: var(--font-display);
    font-size: 20px;
    line-height: 1.4;
}

.practice-options {
    display: grid;
    gap: 12px;
}

.practice-option {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 18px;
    align-items: center;
    gap: 14px;
    min-height: 54px;
    border: 1.5px solid transparent;
    border-radius: 16px;
    padding: 14px 16px;
    color: #2b2a25;
    background: #f9f5eb;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: border-color .16s ease, background .16s ease;
}

.practice-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.practice-option:not(.is-correct):not(.is-wrong):has(input:checked) {
    border-color: #5f6f52;
    background: #f9f5eb;
}

.practice-option:has(input:focus-visible) {
    outline: 3px solid rgba(169, 68, 56, .2);
    outline-offset: 2px;
}

.practice-option-status {
    display: block;
    width: 18px;
    height: 18px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: 18px 18px;
}

.practice-option.is-correct {
    border-color: #2e7d32;
    background: #e8f5e9;
}

.practice-option.is-correct .practice-option-status {
    background-image: url("assets/check-circle.svg");
}

.practice-option.is-wrong {
    border-color: #c62828;
    background: #ffebee;
}

.practice-option.is-wrong .practice-option-status {
    background-image: url("assets/x-circle.svg");
}

.practice-option.is-correct,
.practice-option.is-wrong {
    cursor: default;
}

.practice-question-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.practice-question-actions button {
    min-height: 46px;
    padding-inline: 22px;
}

.practice-question-actions .practice-secondary-button {
    color: var(--ink);
    border: 1px solid var(--line-strong);
    background: transparent;
}

.practice-question-actions .practice-secondary-button:hover {
    color: var(--terracotta);
    border-color: var(--terracotta);
    background: transparent;
}

@media (max-width: 820px) {
    .subject-card-grid,
    .practice-mode-grid {
        grid-template-columns: 1fr;
    }

}

@media (max-width: 560px) {
    .practice-setup {
        border-radius: 22px;
        padding: 22px 18px;
    }

    .practice-form {
        gap: 34px;
    }

    .practice-step + .practice-step {
        padding-top: 32px;
    }

    .practice-start-button {
        width: 100%;
    }

    .practice-question-card {
        gap: 20px;
        border-radius: 20px;
        padding: 22px 18px;
    }

    .practice-question-meta {
        align-items: flex-start;
    }

    .practice-question-title {
        font-size: 18px;
    }

    .practice-question-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .practice-question-actions button {
        width: 100%;
    }
}