* { box-sizing: border-box; font-family: 'Inter', sans-serif; }
body { background-color: #ffffff; color: #1a1a1a; margin: 0; display: flex; }

:root {
    --primary-blue: #0052ff;
    --bg-gray: #f9f9f9;
    --border-color: #eaeaea;
}

.sidebar {
    width: 250px;
    height: 100vh;
    border-right: 1px solid var(--border-color);
    padding: 20px;
    position: fixed;
}

.main-content {
    margin-left: 250px;
    padding: 40px;
    width: calc(100% - 250px);
    background-color: var(--bg-gray);
    min-height: 100vh;
    animation: fadeInPage 0.4s ease-out;
}

@keyframes fadeInPage {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 24px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.btn-blue {
    background: var(--primary-blue);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: opacity 0.2s ease, filter 0.2s ease;
}

.btn-blue:hover {
    filter: brightness(1.1);
}

.btn-blue:active {
    transform: scale(0.98);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th {
    text-align: left;
    padding: 12px;
    color: #717171;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 16px 12px;
    border-bottom: 1px solid var(--border-color);
}

.status-banned {
    background: #fee2e2;
    color: #dc2626;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.sidebar-menu { list-style: none; padding: 0; }
.sidebar-menu li { margin-bottom: 15px; }
.sidebar-menu a { 
    text-decoration: none; 
    color: #4a4a4a; 
    display: flex; 
    align-items: center;
    gap: 10px;
    font-weight: 500;
}
.sidebar-menu a:hover { color: var(--primary-blue); }

.sidebar h2 { font-size: 1.2rem; color: var(--primary-blue); margin-bottom: 30px; }

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: #fff;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 20px;
    cursor: pointer;
    font-size: 24px;
    color: #666;
}

input, select { 
    width: 100%; 
    padding: 10px; 
    margin: 10px 0 20px 0; 
    border: 1px solid var(--border-color); 
    border-radius: 6px; 
}