/* === ИЗОЛИРОВАННЫЕ СТИЛИ КАЛЬКУЛЯТОРА СИСТЕМ УРАВНЕНИЙ === */
.wp-sys-calc-wrapper, .wp-sys-calc-wrapper * { 
    box-sizing: border-box !important; 
    line-height: normal !important;
}
.wp-sys-calc-wrapper {
    width: 100% !important; display: flex !important; justify-content: center !important; margin: 20px 0 !important;
}
.wp-sys-calc-wrapper p { margin: 0 !important; padding: 0 !important; display: inline !important; line-height: normal !important; }
.wp-sys-calc-wrapper br { display: none !important; margin: 0 !important; padding: 0 !important; height: 0 !important; }

.wp-sys-calc-wrapper .calculator-card {
    width: 100% !important; max-width: 650px !important; background: #ffffff !important; padding: 25px; 
    border-radius: 12px !important; box-shadow: 0 4px 15px rgba(0,0,0,0.08) !important; border: 1px solid #e2e8f0 !important;
}
.wp-sys-calc-wrapper h2 { font-size: 20px !important; margin: 0 0 20px 0 !important; text-align: center !important; color: #333333 !important; }

/* Выбор метода решения */
.wp-sys-calc-wrapper .mode-select-box {
    margin-bottom: 20px !important; width: 100% !important;
}
.wp-sys-calc-wrapper .mode-select-box select {
    width: 100% !important; height: 44px !important; font-size: 15px !important; font-weight: bold !important;
    border: 1px solid #ccc !important; border-radius: 6px !important; background: #ffffff !important; padding: 0 10px !important; color: #007bff !important;
}

/* Блок системы: фигурная скобка слева */
.wp-sys-calc-wrapper .system-container {
    display: flex !important; align-items: center !important; justify-content: center !important; gap: 8px !important; margin-bottom: 20px !important;
}
.wp-sys-calc-wrapper .system-brace {
    font-size: 96px !important; font-family: monospace !important; font-weight: 100 !important; color: #333333 !important; line-height: 1 !important; user-select: none !important;
}
.wp-sys-calc-wrapper .system-rows-box {
    display: flex !important; flex-direction: column !important; gap: 10px !important;
}

/* Табличная сетка строк уравнений */
.wp-sys-calc-wrapper .calc-table-layout,
.wp-sys-calc-wrapper .calc-table-layout tr,
.wp-sys-calc-wrapper .calc-table-layout td {
    border: none !important; border-bottom: none !important; border-top: none !important; border-left: none !important; border-right: none !important; box-shadow: none !important;
}
.wp-sys-calc-wrapper .calc-table-layout { width: auto !important; border-collapse: collapse !important; }
.wp-sys-calc-wrapper .calc-table-layout td { padding: 0 3px !important; vertical-align: middle !important; background: none !important; height: 44px !important; font-size: 18px !important; font-weight: bold !important; color: #333333 !important; }

/* Инпуты коэффициентов */
.wp-sys-calc-wrapper input {
    width: 55px !important; height: 38px !important; font-size: 16px !important; text-align: center !important;
    border: 1px solid #ccc !important; border-radius: 4px !important; background: #ffffff !important; padding: 0 !important; color: #007bff !important; font-weight: bold !important;
}

/* Кнопка Решить */
.wp-sys-calc-wrapper .btn-zone { text-align: center !important; margin-top: 15px !important; }
.wp-sys-calc-wrapper button {
    background-color: #007bff !important; color: #ffffff !important; border: none !important; border-radius: 6px !important;
    font-size: 16px !important; font-weight: bold !important; height: 44px !important; padding: 0 30px !important; cursor: pointer !important;
}
.wp-sys-calc-wrapper button:hover { background-color: #0056b3 !important; }

/* Красивые дроби в результатах */
.wp-sys-calc-wrapper .fraction-view { display: inline-flex !important; align-items: center !important; font-size: 20px !important; font-family: 'Courier New', Courier, monospace !important; font-weight: bold !important; }
.wp-sys-calc-wrapper .fraction-box { display: inline-flex !important; flex-direction: column !important; align-items: center !important; padding: 0 4px !important; }
.wp-sys-calc-wrapper .num-part { padding-bottom: 2px !important; }
.wp-sys-calc-wrapper .den-part { border-top: 2px solid #111111 !important; padding-top: 2px !important; width: 100% !important; text-align: center !important; }

/* Блок пошаговых результатов */
.wp-sys-calc-wrapper .output-container { width: 100% !important; background-color: #fafafa !important; border: 1px solid #ccc !important; border-radius: 6px !important; padding: 15px !important; margin-top: 20px !important; overflow-x: auto !important; clear: both !important; }
.wp-sys-calc-wrapper .step-text-title { font-size: 16px !important; font-weight: bold !important; color: #555555 !important; margin-top: 15px !important; margin-bottom: 8px !important; }
.wp-sys-calc-wrapper .fraction-step-row { display: flex !important; align-items: center !important; gap: 8px !important; margin-bottom: 12px !important; flex-wrap: wrap !important; }
.wp-sys-calc-wrapper .math-text-line { font-family: 'Courier New', Courier, monospace !important; font-size: 20px !important; font-weight: bold !important; color: #111111 !important; margin-bottom: 8px !important; }
.wp-sys-calc-wrapper .rule-box { font-size: 15px !important; font-style: italic !important; color: #28a745 !important; margin-bottom: 12px !important; padding-left: 5px !important; line-height: 1.4 !important; border-left: 3px solid #28a745 !important; }

/* Рендеринг мини-систем в результатах */
.wp-sys-calc-wrapper .res-system-box { display: inline-flex !important; align-items: center !important; gap: 4px !important; margin: 8px 0 !important; vertical-align: middle !important; }
.wp-sys-calc-wrapper .res-system-brace { font-size: 54px !important; font-family: monospace !important; font-weight: 100 !important; color: #111111 !important; line-height: 1 !important; }
.wp-sys-calc-wrapper .res-system-rows { display: flex !important; flex-direction: column !important; gap: 2px !important; font-family: 'Courier New', Courier, monospace !important; font-size: 20px !important; font-weight: bold !important; text-align: left !important; }

@media (max-width: 480px) {
    .wp-sys-calc-wrapper .calculator-card { padding: 15px 4px !important; border-radius: 8px !important; }
    .wp-sys-calc-wrapper .calc-table-layout td { padding: 0 1px !important; font-size: 15px !important; }
    .wp-sys-calc-wrapper input { width: 42px !important; height: 36px !important; font-size: 15px !important; }
    .wp-sys-calc-wrapper .system-brace { font-size: 80px !important; }
}