/* ========================================
   HELIX CALCULATOR — Калькулятор угла погружения
   ======================================== */

/* ----- Переопределение цветов ----- */
.helix-calculator {
    --calc-primary: #f0620f;
    --calc-primary-dark: #cc4d17;
    --calc-primary-gradient: linear-gradient(135deg, #f0620f 0%, #0a2e95 100%);
    --calc-blue: #0a2e95;
}

/* ----- Заголовок ----- */
.helix-calculator .calculator__header {
    text-align: center;
    margin-bottom: 30px;
}

.helix-calculator .calculator__header h1 {
    font-size: 2.2rem;
    color: var(--calc-primary);
    margin-bottom: 8px;
}

.helix-calculator .calculator__header h1 .icon {
    color: var(--calc-blue);
}

.helix-calculator .calculator__header p {
    color: var(--calc-text-muted);
    font-size: 1.05rem;
}

/* ----- Основная карточка ----- */
.helix-calculator .calculator__card {
    background: var(--calc-bg-card);
    border-radius: var(--calc-radius);
    border: 1px solid var(--calc-border);
    padding: 32px 36px;
    transition: border-color 0.3s ease;
    max-width: 580px;
    margin: 0 auto;
}

.helix-calculator .calculator__card:hover {
    border-color: var(--calc-primary);
}

/* ----- Поля ввода ----- */
.helix-calculator .calculator__fields {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.helix-calculator .calculator__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.helix-calculator .calculator__field .calculator__label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--calc-text);
}

.helix-calculator .calculator__field .calculator__label .unit {
    color: var(--calc-text-muted);
    font-weight: 400;
    font-size: 0.85rem;
}

.helix-calculator .calculator__field .calculator__input {
    width: 100%;
    height: 44px;
    padding: 0 16px;
    border: 1px solid var(--calc-border);
    border-radius: var(--calc-radius-sm);
    background: var(--calc-bg-input);
    color: var(--calc-text);
    font-size: 1.05rem;
    transition: var(--calc-transition);
}

.helix-calculator .calculator__field .calculator__input:focus {
    outline: none;
    border-color: var(--calc-primary);
    box-shadow: 0 0 0 3px rgba(240, 98, 15, 0.15);
}

.helix-calculator .calculator__field .calculator__input::placeholder {
    color: var(--calc-text-muted);
    opacity: 0.4;
}

/* ----- Разделитель ----- */
.helix-calculator .calculator__divider {
    height: 1px;
    background: var(--calc-border);
    margin: 24px 0;
}

/* ----- Результаты ----- */
.helix-calculator .calculator__result-box {
    background: rgba(240, 98, 15, 0.05);
    border-radius: var(--calc-radius-sm);
    padding: 20px 24px;
    border: 1px solid rgba(240, 98, 15, 0.15);
    margin-top: 8px;
}

.helix-calculator .calculator__result-box .result-label {
    font-size: 0.85rem;
    color: var(--calc-text-muted);
    margin-bottom: 4px;
}

.helix-calculator .calculator__result-box .result-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--calc-primary);
}

.helix-calculator .calculator__result-box .result-value .unit {
    font-size: 1rem;
    font-weight: 400;
    color: var(--calc-text-muted);
}

/* ----- Схема (визуализация) ----- */
.helix-calculator .calculator__schema {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
    margin-top: 8px;
}

.helix-calculator .calculator__schema svg {
    max-width: 100%;
    height: auto;
}

/* ----- Подсказка ----- */
.helix-calculator .calculator__hint {
    font-size: 0.85rem;
    color: var(--calc-text-muted);
    text-align: center;
    margin-top: 16px;
    padding: 12px;
    background: rgba(240, 98, 15, 0.04);
    border-radius: var(--calc-radius-sm);
    border: 1px dashed var(--calc-border);
}

/* ----- Адаптивность ----- */
@media (max-width: 640px) {
    .helix-calculator .calculator__card {
        padding: 20px 16px;
    }
    
    .helix-calculator .calculator__header h1 {
        font-size: 1.6rem;
    }
    
    .helix-calculator .calculator__field .calculator__input {
        height: 40px;
        font-size: 0.95rem;
    }
    
    .helix-calculator .calculator__result-box .result-value {
        font-size: 1.4rem;
    }
}