/* Amaliy mashqlar — «Yumshoq oq» kit */

/* ---------- Metodlar to'ri ---------- */
.method-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.method-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 22px;
    border-radius: var(--r-card);
    background: var(--surface);
    box-shadow: var(--sh-soft);
}

.method-card__icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: var(--r-icon);
    background: var(--blue-tint);
    color: var(--blue-ink);
    margin-bottom: 2px;
}

.method-card__icon .ico {
    width: 20px;
    height: 20px;
}

.method-card__title {
    font: 700 15px/1.3 var(--font-kit);
    color: var(--ink);
}

.method-card__desc {
    flex: 1;
    font: 400 12.5px/1.55 var(--font-kit);
    color: var(--body);
}

.method-card .chip {
    width: fit-content;
}

/* ---------- Mashqlar ro'yxati ---------- */
.exercise-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding-bottom: 32px;
}

.exercise-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 20px 24px;
    border-radius: var(--r-card);
    background: var(--surface);
    box-shadow: var(--sh-soft);
    color: var(--ink);
    transition: transform .2s, box-shadow .2s;
}

.exercise-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--sh-card);
}

.exercise-item__icon {
    flex: 0 0 auto;
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: var(--r-icon);
    background: var(--blue-tint);
    color: var(--blue-ink);
}

.exercise-item__icon .ico {
    width: 20px;
    height: 20px;
}

.exercise-item__body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* Metod nomi: mayda uppercase yorliq */
.exercise-item__method {
    font: 700 10px/1 var(--font-kit);
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--muted);
}

.exercise-item__title {
    font: 700 15px/1.35 var(--font-kit);
    color: var(--ink);
}

.exercise-item__task {
    font: 400 13px/1.6 var(--font-kit);
    color: var(--body);
}

.exercise-item .text-sm {
    font: 500 12px/1 var(--font-kit);
    color: var(--muted);
    margin-top: 2px;
}

.exercise-item__arrow {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--track);
    color: var(--ink-2);
    font-size: 15px;
}

/* ---------- Bitta mashq sahifasi ---------- */
.exercise-head {
    display: flex;
    align-items: flex-start;
    gap: 18px;
}

.exercise-head > div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.exercise-head__icon {
    flex: 0 0 auto;
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    border-radius: var(--r-icon);
    background: var(--blue-tint);
    color: var(--blue-ink);
}

.exercise-head__icon .ico {
    width: 26px;
    height: 26px;
}

.exercise-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 48px;
    align-items: start;
}

.exercise-main {
    min-width: 0;
}

/* Namuna: och ko'k blok */
.exercise-example {
    padding: 26px;
    background: var(--surface-2);
    border-radius: var(--r-card);
}

/* ---------- Javob shakli (kit 3.8) ---------- */
.exercise-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 28px;
    border-radius: var(--r-form);
    background: var(--surface);
    box-shadow: var(--sh-form);
}

.exercise-form .form-row {
    margin-bottom: 0;
}

.exercise-form .btn {
    width: 100%;
    margin-top: 4px;
}

/* Izberg: har bir daraja chuqurroq rangdagi belgi bilan */
.exercise-form--iceberg .exercise-field {
    position: relative;
    padding-left: 20px;
}

.exercise-form--iceberg .exercise-field::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: var(--r-pill);
    background: var(--border-strong);
}

.exercise-form--iceberg .exercise-field[data-level="1"]::before { background: #7dd3fc; }
.exercise-form--iceberg .exercise-field[data-level="2"]::before { background: var(--blue-light); }
.exercise-form--iceberg .exercise-field[data-level="3"]::before { background: var(--blue); }
.exercise-form--iceberg .exercise-field[data-level="4"]::before { background: var(--blue-ink); }

/* Stock-Flow: oqim yo'nalishini ko'rsatuvchi strelka */
.exercise-form--stock_flow .exercise-field:not(:last-of-type)::after {
    content: '↓';
    display: block;
    text-align: center;
    color: var(--muted);
    font-weight: 700;
    margin-top: 4px;
}

.exercise-form--stock_flow .exercise-field[data-level="2"] label {
    color: var(--ink);
}

@media (max-width: 900px) {
    .exercise-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 560px) {
    .exercise-item {
        flex-wrap: wrap;
    }

    .exercise-item__arrow {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .exercise-item {
        transition: none;
    }

    .exercise-item:hover {
        transform: none;
    }
}