.ccc,
.ccc * {
    box-sizing: border-box;
}

.ccc {
    --ccc-bg: #ffffff;
    --ccc-soft: #f6f3ef;
    --ccc-soft-2: #fbfaf8;
    --ccc-border: #e5ded6;
    --ccc-text: #211b17;
    --ccc-muted: #776d64;
    --ccc-strong: #6d4d34;
    --ccc-accent: #9b6a45;
    --ccc-accent-dark: #745037;
    --ccc-accent-soft: #ead8c9;
    --ccc-warning-bg: #fff6de;
    --ccc-warning-border: #f0c56c;
    --ccc-danger-bg: #fff0ed;
    --ccc-danger-border: #e99c8f;
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    color: var(--ccc-text);
    font-family: inherit;
}

.ccc__head {
    padding: 28px;
    margin-bottom: 18px;
    border: 1px solid var(--ccc-border);
    border-radius: 24px;
    background: linear-gradient(135deg, var(--ccc-soft), var(--ccc-bg));
}

.ccc__eyebrow {
    margin: 0 0 8px;
    color: var(--ccc-accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.ccc__title {
    margin: 0 0 10px;
    font-size: clamp(26px, 4vw, 42px);
    line-height: 1.12;
}

.ccc__lead {
    max-width: 780px;
    margin: 0;
    color: var(--ccc-muted);
    font-size: 17px;
    line-height: 1.55;
}

.ccc__form,
.ccc__result {
    display: grid;
    gap: 18px;
}

.ccc__panel,
.ccc__facts-wrap,
.ccc__scheme,
.ccc__layout {
    padding: 22px;
    border: 1px solid var(--ccc-border);
    border-radius: 22px;
    background: var(--ccc-bg);
    box-shadow: 0 10px 30px rgba(58, 42, 31, .06);
}

.ccc__panel--main {
    background: var(--ccc-soft-2);
}

.ccc__panel-head,
.ccc__facts-head,
.ccc__scheme-head {
    display: grid;
    grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
    margin-bottom: 18px;
}

.ccc__panel-title,
.ccc__facts-head h3,
.ccc__scheme-head h3,
.ccc__tips h3 {
    margin: 0;
    color: var(--ccc-strong);
    font-size: 20px;
    line-height: 1.25;
}

.ccc__panel-head p,
.ccc__facts-head p,
.ccc__scheme-head p {
    margin: 0;
    color: var(--ccc-muted);
    font-size: 15px;
    line-height: 1.5;
}

.ccc__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.ccc__grid--small {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ccc__field {
    display: grid;
    gap: 7px;
}

.ccc__field span {
    color: var(--ccc-text);
    font-size: 14px;
    font-weight: 700;
}

.ccc__field small {
    color: var(--ccc-muted);
    font-size: 12px;
    line-height: 1.35;
}

.ccc__field input,
.ccc__field select {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    border: 1px solid var(--ccc-border);
    border-radius: 14px;
    background: #fff;
    color: var(--ccc-text);
    font: inherit;
    outline: none;
    transition: border-color .16s ease, box-shadow .16s ease;
}

.ccc__field input:focus,
.ccc__field select:focus {
    border-color: var(--ccc-accent);
    box-shadow: 0 0 0 3px rgba(155, 106, 69, .14);
}

.ccc__mode {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}

.ccc__mode label {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 12px 14px;
    border: 1px solid var(--ccc-border);
    border-radius: 16px;
    background: var(--ccc-soft-2);
    cursor: pointer;
    transition: border-color .16s ease, background-color .16s ease, box-shadow .16s ease;
}

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

.ccc__mode span {
    color: var(--ccc-text);
    font-size: 14px;
    font-weight: 700;
}

.ccc__mode label:has(input:checked) {
    border-color: var(--ccc-accent);
    background: var(--ccc-accent-soft);
    box-shadow: 0 10px 24px rgba(155, 106, 69, .12);
}

.ccc__quick {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-top: 16px;
}

.ccc__quick span {
    color: var(--ccc-muted);
    font-size: 13px;
    font-weight: 700;
}

.ccc__quick button {
    min-height: 38px;
    padding: 8px 12px;
    border: 1px solid var(--ccc-border);
    border-radius: 999px;
    background: #fff;
    color: var(--ccc-strong);
    font: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: transform .16s ease, border-color .16s ease, background-color .16s ease;
}

.ccc__quick button:hover {
    transform: translateY(-1px);
    border-color: var(--ccc-accent);
    background: var(--ccc-soft);
}

.ccc__summary,
.ccc__facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.ccc__summary-card,
.ccc__fact {
    display: grid;
    gap: 6px;
    min-height: 116px;
    padding: 18px;
    border: 1px solid var(--ccc-border);
    border-radius: 20px;
    background: var(--ccc-soft-2);
}

.ccc__summary-card--accent {
    border-color: rgba(155, 106, 69, .35);
    background: linear-gradient(135deg, var(--ccc-accent-soft), #fff);
}

.ccc__summary-card span,
.ccc__fact span {
    color: var(--ccc-muted);
    font-size: 13px;
    font-weight: 700;
}

.ccc__summary-card strong,
.ccc__fact strong {
    color: var(--ccc-text);
    font-size: clamp(22px, 3vw, 30px);
    line-height: 1.1;
}

.ccc__summary-card small {
    color: var(--ccc-muted);
    font-size: 12px;
    line-height: 1.35;
}

.ccc__fact {
    min-height: auto;
    padding: 14px;
}

.ccc__fact strong {
    font-size: 18px;
}

.ccc__warnings {
    display: grid;
    gap: 10px;
}

.ccc__warning {
    padding: 12px 14px;
    border: 1px solid var(--ccc-warning-border);
    border-radius: 16px;
    background: var(--ccc-warning-bg);
    color: #6a4b1f;
    font-size: 14px;
    line-height: 1.45;
}

.ccc__warning--danger {
    border-color: var(--ccc-danger-border);
    background: var(--ccc-danger-bg);
    color: #793126;
}

.ccc__layout {
    display: grid;
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 18px;
    align-items: center;
    background: linear-gradient(135deg, #fff, var(--ccc-soft-2));
}

.ccc__visual {
    display: grid;
    place-items: center;
    gap: 10px;
    min-height: 250px;
}

.ccc__circle {
    position: relative;
    width: 190px;
    aspect-ratio: 1;
    border-radius: 999px;
    background:
        radial-gradient(circle at center, #fff 0 11%, transparent 12%),
        repeating-radial-gradient(circle at center, rgba(155, 106, 69, .22) 0 2px, transparent 2px 18px),
        linear-gradient(135deg, #ead8c9, #fff7f0);
    border: 1px solid rgba(155, 106, 69, .25);
    box-shadow: inset 0 0 0 14px rgba(255,255,255,.5), 0 18px 45px rgba(58,42,31,.12);
}

.ccc__circle::before,
.ccc__circle::after {
    content: "";
    position: absolute;
    inset: 17%;
    border: 1px dashed rgba(109, 77, 52, .25);
    border-radius: inherit;
}

.ccc__circle::after {
    inset: 33%;
}

.ccc__circle span {
    position: absolute;
    inset: 50% auto auto 50%;
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--ccc-accent);
    transform: translate(-50%, -50%);
}

.ccc__visual p {
    margin: 0;
    color: var(--ccc-muted);
    font-size: 13px;
    text-align: center;
}

.ccc__tips ul {
    margin: 12px 0 0;
    padding-left: 20px;
    color: var(--ccc-muted);
    line-height: 1.55;
}

.ccc__tips li + li {
    margin-top: 7px;
}

.ccc__scheme-list {
    display: grid;
    gap: 10px;
}

.ccc__row {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr) 110px;
    gap: 12px;
    align-items: start;
    padding: 12px 14px;
    border: 1px solid var(--ccc-border);
    border-radius: 16px;
    background: var(--ccc-soft-2);
}

.ccc__row-num {
    color: var(--ccc-accent);
    font-size: 14px;
    font-weight: 800;
}

.ccc__row-pattern {
    color: var(--ccc-text);
    font-size: 14px;
    line-height: 1.45;
}

.ccc__row-total {
    color: var(--ccc-strong);
    font-size: 14px;
    font-weight: 800;
    text-align: right;
}

.ccc [hidden] {
    display: none !important;
}

@media (max-width: 980px) {
    .ccc__grid,
    .ccc__summary,
    .ccc__facts {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ccc__panel-head,
    .ccc__facts-head,
    .ccc__scheme-head,
    .ccc__layout {
        grid-template-columns: 1fr;
    }

    .ccc__visual {
        min-height: 210px;
    }
}

@media (max-width: 640px) {
    .ccc {
        max-width: 100%;
    }

    .ccc__head,
    .ccc__panel,
    .ccc__facts-wrap,
    .ccc__scheme,
    .ccc__layout {
        padding: 16px;
        border-radius: 18px;
    }

    .ccc__grid,
    .ccc__grid--small,
    .ccc__summary,
    .ccc__facts,
    .ccc__mode {
        grid-template-columns: 1fr;
    }

    .ccc__quick button {
        flex: 1 1 calc(50% - 8px);
    }

    .ccc__summary-card {
        min-height: auto;
    }

    .ccc__circle {
        width: 160px;
    }

    .ccc__row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .ccc__row-total {
        text-align: left;
    }
}

@supports not selector(:has(*)) {
    .ccc__mode label {
        justify-content: flex-start;
    }

    .ccc__mode input {
        position: static;
        opacity: 1;
        pointer-events: auto;
        margin-right: 8px;
    }
}