/* ============================================= */
/*      СТИЛИ СТРАНИЦЫ "КРЕДИТНЫЙ КАЛЬКУЛЯТОР"    */
/* ============================================= */

/* --- Общие стили страницы --- */
main.loan-calculator-page {
    padding-top: 70px;
    padding-bottom: 40px;
}
.page-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}
.page-title-section {
    text-align: center;
    margin-bottom: 30px;
}
.page-title-section h1 { font-size: 2.8rem; font-weight: 700; }
.page-title-section p { font-size: 1.1rem; color: #6c757d; }

/* --- Обертка калькулятора --- */
.calculator-wrapper {
    background-color: #fff;
    border: 1px solid #e9ecef;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.07);
}

/* --- Панель ввода данных --- */
.controls-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 30px;
    border-bottom: 1px solid #e9ecef;
}
.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.input-group label {
    font-size: 0.9rem;
    font-weight: 500;
}
.input-group input[type="number"] {
    padding: 12px;
    font-size: 1.2rem;
    border: 1px solid #ced4da;
    border-radius: 8px;
}
.input-group input[type="number"]:focus {
    outline: none;
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.2);
}

/* --- Блок результатов и диаграммы --- */
.results-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    padding: 30px;
    align-items: center;
}
.summary-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.summary-item {
    display: flex;
    flex-direction: column;
}
.summary-item span {
    font-size: 0.9rem;
    color: #6c757d;
}
.summary-item strong {
    font-size: 2rem;
    font-weight: 700;
}
.summary-item.overpayment strong {
    color: #dc3545;
}
.chart-container {
    max-width: 250px;
    margin: 0 auto;
}

/* --- Таблица с графиком платежей --- */
.payment-schedule {
    padding: 30px;
    border-top: 1px solid #e9ecef;
}
.payment-schedule h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    text-align: center;
}
.table-responsive {
    max-height: 400px;
    overflow-y: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 12px 15px;
    text-align: right;
    border-bottom: 1px solid #e9ecef;
}
th {
    background-color: #f8f9fa;
    position: sticky;
    top: 0;
    font-weight: 600;
}
td:first-child, th:first-child {
    text-align: left;
}

/* ============================================= */
/*          АДАПТАЦИЯ ДЛЯ ТЕМНОЙ ТЕМЫ            */
/* ============================================= */
.dark-theme .page-title-section p { color: #a0a0a0; }
.dark-theme .calculator-wrapper { background-color: #2c2c2e; border-color: #444; }
.dark-theme .controls-panel { border-bottom-color: #444; }
.dark-theme .input-group label { color: #f2f2f7; }
.dark-theme .input-group input[type="number"] {
    background-color: #1c1c1e;
    border-color: #555;
    color: #fff;
}
.dark-theme .input-group input[type="number"]:focus {
    border-color: #58a6ff;
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.25);
}
.dark-theme .summary-item span { color: #a0a0a0; }
.dark-theme .summary-item strong { color: #f2f2f7; }
.dark-theme .summary-item.overpayment strong { color: #ff4d4d; }
.dark-theme .payment-schedule { border-top-color: #444; }
.dark-theme th { background-color: #3a3a3c; }
.dark-theme th, .dark-theme td { border-bottom-color: #444; }

/* ============================================= */
/*             АДАПТИВНОСТЬ (MOBILE)             */
/* ============================================= */
@media (max-width: 768px) {
    .results-overview {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .summary-item strong { font-size: 1.8rem; }
}


/* --- Стили для заголовка таблицы и кнопки скачивания --- */
.schedule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.schedule-header h2 {
    margin-bottom: 0;
    text-align: left;
}

.download-btn {
    padding: 8px 15px;
    border-radius: 8px;
    border: 1px solid #0d6efd;
    background-color: #fff;
    color: #0d6efd;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.2s, color 0.2s;
}

.download-btn:hover:not(:disabled) {
    background-color: #0d6efd;
    color: #fff;
}

.download-btn:disabled {
    border-color: #ced4da;
    color: #ced4da;
    background-color: #f8f9fa;
    cursor: not-allowed;
}

/* --- Темная тема для кнопки --- */
.dark-theme .download-btn {
    background-color: transparent;
    border-color: #58a6ff;
    color: #58a6ff;
}
.dark-theme .download-btn:hover:not(:disabled) {
    background-color: #58a6ff;
    color: #fff;
}
.dark-theme .download-btn:disabled {
    border-color: #444;
    color: #555;
    background-color: #2c2c2e;
}

/* Адаптивность для заголовка таблицы */
@media (max-width: 576px) {
    .schedule-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch; /* Растягиваем на всю ширину */
    }
    .schedule-header h2 {
        text-align: center;
    }
    .download-btn {
        justify-content: center;
    }
}