:root {
    --primary-color: #3498db;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --bg-color: #f4f7f6;
    --card-bg: #ffffff;
    --text-color: #2c3e50;
    --border-color: #dcdde1;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    margin: 0;
    color: var(--primary-color);
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.card h2 {
    margin-top: 0;
    border-bottom: 2px solid var(--bg-color);
    padding-bottom: 10px;
}

.form-group {
    margin-bottom: 15px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input[type="text"],
input[type="password"],
input[type="time"],
input[type="number"],
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
}

textarea {
    height: 80px;
    resize: vertical;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: opacity 0.3s;
}

.btn:hover {
    opacity: 0.8;
}

.btn-primary { background-color: var(--primary-color); color: white; }
.btn-danger { background-color: var(--danger-color); color: white; }
.btn-warning { background-color: var(--warning-color); color: white; }
.btn-success { background-color: var(--success-color); color: white; }
.btn-secondary { background-color: #6c757d; color: white; }
.btn-save { background-color: var(--success-color); color: white; width: 100%; }

.badge {
    padding: 5px 10px;
    border-radius: 20px;
    color: white;
    font-size: 0.8em;
}

.badge-success { background-color: var(--success-color); }
.badge-danger { background-color: var(--danger-color); }

.logs-container {
    max-height: 400px;
    overflow-y: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--bg-color);
    position: sticky;
    top: 0;
}

.log-error td { color: var(--danger-color); }
.log-info td { color: var(--text-color); }
.log-cron td { color: var(--primary-color); font-weight: bold; }
.log-system td { color: var(--warning-color); }

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.actions {
    margin-top: 15px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tab-header {
    display: flex;
    gap: 0;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: var(--bg-color);
    cursor: pointer;
    font-weight: bold;
    color: var(--text-color);
    transition: background 0.2s;
    border-bottom: 3px solid transparent;
}

.tab-btn.active {
    background: var(--card-bg);
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.btn-sm {
    padding: 5px 12px;
    font-size: 0.85em;
}

.progress-cell {
    display: flex;
    align-items: center;
    gap: 6px;
}

.plans-table td {
    vertical-align: middle;
}

small {
    color: #888;
    font-size: 0.85em;
}

@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
}