body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
}

/* Login Page Styles */
.login-container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96c93d);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.1) 10px,
        transparent 10px,
        transparent 20px
    );
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.2);
    position: relative;
    z-index: 1;
}

.login-box input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.login-box button {
    width: 100%;
    padding: 10px;
    background: #ff6b6b;
    border: none;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

.login-box button:hover {
    background: #e55a5a;
}

/* Dashboard Styles */
.dashboard {
    display: none;
    min-height: 100vh;
    background: #f0f2f5;
    position: relative;
}

.dashboard-title {
    text-align: center;
    padding: 20px;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin: 0;
}

.logout {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 10px 20px;
    background: #ff4444;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

.logout:hover {
    background: #e03b3b;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    padding: 20px;
}

.option-btn {
    width: 150px;
    height: 150px;
    background: #6e8efb;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: transform 0.2s;
}

.option-btn:hover {
    background: #5a78e0;
    transform: scale(1.05);
}

.content {
    padding: 20px;
}

.form-container {
    display: none;
    background: white;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}

.form-container input, .form-container select {
    width: 100%;
    padding: 8px;
    margin: 5px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box;
}

.form-container button {
    padding: 10px 20px;
    background: #6e8efb;
    border: none;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
}

.form-container button:hover {
    background: #5a78e0;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    margin: 20px 0;
    line-height: 2;
}

.table th, .table td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: center;
}

.popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.2);
    display: none;
}