/* =============================================
   TestsSystem — базовые стили
   Строгий официальный стиль: синий / серый / белый
   ============================================= */

/* --- Переменные --- */
:root {
    --ts-primary: #0d47a1;
    --ts-primary-hover: #0a3a82;
    --ts-secondary: #546e7a;
    --ts-bg: #f5f7fa;
    --ts-text: #212121;
    --ts-text-muted: #6c757d;
    --ts-success: #2e7d32;
    --ts-danger: #c62828;
    --ts-warning: #f57c00;
    --ts-border: #e0e4e8;
    --ts-white: #ffffff;
}

/* --- Общее --- */
html {
    font-size: 16px;
    position: relative;
    min-height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--ts-bg);
    color: var(--ts-text);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main.site-main {
    flex: 1 0 auto;
}

footer.site-footer {
    flex-shrink: 0;
    background-color: var(--ts-white);
    border-top: 1px solid var(--ts-border);
}

/* --- Bootstrap-переопределения --- */
.bg-primary-custom {
    background-color: var(--ts-primary) !important;
}

.text-primary-custom {
    color: var(--ts-primary) !important;
}

.btn-primary {
    background-color: var(--ts-primary);
    border-color: var(--ts-primary);
}

    .btn-primary:hover,
    .btn-primary:focus {
        background-color: var(--ts-primary-hover);
        border-color: var(--ts-primary-hover);
    }

    .btn-primary:disabled {
        background-color: var(--ts-secondary);
        border-color: var(--ts-secondary);
    }

/* --- Карточки --- */
.card {
    border: 1px solid var(--ts-border);
    border-radius: 0.5rem;
}

.card-header {
    background-color: var(--ts-white);
    border-bottom: 1px solid var(--ts-border);
    font-weight: 600;
}

/* --- Формы --- */
.form-label {
    font-weight: 500;
    color: var(--ts-text);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--ts-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 71, 161, 0.15);
}

/* --- Таблицы --- */
.table thead th {
    background-color: var(--ts-bg);
    border-bottom: 2px solid var(--ts-border);
    font-weight: 600;
    color: var(--ts-text);
}

/* --- Шапка --- */
.site-header .navbar {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.modal-step {
    display: none;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

    .modal-step.active {
        display: flex;
    }

    .modal-step > .modal-header {
        flex-shrink: 0;
    }

    .modal-step > .modal-body {
        flex: 1 1 auto;
        overflow-y: auto;
    }

    .modal-step > .modal-footer {
        flex-shrink: 0;
    }

/* --- Адаптив --- */
@media (max-width: 576px) {
    html {
        font-size: 15px;
    }

    .card-body {
        padding: 1.5rem !important;
    }

    h1 {
        font-size: 1.75rem;
    }
}

/* --- Утилиты --- */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --- Печать (заготовка, детально — позже) --- */
@media print {
    .site-header,
    .site-footer,
    .btn,
    .navbar {
        display: none !important;
    }

    body {
        background-color: #fff;
    }
    .no-print,
    .site-header,
    .site-footer {
        display: none !important;
    }

    .ai-report-content {
        font-size: 11pt;
    }

        .ai-report-content h1 {
            font-size: 18pt;
        }

        .ai-report-content h2 {
            font-size: 16pt;
        }

        .ai-report-content h3 {
            font-size: 14pt;
        }
}

/* ============================================
   Исправление asp:CheckBox в Bootstrap 5
   
   ASP.NET рендерит asp:CheckBox как:
   <span class="form-check-input"><input type="checkbox" /></span>
   
   Bootstrap применяет стили к span, а input остаётся системным.
   Решение: span → display: contents, стили на input.
   ============================================ */

span.form-check-input {
    display: contents;
}

    span.form-check-input > input[type="checkbox"],
    span.form-check-input > input[type="radio"] {
        display: inline-block;
        width: 1em;
        height: 1em;
        margin-top: 0.25em;
        vertical-align: top;
        background-color: #fff;
        background-repeat: no-repeat;
        background-position: center;
        background-size: contain;
        border: 1px solid rgba(0, 0, 0, 0.25);
        appearance: none;
        -webkit-appearance: none;
        print-color-adjust: exact;
        cursor: pointer;
        flex-shrink: 0;
    }

    span.form-check-input > input[type="checkbox"] {
        border-radius: 0.25em;
    }

    span.form-check-input > input[type="radio"] {
        border-radius: 50%;
    }

    span.form-check-input > input[type="checkbox"]:checked {
        background-color: #0d47a1;
        border-color: #0d47a1;
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10l3 3l6-6'/%3e%3c/svg%3e");
    }

    span.form-check-input > input[type="radio"]:checked {
        background-color: #0d47a1;
        border-color: #0d47a1;
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e");
    }

    span.form-check-input > input[type="checkbox"]:focus,
    span.form-check-input > input[type="radio"]:focus {
        border-color: #0d47a1;
        outline: 0;
        box-shadow: 0 0 0 0.25rem rgba(13, 71, 161, 0.25);
    }

    span.form-check-input > input[type="checkbox"]:disabled,
    span.form-check-input > input[type="radio"]:disabled {
        pointer-events: none;
        filter: none;
        opacity: 0.5;
    }

/* Form-switch (переключатели) */
.form-switch span.form-check-input > input[type="checkbox"] {
    width: 2em;
    border-radius: 2em;
    background-position: left center;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='rgba(0,0,0,.25)'/%3e%3c/svg%3e");
}

    .form-switch span.form-check-input > input[type="checkbox"]:checked {
        background-position: right center;
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e");
    }