.ksop-ranking-calculator,
.ksop-ranking-calculator * {
    box-sizing: border-box;
}

.ksop-ranking-calculator {
    --ksop-calc-bg: #090909;
    --ksop-calc-bg-soft: #111214;
    --ksop-calc-surface: #15161a;
    --ksop-calc-surface-2: #1b1d22;
    --ksop-calc-input: #121316;
    --ksop-calc-input-focus: #181a1f;
    --ksop-calc-text: #f5f1e8;
    --ksop-calc-text-muted: #a5a198;
    --ksop-calc-accent: #c79b63;
    --ksop-calc-accent-soft: #ecd5a3;
    --ksop-calc-border: rgba(255, 255, 255, 0.08);
    --ksop-calc-border-gold: rgba(199, 155, 99, 0.22);
    --ksop-calc-danger-bg: rgba(185, 64, 64, 0.14);
    --ksop-calc-danger-border: rgba(255, 123, 123, 0.24);
    --ksop-calc-shadow: 0 30px 90px rgba(0, 0, 0, 0.40);
    --ksop-calc-radius-xl: 32px;
    --ksop-calc-radius-lg: 24px;
    --ksop-calc-radius-md: 18px;
    --ksop-calc-radius-sm: 14px;

    width: 100%;
    max-width: 1280px;
    margin: 24px auto;
    padding: 0 20px;
    color: var(--ksop-calc-text);
    font-family: "Inter", Arial, sans-serif;
}

.ksop-ranking-calculator input,
.ksop-ranking-calculator button,
.ksop-ranking-calculator textarea,
.ksop-ranking-calculator select,
.ksop-ranking-calculator label,
.ksop-ranking-calculator legend,
.ksop-ranking-calculator span,
.ksop-ranking-calculator p {
    font: inherit;
}

.ksop-ranking-calculator input::placeholder,
.ksop-ranking-calculator textarea::placeholder {
    font: inherit;
}

.ksop-ranking-calculator__shell {
    position: relative;
    padding: 34px;
    border-radius: var(--ksop-calc-radius-xl);
    overflow: hidden;
    border: 1px solid rgba(199, 155, 99, 0.14);
    box-shadow:
        0 30px 90px rgba(0, 0, 0, 0.40),
        inset 0 1px 0 rgba(255, 255, 255, 0.03);
    background:
        radial-gradient(circle at left center, rgba(199, 155, 99, 0.10), transparent 28%),
        radial-gradient(circle at right center, rgba(199, 155, 99, 0.08), transparent 28%),
        linear-gradient(
            90deg,
            rgba(199, 155, 99, 0.06) 0%,
            rgba(16, 17, 20, 0.96) 14%,
            rgba(9, 9, 9, 0.99) 50%,
            rgba(16, 17, 20, 0.96) 86%,
            rgba(199, 155, 99, 0.06) 100%
        ),
        linear-gradient(180deg, #181818 0%, #090909 100%);
}

.ksop-ranking-calculator__shell::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 18%),
        linear-gradient(0deg, rgba(199, 155, 99, 0.04), transparent 20%);
}

.ksop-ranking-calculator__form {
    position: relative;
    z-index: 1;
}

.ksop-ranking-calculator__header {
    margin-bottom: 24px;
}

.ksop-ranking-calculator__eyebrow {
    display: inline-block;
    margin: 0 0 12px;
    color: var(--ksop-calc-accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.ksop-ranking-calculator__subtitle {
    margin: 0;
    max-width: 60ch;
    color: rgba(245, 241, 232, 0.78);
    font-size: 16px;
    line-height: 1.8;
}

.ksop-ranking-calculator__alert {
    margin-bottom: 20px;
    padding: 14px 16px;
    border-radius: var(--ksop-calc-radius-sm);
    border: 1px solid var(--ksop-calc-danger-border);
    background: var(--ksop-calc-danger-bg);
    color: #ffd6d6;
    font-size: 14px;
    line-height: 1.6;
}

.ksop-ranking-calculator__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
}

.ksop-ranking-calculator__field {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
}

.ksop-ranking-calculator__field > label,
.ksop-ranking-calculator__fieldset > legend {
    margin: 0;
    min-height: 15px;
    color: var(--ksop-calc-text-muted);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.ksop-ranking-calculator__field > input {
    width: 100%;
    height: 54px;
    padding: 0 16px;
    border: 1px solid var(--ksop-calc-border);
    border-radius: var(--ksop-calc-radius-sm);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01)),
        linear-gradient(135deg, rgba(199, 155, 99, 0.05), rgba(0, 0, 0, 0.08)),
        var(--ksop-calc-input);
    color: var(--ksop-calc-text);
    font-size: 15px;
    transition:
        border-color 0.22s ease,
        box-shadow 0.22s ease,
        background-color 0.22s ease,
        transform 0.22s ease;
}

.ksop-ranking-calculator__field > input::placeholder {
    color: rgba(165, 161, 152, 0.72);
}

.ksop-ranking-calculator__field > input:hover {
    border-color: rgba(199, 155, 99, 0.22);
}

.ksop-ranking-calculator__field > input:focus {
    outline: none;
    border-color: rgba(199, 155, 99, 0.44);
    box-shadow: 0 0 0 3px rgba(199, 155, 99, 0.12);
    background: var(--ksop-calc-input-focus);
}

.ksop-ranking-calculator__fieldset {
    margin: 0;
    padding: 0;
    border: 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ksop-ranking-calculator__radio-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    align-items: stretch;
}

.ksop-ranking-calculator__radio-option {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    height: 54px;
    padding: 0 16px;
    border-radius: var(--ksop-calc-radius-sm);
    border: 1px solid var(--ksop-calc-border);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01)),
        linear-gradient(135deg, rgba(199, 155, 99, 0.05), rgba(0, 0, 0, 0.08)),
        var(--ksop-calc-input);
    color: var(--ksop-calc-text);
    font-size: 14px;
    cursor: pointer;
    transition:
        border-color 0.2s ease,
        background-color 0.2s ease,
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.ksop-ranking-calculator__radio-option:hover {
    border-color: rgba(199, 155, 99, 0.26);
    transform: translateY(-1px);
}

.ksop-ranking-calculator__radio-option:focus-within {
    border-color: rgba(199, 155, 99, 0.44);
    box-shadow: 0 0 0 3px rgba(199, 155, 99, 0.12);
}

.ksop-ranking-calculator__radio-option > input {
    margin: 0;
    accent-color: var(--ksop-calc-accent);
    transform: translateY(0);
    flex: 0 0 auto;
}

.ksop-ranking-calculator__radio-option > span {
    line-height: 1;
}

.ksop-ranking-calculator__result-card {
    margin-top: 24px;
    padding: 20px;
    border-radius: var(--ksop-calc-radius-md);
    border: 1px solid var(--ksop-calc-border);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.01)),
        linear-gradient(135deg, rgba(199, 155, 99, 0.08), rgba(0, 0, 0, 0.10)),
        linear-gradient(180deg, var(--ksop-calc-surface), var(--ksop-calc-surface-2));
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.02),
        0 16px 42px rgba(0, 0, 0, 0.24);
}

.ksop-ranking-calculator__result-card.is-visible {
    border-color: rgba(199, 155, 99, 0.28);
    box-shadow:
        0 20px 48px rgba(0, 0, 0, 0.28),
        0 0 0 1px rgba(199, 155, 99, 0.05) inset;
}

.ksop-ranking-calculator__result-label {
    margin: 0 0 12px;
    color: var(--ksop-calc-text-muted);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.ksop-ranking-calculator__result-input {
    width: 100%;
    height: 62px;
    padding: 0 18px;
    border: 1px solid var(--ksop-calc-border-gold);
    border-radius: var(--ksop-calc-radius-sm);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01)),
        linear-gradient(135deg, rgba(199, 155, 99, 0.09), rgba(0, 0, 0, 0.10)),
        #121317;
    color: var(--ksop-calc-accent-soft);
    font-size: clamp(20px, 2.6vw, 28px);
    font-weight: 700;
    letter-spacing: 0.02em;
    text-align: left;
}

.ksop-ranking-calculator__result-input:focus {
    outline: none;
}

.ksop-ranking-calculator__actions {
    margin-top: 24px;
}

.ksop-ranking-calculator__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-width: 240px;
    min-height: 52px;
    padding: 0 26px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(180deg, #edd4a0, #c79b63);
    color: #151515;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.02em;
    cursor: pointer;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.28);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        filter 0.2s ease;
}

.ksop-ranking-calculator__button:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.32);
    filter: brightness(1.02);
}

.ksop-ranking-calculator__button:focus-visible {
    outline: 3px solid rgba(199, 155, 99, 0.28);
    outline-offset: 2px;
}

.ksop-ranking-calculator__button:disabled {
    cursor: wait;
    opacity: 0.72;
    transform: none;
    box-shadow: none;
}

@media (max-width: 1024px) {
    .ksop-ranking-calculator {
        padding: 0 16px;
    }

    .ksop-ranking-calculator__shell {
        padding: 24px;
        border-radius: 26px;
    }

    .ksop-ranking-calculator__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    .ksop-ranking-calculator {
        margin: 16px auto;
        padding: 0 12px;
    }

    .ksop-ranking-calculator__shell {
        padding: 16px;
        border-radius: 22px;
    }

    .ksop-ranking-calculator__grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .ksop-ranking-calculator__subtitle {
        font-size: 15px;
        line-height: 1.75;
    }

    .ksop-ranking-calculator__field > input {
        height: 52px;
    }

    .ksop-ranking-calculator__radio-group {
        grid-template-columns: 1fr 1fr;
    }

    .ksop-ranking-calculator__radio-option {
        height: 52px;
    }

    .ksop-ranking-calculator__result-input {
        height: 56px;
    }

    .ksop-ranking-calculator__button {
        width: 100%;
        min-width: 0;
    }
}