:root {
    --accent-color: #00a5a5;
    --accent-hover: #008f8f;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --radius: 12px;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    color: var(--text-primary);
}

/* --- ВЕРХНЕЕ МЕНЮ --- */
.top-bar {
    background-color: #fff;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 60px;
    box-shadow: var(--shadow-sm);
    z-index: 10;
}

.brand-mini {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    color: var(--text-primary);
}

.user-box {
    display: flex; align-items: center; gap: 8px;
    font-size: 14px; font-weight: 500; color: var(--text-secondary);
}

.user-avatar {
    width: 32px; height: 32px; background: #edf2f7;
    border-radius: 50%; display: flex; align-items: center;
    justify-content: center; font-size: 16px;
}

/* --- ГЛАВНЫЙ КОНТЕЙНЕР --- */
.main-container {
    flex: 1;
    display: flex;
    justify-content: center;
    padding: 40px 20px;
}

.card-box {
    background-color: var(--card-bg);
    width: 100%;
    max-width: 900px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.tool-header {
    padding: 30px 40px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.tool-title h1 { margin: 0; font-size: 24px; color: var(--text-primary); }
.tool-title p { margin: 5px 0 0; color: var(--text-secondary); font-size: 14px; }

.card-body {
    padding: 30px 40px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: end;
}

.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label { font-size: 13px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }

.input-modern {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    width: 100%;
    box-sizing: border-box;
    transition: all 0.2s;
}
.input-modern:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 165, 165, 0.1);
}

/* --- DRAG & DROP И ЭФФЕКТЫ --- */
.drag-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}

.drag-overlay.active {
    opacity: 1;
    visibility: visible;
}

.upload-zone {
    grid-column: span 2;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    cursor: pointer;
    background: #fdfdfd;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    z-index: 1;
}

.upload-zone:hover { border-color: var(--accent-color); background: #f0fdfd; }

.upload-zone.highlight-active {
    z-index: 1001;
    border-color: var(--accent-color);
    background-color: #ffffff;
    box-shadow: 0 0 0 6px rgba(0, 165, 165, 0.2), 0 15px 35px rgba(0, 0, 0, 0.2);
    transform: scale(1.03);
}

.upload-icon { font-size: 32px; margin-bottom: 10px; display: block; }
.upload-text { font-size: 14px; color: var(--text-secondary); }
.upload-text strong { color: var(--accent-color); }

.options-row {
    grid-column: span 2;
    display: flex;
    align-items: center;
    gap: 20px;
    padding-top: 10px;
}

.radio-group { display: flex; gap: 15px; background: #f1f5f9; padding: 4px; border-radius: 6px; }
.radio-label {
    padding: 6px 16px; font-size: 13px; cursor: pointer; border-radius: 4px; color: var(--text-secondary); font-weight: 500;
}
.radio-input { display: none; }
.radio-input:checked + .radio-label {
    background: #fff; color: var(--accent-color); box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.checkbox-wrap {
    display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; color: var(--text-primary);
}
.checkbox-wrap input { accent-color: var(--accent-color); width: 16px; height: 16px; }

/* --- ТАБЛИЦА --- */
.table-wrapper {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-top: 10px;
}
.table-header {
    background: #f8f9fa; padding: 10px 15px; border-bottom: 1px solid var(--border-color);
    font-size: 12px; font-weight: 700; color: var(--text-secondary); text-transform: uppercase;
}
/* --- ТАБЛИЦА --- */
.table-scroll {
    height: 250px;
    overflow-y: auto;
    overflow-x: auto; /* Включаем горизонтальный свайп/скролл */
}

/* Красивый тонкий скроллбар для таблицы */
.table-scroll::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
.table-scroll::-webkit-scrollbar-thumb {
    background-color: #cbd5e0;
    border-radius: 4px;
}
.table-scroll::-webkit-scrollbar-track {
    background: transparent;
}

table {
    width: 100%;
    min-width: 650px; /* Если экран/контейнер уже 650px, появится скролл */
    border-collapse: collapse;
    font-size: 13px;
}
th { text-align: left; padding: 12px 15px; color: var(--text-secondary); font-weight: 600; background: #fff; position: sticky; top: 0; border-bottom: 1px solid var(--border-color); }
td { padding: 10px 15px; border-bottom: 1px solid #f1f1f1; color: var(--text-primary); }
tr:last-child td { border-bottom: none; }

.actions-footer {
    padding: 20px 40px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fbfbfb;
    border-top: 1px solid var(--border-color);
}

.status-indicator { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-secondary); }
.dot { width: 8px; height: 8px; background: #ccc; border-radius: 50%; }
.dot.active { background: var(--accent-color); box-shadow: 0 0 0 2px rgba(0,165,165,0.2); }

.btn {
    border: none; border-radius: 6px; cursor: pointer;
    font-family: var(--font-main); font-size: 14px; font-weight: 600;
    padding: 10px 24px; transition: all 0.2s;
}
.btn-primary {
    background-color: var(--accent-color); color: white;
    box-shadow: 0 2px 4px rgba(0, 165, 165, 0.3);
}
.btn-primary:hover { background-color: var(--accent-hover); transform: translateY(-1px); }
.btn-primary:disabled { background-color: #cbd5e0; cursor: not-allowed; box-shadow: none; transform: none; }

.page-footer { text-align: center; padding: 20px; font-size: 12px; color: #a0aec0; margin-top: auto; }

/* --- АДАПТИВНОСТЬ (Mobile & Tablet) --- */
@media (max-width: 768px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }

    .upload-zone,
    .options-row,
    .form-group[style*="grid-column: span 2"] {
        grid-column: span 1 !important;
    }

    .tool-header,
    .card-body,
    .actions-footer {
        padding: 20px;
    }

    .options-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .options-row > div[style*="width: 1px"] {
        display: none;
    }

    .table-scroll {
        overflow-x: auto;
    }

    .top-bar {
        padding: 0 15px;
    }
}